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authorH. Peter Anvin <hpa@linux.intel.com>2011-04-19 00:19:51 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2011-04-19 01:40:21 +0200
commitdc326fca2b640fc41aed7c015d0f456935a66255 (patch)
tree9181ef9c416e8fba822d75b53155c896b3900e72 /arch/x86/include/asm/alternative.h
parentx86, percpu: Use ASM_NOP4 instead of hardcoding P6_NOP4 (diff)
downloadlinux-dc326fca2b640fc41aed7c015d0f456935a66255.tar.xz
linux-dc326fca2b640fc41aed7c015d0f456935a66255.zip
x86, cpu: Clean up and unify the NOP selection infrastructure
Clean up and unify the NOP selection infrastructure: - Make the atomic 5-byte NOP a part of the selection system. - Pick NOPs once during early boot and then be done with it. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Tejun Heo <tj@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jason Baron <jbaron@redhat.com> Link: http://lkml.kernel.org/r/1303166160-10315-3-git-send-email-hpa@linux.intel.com
Diffstat (limited to 'arch/x86/include/asm/alternative.h')
-rw-r--r--arch/x86/include/asm/alternative.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 13009d1af99a..7da168225a9d 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -191,12 +191,4 @@ extern void *text_poke(void *addr, const void *opcode, size_t len);
extern void *text_poke_smp(void *addr, const void *opcode, size_t len);
extern void text_poke_smp_batch(struct text_poke_param *params, int n);
-#if defined(CONFIG_DYNAMIC_FTRACE) || defined(HAVE_JUMP_LABEL)
-#define IDEAL_NOP_SIZE_5 5
-extern unsigned char ideal_nop5[IDEAL_NOP_SIZE_5];
-extern void arch_init_ideal_nop5(void);
-#else
-static inline void arch_init_ideal_nop5(void) {}
-#endif
-
#endif /* _ASM_X86_ALTERNATIVE_H */