Re: [PATCH] x86: Align jump targets to 1 byte boundaries

From: Borislav Petkov
Date: Fri Apr 10 2015 - 09:58:23 EST

On Fri, Apr 10, 2015 at 02:08:46PM +0200, Ingo Molnar wrote:
> Now, the usual justification for jump target alignment is the
> following: with 16 byte instruction-cache cacheline sizes, if a

You mean 64 bytes?

Cacheline size on modern x86 is 64 bytes. The 16 alignment is probably
some branch predictor stride thing.


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