From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: akpm@linux-foundation.org, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
Andi Kleen <andi@firstfloor.org>,
ananth@in.ibm.com, anil.s.keshavamurthy@intel.com,
davem@davemloft.net, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Subject: [patch 11/26] Text Edit Lock - kprobes x86
Date: Thu, 24 Jan 2008 15:27:17 -0500 [thread overview]
Message-ID: <20080124203336.689763652@polymtl.ca> (raw)
In-Reply-To: 20080124202706.250598537@polymtl.ca
[-- Attachment #1: text-edit-lock-kprobes-x86.patch --]
[-- Type: text/plain, Size: 1432 bytes --]
Make kprobes use INIT_ARRAY().
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Tested-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
CC: Andi Kleen <andi@firstfloor.org>
CC: ananth@in.ibm.com
CC: anil.s.keshavamurthy@intel.com
CC: davem@davemloft.net
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@redhat.com>
CC: H. Peter Anvin <hpa@zytor.com>
---
arch/x86/kernel/kprobes.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
Index: linux-2.6-lttng.mm/arch/x86/kernel/kprobes.c
===================================================================
--- linux-2.6-lttng.mm.orig/arch/x86/kernel/kprobes.c 2008-01-24 14:27:04.000000000 -0500
+++ linux-2.6-lttng.mm/arch/x86/kernel/kprobes.c 2008-01-24 14:27:47.000000000 -0500
@@ -366,12 +366,13 @@ int __kprobes arch_prepare_kprobe(struct
void __kprobes arch_arm_kprobe(struct kprobe *p)
{
- text_poke(p->addr, ((unsigned char []){BREAKPOINT_INSTRUCTION}), 1);
+ text_poke(p->addr, INIT_ARRAY(unsigned char, BREAKPOINT_INSTRUCTION, 1),
+ 1);
}
void __kprobes arch_disarm_kprobe(struct kprobe *p)
{
- text_poke(p->addr, &p->opcode, 1);
+ text_poke(p->addr, INIT_ARRAY(unsigned char, p->opcode, 1), 1);
}
void __kprobes arch_remove_kprobe(struct kprobe *p)
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2008-01-24 20:39 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-24 20:27 [patch 00/26] Instrumentation Support Enhancement (2.6.24-rc8-mm1) Mathieu Desnoyers
2008-01-24 20:27 ` [patch 01/26] Linux Kernel Markers Support for Proprierary Modules Mathieu Desnoyers
2008-01-24 22:19 ` Jon Masters
2008-01-24 20:27 ` [patch 02/26] Fix ARM to play nicely with generic Instrumentation menu Mathieu Desnoyers
2008-01-24 21:13 ` Russell King
2008-01-24 21:23 ` Mathieu Desnoyers
2008-01-24 22:17 ` Russell King
2008-01-24 20:27 ` [patch 03/26] Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig Mathieu Desnoyers
2008-01-24 21:00 ` Randy Dunlap
2008-01-24 21:05 ` Mathieu Desnoyers
2008-01-24 22:03 ` Mathieu Desnoyers
2008-01-24 23:05 ` Haavard Skinnemoen
2008-01-24 20:27 ` [patch 04/26] Kprobes - use a mutex to protect the instruction pages list Mathieu Desnoyers
2008-01-24 20:27 ` [patch 05/26] Kprobes - do not use kprobes mutex in arch code Mathieu Desnoyers
2008-01-24 20:27 ` [patch 06/26] Kprobes - declare kprobe_mutex static Mathieu Desnoyers
2008-01-24 20:27 ` [patch 07/26] Add INIT_ARRAY() to kernel.h Mathieu Desnoyers
2008-01-24 20:39 ` Jan Engelhardt
2008-01-24 20:54 ` [patch 07/26] Add INIT_ARRAY() to kernel.h (updated) Mathieu Desnoyers
2008-01-24 21:08 ` Jan Engelhardt
2008-01-24 21:18 ` Mathieu Desnoyers
2008-01-24 20:58 ` [patch 07/26] Add INIT_ARRAY() to kernel.h Randy Dunlap
2008-01-24 21:04 ` Mathieu Desnoyers
2008-01-24 22:02 ` Stefan Richter
2008-01-24 22:10 ` [patch 07/26] Add INIT_ARRAY() to kernel.h (update 2) Mathieu Desnoyers
2008-01-24 22:50 ` Alexey Dobriyan
2008-01-24 23:04 ` [patch 07/26] Add INIT_ARRAY() to kernel.h H. Peter Anvin
2008-01-25 13:14 ` Mathieu Desnoyers
2008-01-25 8:03 ` Jan Engelhardt
2008-01-24 23:03 ` H. Peter Anvin
2008-01-24 20:27 ` [patch 08/26] Text Edit Lock - Architecture Independent Code Mathieu Desnoyers
2008-01-24 20:27 ` [patch 09/26] Text Edit Lock - Alternative code for x86 Mathieu Desnoyers
2008-01-24 20:27 ` [patch 10/26] Text Edit Lock - kprobes architecture independent support Mathieu Desnoyers
2008-01-24 20:27 ` Mathieu Desnoyers [this message]
2008-01-24 20:27 ` [patch 12/26] Text Edit Lock - x86_32 standardize debug rodata Mathieu Desnoyers
2008-01-24 20:27 ` [patch 13/26] Text Edit Lock - x86_64 " Mathieu Desnoyers
2008-01-24 20:27 ` [patch 14/26] Immediate Values - Architecture Independent Code Mathieu Desnoyers
2008-01-24 20:27 ` [patch 15/26] Immediate Values - Kconfig menu in EMBEDDED Mathieu Desnoyers
2008-01-24 20:27 ` [patch 16/26] Immediate Values - x86 Optimization Mathieu Desnoyers
2008-01-24 20:27 ` [patch 17/26] Add text_poke and sync_core to powerpc Mathieu Desnoyers
2008-01-24 20:27 ` [patch 18/26] Immediate Values - Powerpc Optimization Mathieu Desnoyers
2008-01-24 20:27 ` [patch 19/26] Immediate Values - Documentation Mathieu Desnoyers
2008-01-24 20:27 ` [patch 20/26] Scheduler Profiling - Use Immediate Values Mathieu Desnoyers
2008-01-24 20:27 ` [patch 21/26] Immediate Values - Move Kprobes x86 restore_interrupt to kdebug.h Mathieu Desnoyers
2008-01-24 20:27 ` [patch 22/26] Add __discard section to x86 Mathieu Desnoyers
2008-01-24 20:27 ` [patch 23/26] Immediate Values - x86 Optimization NMI and MCE support Mathieu Desnoyers
2008-01-24 20:27 ` [patch 24/26] Immediate Values - Powerpc Optimization NMI " Mathieu Desnoyers
2008-01-24 20:27 ` [patch 25/26] Immediate Values Use Arch NMI and MCE Support Mathieu Desnoyers
2008-01-24 20:27 ` [patch 26/26] Linux Kernel Markers - Use Immediate Values Mathieu Desnoyers
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