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[rt] Update to 4.19.148-rt64

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remotes/origin/buster
Salvatore Bonaccorso 2 years ago
parent 75f7d8b1c7
commit 8229f60bca
336 changed files with 1745 additions and 1742 deletions
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3
debian/changelog vendored
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@ -316,6 +316,9 @@ linux (4.19.150-1) UNRELEASED; urgency=medium
- netfilter: ctnetlink: add a range check for l3/l4 protonum
(CVE-2020-25211)
[ Salvatore Bonaccorso ]
* [rt] Update to 4.19.148-rt64
-- Salvatore Bonaccorso <carnil@debian.org> Sat, 26 Sep 2020 11:17:48 +0200
linux (4.19.146-1) buster; urgency=medium

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debian/patches-rt/0001-ARM-at91-add-TCB-registers-definitions.patch vendored
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From 56457dc415803c8abc5acb513ada877a79596f05 Mon Sep 17 00:00:00 2001
Message-Id: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 5b5a156f9808b1acf1205606e03da117214549ea Mon Sep 17 00:00:00 2001
Message-Id: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:18 +0200
Subject: [PATCH 001/333] ARM: at91: add TCB registers definitions
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Add registers and bits definitions for the timer counter blocks found on
Atmel ARM SoCs.

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debian/patches-rt/0002-clocksource-drivers-Add-a-new-driver-for-the-Atmel-A.patch vendored
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From 1386a9166d814e8e5e8668ada3c3e00f997349aa Mon Sep 17 00:00:00 2001
Message-Id: <1386a9166d814e8e5e8668ada3c3e00f997349aa.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 9601c73e796836f0e4995b3a8878c070fa14a426 Mon Sep 17 00:00:00 2001
Message-Id: <9601c73e796836f0e4995b3a8878c070fa14a426.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:19 +0200
Subject: [PATCH 002/333] clocksource/drivers: Add a new driver for the Atmel
ARM TC blocks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Add a driver for the Atmel Timer Counter Blocks. This driver provides a
clocksource and two clockevent devices.

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debian/patches-rt/0003-clocksource-drivers-timer-atmel-tcb-add-clockevent-d.patch vendored
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@ -1,12 +1,12 @@
From f10cd782df082b35e5630ad1d91c9b396bdb40f6 Mon Sep 17 00:00:00 2001
Message-Id: <f10cd782df082b35e5630ad1d91c9b396bdb40f6.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 42b40e1d3e5f024a54a52ca2d75f870856eb2883 Mon Sep 17 00:00:00 2001
Message-Id: <42b40e1d3e5f024a54a52ca2d75f870856eb2883.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:20 +0200
Subject: [PATCH 003/333] clocksource/drivers: timer-atmel-tcb: add clockevent
device on separate channel
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Add an other clockevent device that uses a separate TCB channel when
available.

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debian/patches-rt/0004-clocksource-drivers-atmel-pit-make-option-silent.patch vendored
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From 44798f501242577d14cb71a200a07359b48aaf04 Mon Sep 17 00:00:00 2001
Message-Id: <44798f501242577d14cb71a200a07359b48aaf04.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 1cb03d0be840a377a276fcb93af00ca14e368ea3 Mon Sep 17 00:00:00 2001
Message-Id: <1cb03d0be840a377a276fcb93af00ca14e368ea3.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:21 +0200
Subject: [PATCH 004/333] clocksource/drivers: atmel-pit: make option silent
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
To conform with the other option, make the ATMEL_PIT option silent so it
can be selected from the platform

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debian/patches-rt/0005-ARM-at91-Implement-clocksource-selection.patch vendored
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@ -1,11 +1,11 @@
From a281b6474c54382a42744ca86d1566ea5482950f Mon Sep 17 00:00:00 2001
Message-Id: <a281b6474c54382a42744ca86d1566ea5482950f.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From f2388033261d286dab250792486ac6d35ef4debd Mon Sep 17 00:00:00 2001
Message-Id: <f2388033261d286dab250792486ac6d35ef4debd.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:22 +0200
Subject: [PATCH 005/333] ARM: at91: Implement clocksource selection
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Allow selecting and unselecting the PIT clocksource driver so it doesn't
have to be compile when unused.

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debian/patches-rt/0006-ARM-configs-at91-use-new-TCB-timer-driver.patch vendored
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@ -1,11 +1,11 @@
From 1e235cc037da3ebb2c2e7c03a5b03b6dd927bed2 Mon Sep 17 00:00:00 2001
Message-Id: <1e235cc037da3ebb2c2e7c03a5b03b6dd927bed2.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From cd51dd875a7890a01521872cff7c77fedc388d5d Mon Sep 17 00:00:00 2001
Message-Id: <cd51dd875a7890a01521872cff7c77fedc388d5d.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:23 +0200
Subject: [PATCH 006/333] ARM: configs: at91: use new TCB timer driver
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Unselecting ATMEL_TCLIB switches the TCB timer driver from tcb_clksrc to
timer-atmel-tcb.

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debian/patches-rt/0007-ARM-configs-at91-unselect-PIT.patch vendored
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@ -1,11 +1,11 @@
From 751b975c1bf921792e1e9343571b04505615f7f7 Mon Sep 17 00:00:00 2001
Message-Id: <751b975c1bf921792e1e9343571b04505615f7f7.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From a7cf71c310899fcf7ccb497523c3dbabe0d33e29 Mon Sep 17 00:00:00 2001
Message-Id: <a7cf71c310899fcf7ccb497523c3dbabe0d33e29.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:24 +0200
Subject: [PATCH 007/333] ARM: configs: at91: unselect PIT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The PIT is not required anymore to successfully boot and may actually harm
in case preempt-rt is used because the PIT interrupt is shared.

