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[PATCH 21/24] i386: add TRACE_IRQS_OFF for exception 1 (debug)

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From: <heukelum@...>
To: <linux-kernel@...>, <mingo@...>, <ak@...>
Cc: Alexander van Heukelum <heukelum@...>
Subject: [PATCH 21/24] i386: add TRACE_IRQS_OFF for exception 1 (debug)
Date: Tuesday, September 9, 2008 - 3:56 pm

From: Alexander van Heukelum <heukelum@fastmail.fm>

At this point interrupts are off, so let's inform the tracing
code of that fact before calling into C.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
---
 arch/x86/kernel/entry_32.S |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 49438e5..a278505 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -804,6 +804,7 @@ debug_stack_correct:
 	pushl $-1			# mark this as an int
 	CFI_ADJUST_CFA_OFFSET 4
 	SAVE_ALL
+	TRACE_IRQS_OFF
 	xorl %edx,%edx			# error code 0
 	movl %esp,%eax			# pt_regs pointer
 	call do_debug
-- 
1.5.4.3

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Messages in current thread:
[RFC/PATCH] i386: handle all exceptions with interrupts off ..., , (Tue Sep 9, 3:55 pm)
Re: [RFC/PATCH] i386: handle all exceptions with interrupts ..., H. Peter Anvin, (Tue Sep 9, 11:27 pm)
Re: [RFC/PATCH] i386: handle all exceptions with interrupts ..., Ingo Molnar, (Wed Sep 10, 1:53 am)
Re: [RFC/PATCH] i386: handle all exceptions with interrupts ..., H. Peter Anvin, (Wed Sep 10, 1:59 am)
Re: [RFC/PATCH] i386: handle all exceptions with interrupts ..., Ingo Molnar, (Wed Sep 10, 3:00 am)
Re: [RFC/PATCH] i386: handle all exceptions with interrupts ..., Ingo Molnar, (Wed Sep 10, 3:24 am)
Re: [RFC/PATCH] i386: handle all exceptions with interrupts ..., Alexander van Heukelum, (Wed Sep 10, 5:36 am)
[PATCH 1/24] i386: remove kprobes' restore_interrupts in fav..., , (Tue Sep 9, 3:55 pm)
[PATCH 2/24] i386: prepare to convert exceptions to interrupts, , (Tue Sep 9, 3:55 pm)
[PATCH 3/24] i386: convert hardware exception 0 to an interr..., , (Tue Sep 9, 3:55 pm)
[PATCH 4/24] i386: expand exception 3 DO_TRAP macro, , (Tue Sep 9, 3:55 pm)
[PATCH 5/24] i386: convert hardware exception 4 to an interr..., , (Tue Sep 9, 3:55 pm)
[PATCH 6/24] i386: convert hardware exception 5 to an interr..., , (Tue Sep 9, 3:56 pm)
[PATCH 7/24] i386: convert hardware exception 6 to an interr..., , (Tue Sep 9, 3:56 pm)
[PATCH 8/24] i386: convert hardware exception 7 to an interr..., , (Tue Sep 9, 3:56 pm)
[PATCH 9/24] i386: convert hardware exception 9 to an interr..., , (Tue Sep 9, 3:56 pm)
[PATCH 10/24] i386: convert hardware exception 10 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 11/24] i386: convert hardware exception 11 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 12/24] i386: convert hardware exception 12 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 13/24] i386: convert hardware exception 13 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 14/24] i386: convert hardware exception 15 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 15/24] i386: convert hardware exception 16 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 16/24] i386: convert hardware exception 17 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 17/24] i386: convert hardware exception 18 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 18/24] i386: convert hardware exception 19 to an inte..., , (Tue Sep 9, 3:56 pm)
[PATCH 19/24] i386: remove temporary DO_TRAP macros, expandi..., , (Tue Sep 9, 3:56 pm)
[PATCH 20/24] i386: add TRACE_IRQS_OFF to entry_32.S in 'err..., , (Tue Sep 9, 3:56 pm)
[PATCH 21/24] i386: add TRACE_IRQS_OFF for exception 1 (debug), , (Tue Sep 9, 3:56 pm)
[PATCH 22/24] i386: add TRACE_IRQS_OFF for the nmi, , (Tue Sep 9, 3:56 pm)
[PATCH 23/24] i386: add TRACE_IRQS_OFF for the exception 3 (..., , (Tue Sep 9, 3:56 pm)
[PATCH 24/24] i386: trace_hardirqs_fixup should now not be n..., , (Tue Sep 9, 3:56 pm)