Messages in this thread | | | Date | Fri, 27 Jan 2012 12:27:05 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 1/5] x86/jump-label: Use best default nops for inital jump label calls |
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On 01/27/2012 12:14 PM, Steven Rostedt wrote: > > #define JUMP_LABEL_NOP_SIZE 5 > > -#define JUMP_LABEL_INITIAL_NOP ".byte 0xe9 \n\t .long 0\n\t" > +#ifdef CONFIG_X86_64 +# define JUMP_LABEL_INIT_NOP P6_NOP5 +#else > +# define JUMP_LABEL_INIT_NOP 0x3e, 0x8d, 0x74, 0x26, 0x00 +#endif >
Why not just use ASM_NOP5_ATOMIC since you have configuration available here?
-hpa
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