10
debian/patches-rt/0008-irqchip-gic-v3-its-Move-pending-table-allocation-to-.patch vendored
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@ -1,12 +1,12 @@
From 92eb32113e64d756f7ea3b1e1c0c9c419e68ec6c Mon Sep 17 00:00:00 2001
Message-Id: <92eb32113e64d756f7ea3b1e1c0c9c419e68ec6c.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 893750b4d975db6ff5027e83b0b074d80e7e4b21 Mon Sep 17 00:00:00 2001
Message-Id: <893750b4d975db6ff5027e83b0b074d80e7e4b21.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Marc Zyngier <marc.zyngier@arm.com>
Date: Fri, 27 Jul 2018 13:38:54 +0100
Subject: [PATCH 008/333] irqchip/gic-v3-its: Move pending table allocation to
init time
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

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debian/patches-rt/0009-kthread-convert-worker-lock-to-raw-spinlock.patch vendored
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@ -1,11 +1,11 @@
From f2e676094d02b759c2b71d4e059e7dbf254ef3c4 Mon Sep 17 00:00:00 2001
Message-Id: <f2e676094d02b759c2b71d4e059e7dbf254ef3c4.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 7acaf06745854341663cd864cfb9937b6dfa9191 Mon Sep 17 00:00:00 2001
Message-Id: <7acaf06745854341663cd864cfb9937b6dfa9191.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Julia Cartwright <julia@ni.com>
Date: Fri, 28 Sep 2018 21:03:51 +0000
Subject: [PATCH 009/333] kthread: convert worker lock to raw spinlock
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
In order to enable the queuing of kthread work items from hardirq
context even when PREEMPT_RT_FULL is enabled, convert the worker

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debian/patches-rt/0010-crypto-caam-qi-simplify-CGR-allocation-freeing.patch vendored
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@ -1,14 +1,14 @@
From 84cdd070b9fb0b9c7f4bb65488f762fa2dafda23 Mon Sep 17 00:00:00 2001
Message-Id: <84cdd070b9fb0b9c7f4bb65488f762fa2dafda23.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From d3f7d145813c4f6653077757406b14c29e4602b4 Mon Sep 17 00:00:00 2001
Message-Id: <d3f7d145813c4f6653077757406b14c29e4602b4.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
Date: Mon, 8 Oct 2018 14:09:37 +0300
Subject: [PATCH 010/333] crypto: caam/qi - simplify CGR allocation, freeing
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
[Upstream commit 29e83c757006fd751966bdc53392bb22d74179c6]

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debian/patches-rt/0011-sched-fair-Robustify-CFS-bandwidth-timer-locking.patch vendored
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@ -1,11 +1,11 @@
From bcaca4b50d79502c7c866224a456cbeaf0a12985 Mon Sep 17 00:00:00 2001
Message-Id: <bcaca4b50d79502c7c866224a456cbeaf0a12985.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 02ad2dc7b3e7455fff589d535860a01158187c44 Mon Sep 17 00:00:00 2001
Message-Id: <02ad2dc7b3e7455fff589d535860a01158187c44.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 7 Jan 2019 13:52:31 +0100
Subject: [PATCH 011/333] sched/fair: Robustify CFS-bandwidth timer locking
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Traditionally hrtimer callbacks were run with IRQs disabled, but with
the introduction of HRTIMER_MODE_SOFT it is possible they run from

10
debian/patches-rt/0012-arm-Convert-arm-boot_lock-to-raw.patch vendored
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From 442c231ef3f6c252ecc0852dba6371ce1af38943 Mon Sep 17 00:00:00 2001
Message-Id: <442c231ef3f6c252ecc0852dba6371ce1af38943.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 1eb5155fc4010bc58095552970d78a0431a1ab6e Mon Sep 17 00:00:00 2001
Message-Id: <1eb5155fc4010bc58095552970d78a0431a1ab6e.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Frank Rowand <frank.rowand@am.sony.com>
Date: Mon, 19 Sep 2011 14:51:14 -0700
Subject: [PATCH 012/333] arm: Convert arm boot_lock to raw
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The arm boot_lock is used by the secondary processor startup code. The locking
task is the idle thread, which has idle->sched_class == &idle_sched_class.

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debian/patches-rt/0013-x86-ioapic-Don-t-let-setaffinity-unmask-threaded-EOI.patch vendored
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@ -1,12 +1,12 @@
From 8c88968fef0adbe6298376208fdf9ac5ad03a2f9 Mon Sep 17 00:00:00 2001
Message-Id: <8c88968fef0adbe6298376208fdf9ac5ad03a2f9.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 7b86b7671128097bf9b6263e1adf0da06473a421 Mon Sep 17 00:00:00 2001
Message-Id: <7b86b7671128097bf9b6263e1adf0da06473a421.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 17 Jul 2018 18:25:31 +0200
Subject: [PATCH 013/333] x86/ioapic: Don't let setaffinity unmask threaded EOI
interrupt too early
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
There is an issue with threaded interrupts which are marked ONESHOT
and using the fasteoi handler.

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debian/patches-rt/0014-cgroup-use-irqsave-in-cgroup_rstat_flush_locked.patch vendored
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From 3f210fbaeb5391ebe07fc41c9033f363059c724e Mon Sep 17 00:00:00 2001
Message-Id: <3f210fbaeb5391ebe07fc41c9033f363059c724e.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 113b6618daafc3b405c7a605deaca3ece1dde64a Mon Sep 17 00:00:00 2001
Message-Id: <113b6618daafc3b405c7a605deaca3ece1dde64a.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 3 Jul 2018 18:19:48 +0200
Subject: [PATCH 014/333] cgroup: use irqsave in cgroup_rstat_flush_locked()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
All callers of cgroup_rstat_flush_locked() acquire cgroup_rstat_lock
either with spin_lock_irq() or spin_lock_irqsave().

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debian/patches-rt/0015-fscache-initialize-cookie-hash-table-raw-spinlocks.patch vendored
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@ -1,11 +1,11 @@
From 8cc9dad85fa770aa977dd40a32d1c3035f382464 Mon Sep 17 00:00:00 2001
Message-Id: <8cc9dad85fa770aa977dd40a32d1c3035f382464.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 907edfcfd11e6d0abd649bec0ae245bf4b1360b7 Mon Sep 17 00:00:00 2001
Message-Id: <907edfcfd11e6d0abd649bec0ae245bf4b1360b7.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Clark Williams <williams@redhat.com>
Date: Tue, 3 Jul 2018 13:34:30 -0500
Subject: [PATCH 015/333] fscache: initialize cookie hash table raw spinlocks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The fscache cookie mechanism uses a hash table of hlist_bl_head structures. The
PREEMPT_RT patcheset adds a raw spinlock to this structure and so on PREEMPT_RT

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debian/patches-rt/0016-Drivers-hv-vmbus-include-header-for-get_irq_regs.patch vendored
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@ -1,14 +1,14 @@
From a9d3e70754106d9ac97545cdee07fc314d8d1bdb Mon Sep 17 00:00:00 2001
Message-Id: <a9d3e70754106d9ac97545cdee07fc314d8d1bdb.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 4eceb5976ca54ea43b1923f2963aaf5403241d03 Mon Sep 17 00:00:00 2001
Message-Id: <4eceb5976ca54ea43b1923f2963aaf5403241d03.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 29 Aug 2018 21:59:04 +0200
Subject: [PATCH 016/333] Drivers: hv: vmbus: include header for get_irq_regs()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
On !RT the header file get_irq_regs() gets pulled in via other header files. On
RT it does not and the build fails:

