[Xen-devel] Re: [PATCH RFC V4 09/10] x86/jump_label: use GENERIC_NOP5_ATOMIC instead of jmp5 +0

["H. Peter Anvin" <hpa@xxxxxxxxx>]

On 10/12/2011 05:08 PM, Jeremy Fitzhardinge wrote:
> From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
> 
> GENERIC_NOP5_ATOMIC should make a better nop.
> 

On 32 bits, yes.  On 64 bits you should use P6_NOP5_ATOMIC.

        -hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.


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