37 lines
991 B
Diff
37 lines
991 B
Diff
Subject: signal-fix-up-rcu-wreckage.patch
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Fri, 22 Jul 2011 08:07:08 +0200
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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kernel/signal.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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--- a/kernel/signal.c
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+++ b/kernel/signal.c
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@@ -1394,12 +1394,12 @@ struct sighand_struct *__lock_task_sigha
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struct sighand_struct *sighand;
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for (;;) {
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- local_irq_save(*flags);
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+ local_irq_save_nort(*flags);
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rcu_read_lock();
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sighand = rcu_dereference(tsk->sighand);
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if (unlikely(sighand == NULL)) {
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rcu_read_unlock();
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- local_irq_restore(*flags);
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+ local_irq_restore_nort(*flags);
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break;
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}
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@@ -1410,7 +1410,7 @@ struct sighand_struct *__lock_task_sigha
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}
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spin_unlock(&sighand->siglock);
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rcu_read_unlock();
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- local_irq_restore(*flags);
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+ local_irq_restore_nort(*flags);
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}
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return sighand;
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