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debian/patches-rt/0017-percpu-include-irqflags.h-for-raw_local_irq_save.patch vendored
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@ -1,11 +1,11 @@
From 07c81c26e9fcf6e4e726398981a575b84e11d114 Mon Sep 17 00:00:00 2001
Message-Id: <07c81c26e9fcf6e4e726398981a575b84e11d114.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 7d5f7a3f81e5f57fa225a75a6c74dbc75bff84c7 Mon Sep 17 00:00:00 2001
Message-Id: <7d5f7a3f81e5f57fa225a75a6c74dbc75bff84c7.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 11 Oct 2018 16:39:59 +0200
Subject: [PATCH 017/333] percpu: include irqflags.h for raw_local_irq_save()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The header percpu.h header file is using raw_local_irq_save() but does
not include irqflags.h for its definition. It compiles because the

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debian/patches-rt/0018-efi-Allow-efi-runtime.patch vendored
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@ -1,11 +1,11 @@
From 8eb70a9382b675bcaa2018d7f3a4258a8df2a5cc Mon Sep 17 00:00:00 2001
Message-Id: <8eb70a9382b675bcaa2018d7f3a4258a8df2a5cc.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 80801fff1262ef4fa587e9feb60b309244245d06 Mon Sep 17 00:00:00 2001
Message-Id: <80801fff1262ef4fa587e9feb60b309244245d06.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 15:06:10 +0200
Subject: [PATCH 018/333] efi: Allow efi=runtime
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
In case the option "efi=noruntime" is default at built-time, the user
could overwrite its sate by `efi=runtime' and allow it again.

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debian/patches-rt/0019-x86-efi-drop-task_lock-from-efi_switch_mm.patch vendored
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@ -1,11 +1,11 @@
From f2bcb7af52876669f929624f5d9971cf942cf3fc Mon Sep 17 00:00:00 2001
Message-Id: <f2bcb7af52876669f929624f5d9971cf942cf3fc.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 37508b63607f0b631e77f9a60516ff1c6ac2c5a7 Mon Sep 17 00:00:00 2001
Message-Id: <37508b63607f0b631e77f9a60516ff1c6ac2c5a7.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 24 Jul 2018 14:48:55 +0200
Subject: [PATCH 019/333] x86/efi: drop task_lock() from efi_switch_mm()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
efi_switch_mm() is a wrapper around switch_mm() which saves current's
->active_mm, sets the requests mm as ->active_mm and invokes

10
debian/patches-rt/0020-arm64-KVM-compute_layout-before-altenates-are-applie.patch vendored
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@ -1,12 +1,12 @@
From ce3aeb76f778a401f356a534e77d0964a5f3b2cb Mon Sep 17 00:00:00 2001
Message-Id: <ce3aeb76f778a401f356a534e77d0964a5f3b2cb.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 5be04164d1f7df6a214d2c3d2b5b7e07c7f259fb Mon Sep 17 00:00:00 2001
Message-Id: <5be04164d1f7df6a214d2c3d2b5b7e07c7f259fb.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 09:13:42 +0200
Subject: [PATCH 020/333] arm64: KVM: compute_layout before altenates are
applied
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
compute_layout() is invoked as part of an alternative fixup under
stop_machine() and needs a sleeping lock as part of get_random_long().

10
debian/patches-rt/0021-of-allocate-free-phandle-cache-outside-of-the-devtre.patch vendored
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@ -1,12 +1,12 @@
From 9d829d94da0a654cb00678e64c3ef938ad6163ec Mon Sep 17 00:00:00 2001
Message-Id: <9d829d94da0a654cb00678e64c3ef938ad6163ec.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From f2cacc38f730e9018d79d3c821b9a8af300a7ac2 Mon Sep 17 00:00:00 2001
Message-Id: <f2cacc38f730e9018d79d3c821b9a8af300a7ac2.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 31 Aug 2018 14:16:30 +0200
Subject: [PATCH 021/333] of: allocate / free phandle cache outside of the
devtree_lock
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The phandle cache code allocates memory while holding devtree_lock which
is a raw_spinlock_t. Memory allocation (and free()) is not possible on

10
debian/patches-rt/0022-mm-kasan-make-quarantine_lock-a-raw_spinlock_t.patch vendored
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@ -1,11 +1,11 @@
From 596e4af88ce09c8ce25db296e97b85e6efc9c4d5 Mon Sep 17 00:00:00 2001
Message-Id: <596e4af88ce09c8ce25db296e97b85e6efc9c4d5.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 68d33342fc14ecd6e87ecbd0aea1573c0a3d88ce Mon Sep 17 00:00:00 2001
Message-Id: <68d33342fc14ecd6e87ecbd0aea1573c0a3d88ce.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Clark Williams <williams@redhat.com>
Date: Tue, 18 Sep 2018 10:29:31 -0500
Subject: [PATCH 022/333] mm/kasan: make quarantine_lock a raw_spinlock_t
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The static lock quarantine_lock is used in quarantine.c to protect the
quarantine queue datastructures. It is taken inside quarantine queue

10
debian/patches-rt/0023-EXP-rcu-Revert-expedited-GP-parallelization-cleverne.patch vendored
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@ -1,12 +1,12 @@
From af4a2e46155433d2bedb18552ce8ed7ff6e36c02 Mon Sep 17 00:00:00 2001
Message-Id: <af4a2e46155433d2bedb18552ce8ed7ff6e36c02.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 826426c0daabf1e601bbe81b30be496da4248e89 Mon Sep 17 00:00:00 2001
Message-Id: <826426c0daabf1e601bbe81b30be496da4248e89.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: "Paul E. McKenney" <paulmck@linux.ibm.com>
Date: Mon, 29 Oct 2018 11:53:01 +0100
Subject: [PATCH 023/333] EXP rcu: Revert expedited GP parallelization
cleverness
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
(Commit 258ba8e089db23f760139266c232f01bad73f85c from linux-rcu)

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debian/patches-rt/0024-kmemleak-Turn-kmemleak_lock-to-raw-spinlock-on-RT.patch vendored
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@ -1,14 +1,14 @@
From a29374fce5fdeb9b1694be13e5a287657b71683c Mon Sep 17 00:00:00 2001
Message-Id: <a29374fce5fdeb9b1694be13e5a287657b71683c.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 0581998243c3cbcc9e83a2d234e9384a3732063b Mon Sep 17 00:00:00 2001
Message-Id: <0581998243c3cbcc9e83a2d234e9384a3732063b.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: He Zhe <zhe.he@windriver.com>
Date: Wed, 19 Dec 2018 16:30:57 +0100
Subject: [PATCH 024/333] kmemleak: Turn kmemleak_lock to raw spinlock on RT
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
kmemleak_lock, as a rwlock on RT, can possibly be held in atomic context and
causes the follow BUG.

