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Message-Id: <1222430588-29072-6-git-send-email-heukelum@fastmail.fm>
Date: Fri, 26 Sep 2008 14:03:06 +0200
From: Alexander van Heukelum <heukelum@...tmail.fm>
To: Ingo Molnar <mingo@...e.hu>, lkml <linux-kernel@...r.kernel.org>
Cc: Alexander van Heukelum <heukelum@...tmail.fm>
Subject: [PATCH 5/7] traps: x86_64: remove trace_hardirqs_fixup from debug handler
All exceptions are taken via interrupt gates. TRACE_IRQS_OFF
is called just before entering the C code, so the irq state
is known to the irq tracer at this point. No need to call
trace_hardirqs_fixup.
Signed-off-by: Alexander van Heukelum <heukelum@...tmail.fm>
---
arch/x86/kernel/traps_64.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index 2ff759e..c5fb747 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -895,8 +895,6 @@ asmlinkage void __kprobes do_debug(struct pt_regs * regs,
unsigned long condition;
siginfo_t info;
- trace_hardirqs_fixup();
-
get_debugreg(condition, 6);
/*
--
1.5.4.3
--
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