39 lines
1.5 KiB
Diff
39 lines
1.5 KiB
Diff
From 09128f54b622a649949cec12d3052941cbc17561 Mon Sep 17 00:00:00 2001
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Sun, 17 Jul 2011 19:53:19 +0200
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Subject: [PATCH 157/278] stomp-machine-mark-stomper-thread.patch
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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include/linux/sched.h | 1 +
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kernel/stop_machine.c | 1 +
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2 files changed, 2 insertions(+)
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diff --git a/include/linux/sched.h b/include/linux/sched.h
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index 7a1df91..34ebf9e 100644
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--- a/include/linux/sched.h
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+++ b/include/linux/sched.h
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@@ -1826,6 +1826,7 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
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#define PF_FROZEN 0x00010000 /* frozen for system suspend */
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#define PF_FSTRANS 0x00020000 /* inside a filesystem transaction */
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#define PF_KSWAPD 0x00040000 /* I am kswapd */
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+#define PF_STOMPER 0x00080000 /* I am a stomp machine thread */
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#define PF_LESS_THROTTLE 0x00100000 /* Throttle me less: I clean memory */
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#define PF_KTHREAD 0x00200000 /* I am a kernel thread */
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#define PF_RANDOMIZE 0x00400000 /* randomize virtual address space */
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diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
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index 61779f8..484a335 100644
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--- a/kernel/stop_machine.c
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+++ b/kernel/stop_machine.c
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@@ -327,6 +327,7 @@ static int __cpuinit cpu_stop_cpu_callback(struct notifier_block *nfb,
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if (IS_ERR(p))
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return notifier_from_errno(PTR_ERR(p));
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get_task_struct(p);
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+ p->flags |= PF_STOMPER;
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kthread_bind(p, cpu);
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sched_set_stop_task(cpu, p);
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stopper->thread = p;
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--
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1.7.10
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