12
debian/patches-rt/0025-NFSv4-replace-seqcount_t-with-a-seqlock_t.patch vendored
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@ -1,11 +1,11 @@
From 8489411ca761c3decfbe15f177d17ffe92bd0679 Mon Sep 17 00:00:00 2001
Message-Id: <8489411ca761c3decfbe15f177d17ffe92bd0679.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 0c73de7e09baee2b357c00545e1cd953b2894b8b Mon Sep 17 00:00:00 2001
Message-Id: <0c73de7e09baee2b357c00545e1cd953b2894b8b.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 28 Oct 2016 23:05:11 +0200
Subject: [PATCH 025/333] NFSv4: replace seqcount_t with a seqlock_t
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The raw_write_seqcount_begin() in nfs4_reclaim_open_state() bugs me
because it maps to preempt_disable() in -RT which I can't have at this
@ -61,7 +61,7 @@ index 5b61520dce88..2771aafaca19 100644
};
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 1ef75b1deffa..44438814b662 100644
index b2a2ff3f22a4..9af972fd1260 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2870,7 +2870,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,

10
debian/patches-rt/0026-kernel-sched-Provide-a-pointer-to-the-valid-CPU-mask.patch vendored
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@ -1,7 +1,7 @@
From e0d5cb4f381bc31eea602eda721126a0a09c2e2f Mon Sep 17 00:00:00 2001
Message-Id: <e0d5cb4f381bc31eea602eda721126a0a09c2e2f.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 9c54177a10dfa0874eed8214a9c125fc872a0da4 Mon Sep 17 00:00:00 2001
Message-Id: <9c54177a10dfa0874eed8214a9c125fc872a0da4.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 4 Apr 2017 12:50:16 +0200
Subject: [PATCH 026/333] kernel: sched: Provide a pointer to the valid CPU
@ -9,7 +9,7 @@ Subject: [PATCH 026/333] kernel: sched: Provide a pointer to the valid CPU
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
In commit 4b53a3412d66 ("sched/core: Remove the tsk_nr_cpus_allowed()
wrapper") the tsk_nr_cpus_allowed() wrapper was removed. There was not

10
debian/patches-rt/0027-kernel-sched-core-add-migrate_disable.patch vendored
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@ -1,11 +1,11 @@
From 03c40b401fbbb4ea7bbc4bc90e62dce5ba2521ae Mon Sep 17 00:00:00 2001
Message-Id: <03c40b401fbbb4ea7bbc4bc90e62dce5ba2521ae.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 53f10af8e401301257ec2ee11638597f7fce2b04 Mon Sep 17 00:00:00 2001
Message-Id: <53f10af8e401301257ec2ee11638597f7fce2b04.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 27 May 2017 19:02:06 +0200
Subject: [PATCH 027/333] kernel/sched/core: add migrate_disable()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
---
include/linux/preempt.h | 23 +++++++

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debian/patches-rt/0028-sched-migrate_disable-Add-export_symbol_gpl-for-__mi.patch vendored
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@ -1,12 +1,12 @@
From 9d392927a31ae6d07d33380430eacb483eac1f3f Mon Sep 17 00:00:00 2001
Message-Id: <9d392927a31ae6d07d33380430eacb483eac1f3f.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 22aac3ed2b0414b1acd6c8638532c632a1486dc4 Mon Sep 17 00:00:00 2001
Message-Id: <22aac3ed2b0414b1acd6c8638532c632a1486dc4.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 9 Oct 2018 17:34:50 +0200
Subject: [PATCH 028/333] sched/migrate_disable: Add export_symbol_gpl for
__migrate_disabled
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Jonathan reported that lttng/modules can't use __migrate_disabled().
This function is only used by sched/core itself and the tracing

10
debian/patches-rt/0029-arm-at91-do-not-disable-enable-clocks-in-a-row.patch vendored
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@ -1,11 +1,11 @@
From 16e7a58f46f74dcc5d206bb48fa3b3abd7aef5b3 Mon Sep 17 00:00:00 2001
Message-Id: <16e7a58f46f74dcc5d206bb48fa3b3abd7aef5b3.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 46cd243e812d50776438c4e4be19343985b58511 Mon Sep 17 00:00:00 2001
Message-Id: <46cd243e812d50776438c4e4be19343985b58511.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 9 Mar 2016 10:51:06 +0100
Subject: [PATCH 029/333] arm: at91: do not disable/enable clocks in a row
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Currently the driver will disable the clock and enable it one line later
if it is switching from periodic mode into one shot.

10
debian/patches-rt/0030-clocksource-TCLIB-Allow-higher-clock-rates-for-clock.patch vendored
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@ -1,7 +1,7 @@
From 1407a2d6268fc6167191af84956c83362741db73 Mon Sep 17 00:00:00 2001
Message-Id: <1407a2d6268fc6167191af84956c83362741db73.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 0a04e69e05ac7eec96dfe1714aa636c2bf8fa8e1 Mon Sep 17 00:00:00 2001
Message-Id: <0a04e69e05ac7eec96dfe1714aa636c2bf8fa8e1.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Benedikt Spranger <b.spranger@linutronix.de>
Date: Mon, 8 Mar 2010 18:57:04 +0100
Subject: [PATCH 030/333] clocksource: TCLIB: Allow higher clock rates for
@ -9,7 +9,7 @@ Subject: [PATCH 030/333] clocksource: TCLIB: Allow higher clock rates for
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
As default the TCLIB uses the 32KiHz base clock rate for clock events.
Add a compile time selection to allow higher clock resulution.

10
debian/patches-rt/0031-timekeeping-Split-jiffies-seqlock.patch vendored
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@ -1,11 +1,11 @@
From b04eca645fe46127aa5b7f300bfd6b0be614a899 Mon Sep 17 00:00:00 2001
Message-Id: <b04eca645fe46127aa5b7f300bfd6b0be614a899.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 0bda092df133445692f77e6eb13149493b3464a2 Mon Sep 17 00:00:00 2001
Message-Id: <0bda092df133445692f77e6eb13149493b3464a2.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 14 Feb 2013 22:36:59 +0100
Subject: [PATCH 031/333] timekeeping: Split jiffies seqlock
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Replace jiffies_lock seqlock with a simple seqcounter and a rawlock so
it can be taken in atomic context on RT.

