Messages in this thread | | | Date | Wed, 8 Feb 2023 22:01:11 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v3 3/4] x86/alternative: Rewrite optimize_nops() some |
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On Wed, Feb 08, 2023 at 09:44:04PM +0100, Peter Zijlstra wrote:
> Works as advertised. Next up are 8 12 byte nopes and 8 13 byte nops, > after that we're left with:
Yeah, we can ignore those, those are the retpoline thunks being patched. They should be totally unused. These NOPs are after an indirect jmp and as such pure speculation food.
Arguably I should just merge that patch that turns them into UD2 -- funneling and all that.
But there was some i386 issues... oh well.
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