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| author | Harvey Harrison <harvey.harrison@gmail.com> | 2008-01-30 13:32:16 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:32:16 +0100 |
| commit | 31f80e45ea26008939790b4363a4fdcff240e0d6 (patch) | |
| tree | 672186c369053d06157f19b71292dc8de099543f /arch/x86/kernel/kprobes.c | |
| parent | 9930927f36ac3e39ffa674dc23ef06f13c39cef7 (diff) | |
| download | op-kernel-dev-31f80e45ea26008939790b4363a4fdcff240e0d6.zip op-kernel-dev-31f80e45ea26008939790b4363a4fdcff240e0d6.tar.gz | |
x86: kprobes remove fix_riprel #ifdef
Move #ifdef around function definiton into the function and
unconditionally return on X86_32. Saves an ifdef from the
one callsite.
[ mingo@elte.hu: minor cleanup. ]
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/kprobes.c')
| -rw-r--r-- | arch/x86/kernel/kprobes.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index b1804e4..80bcb76 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -263,15 +263,16 @@ static int __kprobes is_IF_modifier(kprobe_opcode_t *insn) return 0; } -#ifdef CONFIG_X86_64 /* * Adjust the displacement if the instruction uses the %rip-relative * addressing mode. * If it does, Return the address of the 32-bit displacement word. * If not, return null. + * Only applicable to 64-bit x86. */ static void __kprobes fix_riprel(struct kprobe *p) { +#ifdef CONFIG_X86_64 u8 *insn = p->ainsn.insn; s64 disp; int need_modrm; @@ -335,15 +336,15 @@ static void __kprobes fix_riprel(struct kprobe *p) *(s32 *)insn = (s32) disp; } } -} #endif +} static void __kprobes arch_copy_kprobe(struct kprobe *p) { memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); -#ifdef CONFIG_X86_64 + fix_riprel(p); -#endif + if (can_boost(p->addr)) p->ainsn.boostable = 0; else |