10
debian/patches-rt/0032-signal-Revert-ptrace-preempt-magic.patch vendored
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@ -1,11 +1,11 @@
From 9534050d3bbfbdc09211434ea2557770502bfcd9 Mon Sep 17 00:00:00 2001
Message-Id: <9534050d3bbfbdc09211434ea2557770502bfcd9.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From e87e30a754eaaeae393934e4d25104a8739a4b20 Mon Sep 17 00:00:00 2001
Message-Id: <e87e30a754eaaeae393934e4d25104a8739a4b20.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 21 Sep 2011 19:57:12 +0200
Subject: [PATCH 032/333] signal: Revert ptrace preempt magic
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Upstream commit '53da1d9456fe7f8 fix ptrace slowness' is nothing more
than a bandaid around the ptrace design trainwreck. It's not a

14
debian/patches-rt/0033-net-sched-Use-msleep-instead-of-yield.patch vendored
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From 9011d119566cab11d71a676c0243b775f4e812c1 Mon Sep 17 00:00:00 2001
Message-Id: <9011d119566cab11d71a676c0243b775f4e812c1.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 36f709429024a0e49967d177b45571c03ce08224 Mon Sep 17 00:00:00 2001
Message-Id: <36f709429024a0e49967d177b45571c03ce08224.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Wed, 5 Mar 2014 00:49:47 +0100
Subject: [PATCH 033/333] net: sched: Use msleep() instead of yield()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
On PREEMPT_RT enabled systems the interrupt handler run as threads at prio 50
(by default). If a high priority userspace process tries to shut down a busy
@ -50,10 +50,10 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 119e20cad662..49d60ae006ed 100644
index bd96fd261dba..06681749e736 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -1205,7 +1205,7 @@ void dev_deactivate_many(struct list_head *head)
@@ -1222,7 +1222,7 @@ void dev_deactivate_many(struct list_head *head)
/* Wait for outstanding qdisc_run calls. */
list_for_each_entry(dev, head, close_list) {
while (some_qdisc_is_busy(dev))

10
debian/patches-rt/0034-dm-rq-remove-BUG_ON-irqs_disabled-check.patch vendored
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From f5e867d66ac23b11e8c7fbcc178fa5b58102b702 Mon Sep 17 00:00:00 2001
Message-Id: <f5e867d66ac23b11e8c7fbcc178fa5b58102b702.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 0b2ecf29a3e8d184251a5103ef5bf728da1b45d5 Mon Sep 17 00:00:00 2001
Message-Id: <0b2ecf29a3e8d184251a5103ef5bf728da1b45d5.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 27 Mar 2018 16:24:15 +0200
Subject: [PATCH 034/333] dm rq: remove BUG_ON(!irqs_disabled) check
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
In commit 052189a2ec95 ("dm: remove superfluous irq disablement in
dm_request_fn") the spin_lock_irq() was replaced with spin_lock() + a

10
debian/patches-rt/0035-usb-do-no-disable-interrupts-in-giveback.patch vendored
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@ -1,11 +1,11 @@
From c3164dc24e24917688c9873da74a822427f3e855 Mon Sep 17 00:00:00 2001
Message-Id: <c3164dc24e24917688c9873da74a822427f3e855.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 3254821606ce89fd2a2d2bbd115d6b4e61f7cd9b Mon Sep 17 00:00:00 2001
Message-Id: <3254821606ce89fd2a2d2bbd115d6b4e61f7cd9b.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 8 Nov 2013 17:34:54 +0100
Subject: [PATCH 035/333] usb: do no disable interrupts in giveback
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet
context") the USB code disables interrupts before invoking the complete

10
debian/patches-rt/0036-rt-Provide-PREEMPT_RT_BASE-config-switch.patch vendored
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@ -1,11 +1,11 @@
From 8a0bb4073247b199c6fb755b2bda41e635bdf97d Mon Sep 17 00:00:00 2001
Message-Id: <8a0bb4073247b199c6fb755b2bda41e635bdf97d.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From b67f13e65cdfce55fab8dec3f7d102bf90e0fff3 Mon Sep 17 00:00:00 2001
Message-Id: <b67f13e65cdfce55fab8dec3f7d102bf90e0fff3.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Jun 2011 12:39:57 +0200
Subject: [PATCH 036/333] rt: Provide PREEMPT_RT_BASE config switch
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Introduce PREEMPT_RT_BASE which enables parts of
PREEMPT_RT_FULL. Forces interrupt threading and enables some of the RT

10
debian/patches-rt/0037-cpumask-Disable-CONFIG_CPUMASK_OFFSTACK-for-RT.patch vendored
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@ -1,11 +1,11 @@
From 2331c2c20cae90d621093ce304b3531dfd853d7e Mon Sep 17 00:00:00 2001
Message-Id: <2331c2c20cae90d621093ce304b3531dfd853d7e.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 7217f43a5aaf863ebd4df662f4d2453562c8721a Mon Sep 17 00:00:00 2001
Message-Id: <7217f43a5aaf863ebd4df662f4d2453562c8721a.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 14 Dec 2011 01:03:49 +0100
Subject: [PATCH 037/333] cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
There are "valid" GFP_ATOMIC allocations such as

10
debian/patches-rt/0038-jump-label-disable-if-stop_machine-is-used.patch vendored
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@ -1,11 +1,11 @@
From 7a3061c4f862b69c736af01c0db821498af332c1 Mon Sep 17 00:00:00 2001
Message-Id: <7a3061c4f862b69c736af01c0db821498af332c1.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From f4cfac959fba1f75f59bb559f5035aa5bde2fbb5 Mon Sep 17 00:00:00 2001
Message-Id: <f4cfac959fba1f75f59bb559f5035aa5bde2fbb5.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 8 Jul 2015 17:14:48 +0200
Subject: [PATCH 038/333] jump-label: disable if stop_machine() is used
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Some architectures are using stop_machine() while switching the opcode which
leads to latency spikes.

10
debian/patches-rt/0039-kconfig-Disable-config-options-which-are-not-RT-comp.patch vendored
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@ -1,12 +1,12 @@
From 983f8298c5f0779a7634fa352e342a4ce7ad4a0a Mon Sep 17 00:00:00 2001
Message-Id: <983f8298c5f0779a7634fa352e342a4ce7ad4a0a.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From eaa408409fc872f1733be1d947694d0cc9dda051 Mon Sep 17 00:00:00 2001
Message-Id: <eaa408409fc872f1733be1d947694d0cc9dda051.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 24 Jul 2011 12:11:43 +0200
Subject: [PATCH 039/333] kconfig: Disable config options which are not RT
compatible
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Disable stuff which is known to have issues on RT

10
debian/patches-rt/0040-lockdep-disable-self-test.patch vendored
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@ -1,14 +1,14 @@
From ba6a1434bba9d9e31eade3e876bd0832f0947e98 Mon Sep 17 00:00:00 2001
Message-Id: <ba6a1434bba9d9e31eade3e876bd0832f0947e98.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From e873744bd9dbed2fe6adbc9564523ce662a411aa Mon Sep 17 00:00:00 2001
Message-Id: <e873744bd9dbed2fe6adbc9564523ce662a411aa.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 17 Oct 2017 16:36:18 +0200
Subject: [PATCH 040/333] lockdep: disable self-test
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The self-test wasn't always 100% accurate for RT. We disabled a few
tests which failed because they had a different semantic for RT. Some

