From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Carsten Emde <cbe@osadl.org>, Carsten Emde <C.Emde@osadl.org>
Subject: [patch-rt 4/5] x86: remove redundant local_irq_enable() in handle_signal()
Date: Fri, 30 Jan 2009 11:43:42 -0000 [thread overview]
Message-ID: <20090130114307.040619764@linutronix.de> (raw)
In-Reply-To: <20090130114230.100052140@linutronix.de>
[-- Attachment #1: irqs-do-not-need-to-be-enabled-explicitly-in-handle-signal.patch --]
[-- Type: text/plain, Size: 830 bytes --]
IRQs are already enabled when handle_signal() is called.
Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/signal_32.c | 7 -------
1 file changed, 7 deletions(-)
Index: linux-2.6.26.8/arch/x86/kernel/signal_32.c
===================================================================
--- linux-2.6.26.8.orig/arch/x86/kernel/signal_32.c
+++ linux-2.6.26.8/arch/x86/kernel/signal_32.c
@@ -529,13 +529,6 @@ handle_signal(unsigned long sig, siginfo
}
}
-#ifdef CONFIG_PREEMPT_RT
- /*
- * Fully-preemptible kernel does not need interrupts disabled:
- */
- local_irq_enable();
- preempt_check_resched();
-#endif
/*
* If TF is set due to a debugger (TIF_FORCED_TF), clear the TF
* flag so that register information in the sigcontext is correct.
next prev parent reply other threads:[~2009-01-30 11:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-30 11:43 [patch-rt 0/5] more 2.6.26-rt updates Thomas Gleixner
2009-01-30 11:43 ` [patch-rt 1/5] commit 42ef73fe134732b2e91c0326df5fd568da17c4b2 Author: Peter Zijlstra <peterz@infradead.org> Date: Fri Jan 23 17:37:49 2009 +0100 Thomas Gleixner
2009-01-30 11:43 ` [patch-rt 2/5] commit 6626bff24578753808c8b5bd4f1619e14e980f0f Author: Thomas Gleixner <tglx@linutronix.de> Date: Sun Jan 25 11:31:36 " Thomas Gleixner
2009-01-30 11:43 ` [patch-rt 3/5] trace: fix typo in kernel/trace/Kconfig Thomas Gleixner
2009-01-30 11:43 ` Thomas Gleixner [this message]
2009-01-30 11:43 ` [patch-rt 5/5] trace: warn if irqs already enabled in irqs_off latency check Thomas Gleixner
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