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ftrace: use nops instead of jmp

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This patch patches the call to mcount with nops instead
of a jmp over the mcount call.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Steven Rostedt
2008-05-12 21:20:43 +02:00
committed by Thomas Gleixner
parent b0fc494fae
commit dfa60aba04
3 changed files with 28 additions and 18 deletions
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4
arch/x86/kernel/alternative.c
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@ -143,7 +143,7 @@ static const unsigned char *const p6_nops[ASM_NOP_MAX+1] = {
#ifdef CONFIG_X86_64
extern char __vsyscall_0;
static inline const unsigned char*const * find_nop_table(void)
const unsigned char *const *find_nop_table(void)
{
return boot_cpu_data.x86_vendor != X86_VENDOR_INTEL ||
boot_cpu_data.x86 < 6 ? k8_nops : p6_nops;
@ -162,7 +162,7 @@ static const struct nop {
{ -1, NULL }
};
static const unsigned char*const * find_nop_table(void)
const unsigned char *const *find_nop_table(void)
{
const unsigned char *const *noptable = intel_nops;
int i;