10
debian/patches-rt/0041-mm-Allow-only-slub-on-RT.patch vendored
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@ -1,11 +1,11 @@
From 4e96a586e2aea42f3b1bf47333d9b3c208f49687 Mon Sep 17 00:00:00 2001
Message-Id: <4e96a586e2aea42f3b1bf47333d9b3c208f49687.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From f6ed1d9c5fd3121b1cf5bb8420a4c65f98368d01 Mon Sep 17 00:00:00 2001
Message-Id: <f6ed1d9c5fd3121b1cf5bb8420a4c65f98368d01.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:44:03 -0500
Subject: [PATCH 041/333] mm: Allow only slub on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Disable SLAB and SLOB on -RT. Only SLUB is adopted to -RT needs.

10
debian/patches-rt/0042-locking-Disable-spin-on-owner-for-RT.patch vendored
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From 3c2fbe75f8d09dfb0df20db0768d8c3f5263a92f Mon Sep 17 00:00:00 2001
Message-Id: <3c2fbe75f8d09dfb0df20db0768d8c3f5263a92f.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 228791648695b2759d55863d0e829300e310d40c Mon Sep 17 00:00:00 2001
Message-Id: <228791648695b2759d55863d0e829300e310d40c.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:51:45 +0200
Subject: [PATCH 042/333] locking: Disable spin on owner for RT
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Drop spin on owner for mutex / rwsem. We are most likely not using it
but…

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debian/patches-rt/0043-rcu-Disable-RCU_FAST_NO_HZ-on-RT.patch vendored
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From 790b2ab08c1c29364fe55eff153eb15cc8434526 Mon Sep 17 00:00:00 2001
Message-Id: <790b2ab08c1c29364fe55eff153eb15cc8434526.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 4464f6a0589d85537759211cb2306c57b3a40486 Mon Sep 17 00:00:00 2001
Message-Id: <4464f6a0589d85537759211cb2306c57b3a40486.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 28 Oct 2012 13:26:09 +0000
Subject: [PATCH 043/333] rcu: Disable RCU_FAST_NO_HZ on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
This uses a timer_list timer from the irq disabled guts of the idle
code. Disable it for now to prevent wreckage.

10
debian/patches-rt/0044-rcu-make-RCU_BOOST-default-on-RT.patch vendored
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From 82a2f625d9adc2a557c6b4dbe4a4ea50849723c6 Mon Sep 17 00:00:00 2001
Message-Id: <82a2f625d9adc2a557c6b4dbe4a4ea50849723c6.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 4f6896ee6bf4db91d7fc81932bf1ca231229040b Mon Sep 17 00:00:00 2001
Message-Id: <4f6896ee6bf4db91d7fc81932bf1ca231229040b.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 21 Mar 2014 20:19:05 +0100
Subject: [PATCH 044/333] rcu: make RCU_BOOST default on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Since it is no longer invoked from the softirq people run into OOM more
often if the priority of the RCU thread is too low. Making boosting

10
debian/patches-rt/0045-sched-Disable-CONFIG_RT_GROUP_SCHED-on-RT.patch vendored
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From 7260840414de5a8eb26961a63ac061869a5d309d Mon Sep 17 00:00:00 2001
Message-Id: <7260840414de5a8eb26961a63ac061869a5d309d.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 2669d27db140f86ef0c46ef918410177f47972ba Mon Sep 17 00:00:00 2001
Message-Id: <2669d27db140f86ef0c46ef918410177f47972ba.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:03:52 +0200
Subject: [PATCH 045/333] sched: Disable CONFIG_RT_GROUP_SCHED on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Carsten reported problems when running:

10
debian/patches-rt/0046-net-core-disable-NET_RX_BUSY_POLL.patch vendored
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From 8d2cc068eb55d96f11cfe642d8f54aa89e086926 Mon Sep 17 00:00:00 2001
Message-Id: <8d2cc068eb55d96f11cfe642d8f54aa89e086926.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 38f41dbb9b916164ca83db92c6860ab954a58cd1 Mon Sep 17 00:00:00 2001
Message-Id: <38f41dbb9b916164ca83db92c6860ab954a58cd1.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 27 May 2017 19:02:06 +0200
Subject: [PATCH 046/333] net/core: disable NET_RX_BUSY_POLL
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
sk_busy_loop() does preempt_disable() followed by a few operations which can
take sleeping locks and may get long.

10
debian/patches-rt/0047-arm-disable-NEON-in-kernel-mode.patch vendored
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From 75e6d90b48d2ef29c1930c9a40f8b5c53d93af26 Mon Sep 17 00:00:00 2001
Message-Id: <75e6d90b48d2ef29c1930c9a40f8b5c53d93af26.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 97d941c3c75bfd4f49bcd1b2603dd84425bdc0eb Mon Sep 17 00:00:00 2001
Message-Id: <97d941c3c75bfd4f49bcd1b2603dd84425bdc0eb.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Dec 2017 10:42:03 +0100
Subject: [PATCH 047/333] arm*: disable NEON in kernel mode
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
NEON in kernel mode is used by the crypto algorithms and raid6 code.
While the raid6 code looks okay, the crypto algorithms do not: NEON

10
debian/patches-rt/0048-powerpc-Use-generic-rwsem-on-RT.patch vendored
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From cc87ebe7ce9ea8f54cb9524de1633d5b94316192 Mon Sep 17 00:00:00 2001
Message-Id: <cc87ebe7ce9ea8f54cb9524de1633d5b94316192.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 1e2d0fb0b52481f5994e5b507f55e9d1068c37ea Mon Sep 17 00:00:00 2001
Message-Id: <1e2d0fb0b52481f5994e5b507f55e9d1068c37ea.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: [PATCH 048/333] powerpc: Use generic rwsem on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Use generic code which uses rtmutex

10
debian/patches-rt/0049-powerpc-kvm-Disable-in-kernel-MPIC-emulation-for-PRE.patch vendored
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From 2568914c2ca6334d11c456003a5490189894e3b8 Mon Sep 17 00:00:00 2001
Message-Id: <2568914c2ca6334d11c456003a5490189894e3b8.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From d36893e7a64c088079862d7349e04eacdfc81158 Mon Sep 17 00:00:00 2001
Message-Id: <d36893e7a64c088079862d7349e04eacdfc81158.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Bogdan Purcareata <bogdan.purcareata@freescale.com>
Date: Fri, 24 Apr 2015 15:53:13 +0000
Subject: [PATCH 049/333] powerpc/kvm: Disable in-kernel MPIC emulation for
PREEMPT_RT_FULL
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
While converting the openpic emulation code to use a raw_spinlock_t enables
guests to run on RT, there's still a performance issue. For interrupts sent in

10
debian/patches-rt/0050-powerpc-Disable-highmem-on-RT.patch vendored
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From 735573207ecf07b4f01fe908ba436371813ee40e Mon Sep 17 00:00:00 2001
Message-Id: <735573207ecf07b4f01fe908ba436371813ee40e.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 89b72036770c4fa874e51ba6f1f89533902784ba Mon Sep 17 00:00:00 2001
Message-Id: <89b72036770c4fa874e51ba6f1f89533902784ba.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:08:34 +0200
Subject: [PATCH 050/333] powerpc: Disable highmem on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The current highmem handling on -RT is not compatible and needs fixups.

14
debian/patches-rt/0051-mips-Disable-highmem-on-RT.patch vendored
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From af4c5a7abec8d63afc15afa550baf8e1c93f06f5 Mon Sep 17 00:00:00 2001
Message-Id: <af4c5a7abec8d63afc15afa550baf8e1c93f06f5.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From cb00db21219a3e808f12dff1ed229b5bbce58ad7 Mon Sep 17 00:00:00 2001
Message-Id: <cb00db21219a3e808f12dff1ed229b5bbce58ad7.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:10:12 +0200
Subject: [PATCH 051/333] mips: Disable highmem on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
The current highmem handling on -RT is not compatible and needs fixups.
@ -15,10 +15,10 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a830a9701e50..3d5fae3891be 100644
index cc8c8d22afaf..9f9e8fae334d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2518,7 +2518,7 @@ config MIPS_CRC_SUPPORT
@@ -2519,7 +2519,7 @@ config MIPS_CRC_SUPPORT
#
config HIGHMEM
bool "High Memory Support"

10
debian/patches-rt/0052-x86-Use-generic-rwsem_spinlocks-on-rt.patch vendored
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From 38611b201948427fb4c20c4606940efebf433271 Mon Sep 17 00:00:00 2001
Message-Id: <38611b201948427fb4c20c4606940efebf433271.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From e71d45902a41d30eabcc83a39243440f76d610f0 Mon Sep 17 00:00:00 2001
Message-Id: <e71d45902a41d30eabcc83a39243440f76d610f0.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 26 Jul 2009 02:21:32 +0200
Subject: [PATCH 052/333] x86: Use generic rwsem_spinlocks on -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Simplifies the separation of anon_rw_semaphores and rw_semaphores for
-rt.

10
debian/patches-rt/0053-leds-trigger-disable-CPU-trigger-on-RT.patch vendored
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From 2147fa4095bfd794ddb11fdfe437db8e6476872a Mon Sep 17 00:00:00 2001
Message-Id: <2147fa4095bfd794ddb11fdfe437db8e6476872a.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 534e3497ce877345f3f2a93a090f164eec826d10 Mon Sep 17 00:00:00 2001
Message-Id: <534e3497ce877345f3f2a93a090f164eec826d10.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 23 Jan 2014 14:45:59 +0100
Subject: [PATCH 053/333] leds: trigger: disable CPU trigger on -RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
as it triggers:
|CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141

10
debian/patches-rt/0054-cpufreq-drop-K8-s-driver-from-beeing-selected.patch vendored
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From 8d8cb80f52aced6cbf75b3a5dfdb90278dbb56d1 Mon Sep 17 00:00:00 2001
Message-Id: <8d8cb80f52aced6cbf75b3a5dfdb90278dbb56d1.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 4358b17e5f47fc4b999796c3593a865a8e41507a Mon Sep 17 00:00:00 2001
Message-Id: <4358b17e5f47fc4b999796c3593a865a8e41507a.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 9 Apr 2015 15:23:01 +0200
Subject: [PATCH 054/333] cpufreq: drop K8's driver from beeing selected
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Ralf posted a picture of a backtrace from

10
debian/patches-rt/0055-md-disable-bcache.patch vendored
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From 47ece03b0e12c858b418f764b438f1d10fe8bfa7 Mon Sep 17 00:00:00 2001
Message-Id: <47ece03b0e12c858b418f764b438f1d10fe8bfa7.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 179303a9c436686b3229b062198ea9e188b1d2ec Mon Sep 17 00:00:00 2001
Message-Id: <179303a9c436686b3229b062198ea9e188b1d2ec.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 29 Aug 2013 11:48:57 +0200
Subject: [PATCH 055/333] md: disable bcache
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
It uses anon semaphores
|drivers/md/bcache/request.c: In function ‘cached_dev_write_complete’:

10
debian/patches-rt/0056-efi-Disable-runtime-services-on-RT.patch vendored
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From 42374e49bc3bdfd501038d1da1e88735b23fdbb0 Mon Sep 17 00:00:00 2001
Message-Id: <42374e49bc3bdfd501038d1da1e88735b23fdbb0.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 72502cdee1e1aa8c752321e8932d33aba10ba327 Mon Sep 17 00:00:00 2001
Message-Id: <72502cdee1e1aa8c752321e8932d33aba10ba327.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 15:03:16 +0200
Subject: [PATCH 056/333] efi: Disable runtime services on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Based on meassurements the EFI functions get_variable /
get_next_variable take up to 2us which looks okay.

10
debian/patches-rt/0057-printk-Add-a-printk-kill-switch.patch vendored
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From 13543539475b324b9c47601e2be5d071e0dbaa5c Mon Sep 17 00:00:00 2001
Message-Id: <13543539475b324b9c47601e2be5d071e0dbaa5c.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 63e0e7b2d6fd6bf9ec8e39c77fd05349fc6f5833 Mon Sep 17 00:00:00 2001
Message-Id: <63e0e7b2d6fd6bf9ec8e39c77fd05349fc6f5833.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 22 Jul 2011 17:58:40 +0200
Subject: [PATCH 057/333] printk: Add a printk kill switch
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Add a prinkt-kill-switch. This is used from (NMI) watchdog to ensure that
it does not dead-lock with the early printk code.

10
debian/patches-rt/0058-printk-Add-force_early_printk-boot-param-to-help-wit.patch vendored
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From ae4726a22a1bbcb3bdfc67de9e90f9695e1b1079 Mon Sep 17 00:00:00 2001
Message-Id: <ae4726a22a1bbcb3bdfc67de9e90f9695e1b1079.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 41b78fc339260091839e54f53feaa80d2551486d Mon Sep 17 00:00:00 2001
Message-Id: <41b78fc339260091839e54f53feaa80d2551486d.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Peter Zijlstra <peterz@infradead.org>
Date: Fri, 2 Sep 2011 14:41:29 +0200
Subject: [PATCH 058/333] printk: Add "force_early_printk" boot param to help
with debugging
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Gives me an option to screw printk and actually see what the machine
says.

10
debian/patches-rt/0059-preempt-Provide-preempt_-_-no-rt-variants.patch vendored
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From b866405729e234026124ab0576e4cd9d849bbd3c Mon Sep 17 00:00:00 2001
Message-Id: <b866405729e234026124ab0576e4cd9d849bbd3c.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 8e0731033be0ec76e778f8842bc560171c0c2706 Mon Sep 17 00:00:00 2001
Message-Id: <8e0731033be0ec76e778f8842bc560171c0c2706.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 24 Jul 2009 12:38:56 +0200
Subject: [PATCH 059/333] preempt: Provide preempt_*_(no)rt variants
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
RT needs a few preempt_disable/enable points which are not necessary
otherwise. Implement variants to avoid #ifdeffery.

10
debian/patches-rt/0060-futex-workaround-migrate_disable-enable-in-different.patch vendored
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From 43e13dce1ce2cd65962515717aeb360dcc4f5377 Mon Sep 17 00:00:00 2001
Message-Id: <43e13dce1ce2cd65962515717aeb360dcc4f5377.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 072768e7c1a02d208981cf6084b03594c1e10b81 Mon Sep 17 00:00:00 2001
Message-Id: <072768e7c1a02d208981cf6084b03594c1e10b81.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 8 Mar 2017 14:23:35 +0100
Subject: [PATCH 060/333] futex: workaround migrate_disable/enable in different
context
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
migrate_disable()/migrate_enable() takes a different path in atomic() vs
!atomic() context. These little hacks ensure that we don't underflow / overflow

10
debian/patches-rt/0061-rt-Add-local-irq-locks.patch vendored
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From 5d5c579866d6b36bf81556252d545fdd67ca35f5 Mon Sep 17 00:00:00 2001
Message-Id: <5d5c579866d6b36bf81556252d545fdd67ca35f5.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 2efff859badb5a9faaf8d305286f0640530b6b04 Mon Sep 17 00:00:00 2001
Message-Id: <2efff859badb5a9faaf8d305286f0640530b6b04.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 20 Jun 2011 09:03:47 +0200
Subject: [PATCH 061/333] rt: Add local irq locks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Introduce locallock. For !RT this maps to preempt_disable()/
local_irq_disable() so there is not much that changes. For RT this will

10
debian/patches-rt/0062-locallock-provide-get-put-_locked_ptr-variants.patch vendored
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From 4d7f9bb9c71326b8513644baa157010c7d1c6fc9 Mon Sep 17 00:00:00 2001
Message-Id: <4d7f9bb9c71326b8513644baa157010c7d1c6fc9.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 911aaa10543fb610a948db94025c5c2a337b3c0a Mon Sep 17 00:00:00 2001
Message-Id: <911aaa10543fb610a948db94025c5c2a337b3c0a.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Julia Cartwright <julia@ni.com>
Date: Mon, 7 May 2018 08:58:56 -0500
Subject: [PATCH 062/333] locallock: provide {get,put}_locked_ptr() variants
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Provide a set of locallocked accessors for pointers to per-CPU data;
this is useful for dynamically-allocated per-CPU regions, for example.

10
debian/patches-rt/0063-mm-scatterlist-Do-not-disable-irqs-on-RT.patch vendored
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From 0bf3b10d37ad5526e70f44665d6728e3945dd746 Mon Sep 17 00:00:00 2001
Message-Id: <0bf3b10d37ad5526e70f44665d6728e3945dd746.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 16afa640570f09ecf21c1aac9404030304439bb4 Mon Sep 17 00:00:00 2001
Message-Id: <16afa640570f09ecf21c1aac9404030304439bb4.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 3 Jul 2009 08:44:34 -0500
Subject: [PATCH 063/333] mm/scatterlist: Do not disable irqs on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
For -RT it is enough to keep pagefault disabled (which is currently handled by
kmap_atomic()).

10
debian/patches-rt/0064-signal-x86-Delay-calling-signals-in-atomic.patch vendored
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From 78fd6c5797a3744a009cf39aa2a42e7781a0c3c6 Mon Sep 17 00:00:00 2001
Message-Id: <78fd6c5797a3744a009cf39aa2a42e7781a0c3c6.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From c57001cf8ea1948b070218f85ba09f0ec0dae47b Mon Sep 17 00:00:00 2001
Message-Id: <c57001cf8ea1948b070218f85ba09f0ec0dae47b.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Oleg Nesterov <oleg@redhat.com>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: [PATCH 064/333] signal/x86: Delay calling signals in atomic
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
On x86_64 we must disable preemption before we enable interrupts
for stack faults, int3 and debugging, because the current task is using

10
debian/patches-rt/0065-x86-signal-delay-calling-signals-on-32bit.patch vendored
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From 3b7c39e29951ebd9c20f2d4b87abe19cb63039da Mon Sep 17 00:00:00 2001
Message-Id: <3b7c39e29951ebd9c20f2d4b87abe19cb63039da.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 28030eba61e8c4a4dd506cb8066b0dc0c3936edd Mon Sep 17 00:00:00 2001
Message-Id: <28030eba61e8c4a4dd506cb8066b0dc0c3936edd.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Yang Shi <yang.shi@linaro.org>
Date: Thu, 10 Dec 2015 10:58:51 -0800
Subject: [PATCH 065/333] x86/signal: delay calling signals on 32bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
When running some ptrace single step tests on x86-32 machine, the below problem
is triggered:

14
debian/patches-rt/0066-buffer_head-Replace-bh_uptodate_lock-for-rt.patch vendored
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From e50f5996603fbf4fa4e225165ffbb898630ce917 Mon Sep 17 00:00:00 2001
Message-Id: <e50f5996603fbf4fa4e225165ffbb898630ce917.1599166690.git.zanussi@kernel.org>
In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
From 0234ffb83adb4ab4ccc78264e5c22edaa67bb110 Mon Sep 17 00:00:00 2001
Message-Id: <0234ffb83adb4ab4ccc78264e5c22edaa67bb110.1601675151.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 18 Mar 2011 09:18:52 +0100
Subject: [PATCH 066/333] buffer_head: Replace bh_uptodate_lock for -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
Wrap the bit_spin_lock calls into a separate inline and add the RT
replacements with a real spinlock.
@ -19,7 +19,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
4 files changed, 46 insertions(+), 25 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index c49fdab5cb36..b649c4d58637 100644
index 362a86876459..87e38a32306f 100644
--- a/fs/buffer.c