Messages in this thread | | | Date | Mon, 18 Jul 2022 18:10:36 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] efi/x86: use naked RET on mixed mode call wrapper |
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On Mon, Jul 18, 2022 at 10:59:18AM -0300, Thadeu Lima de Souza Cascardo wrote:
> And I think you nailed what I had in mind for using IBPB when doing firmware > calls, and perhaps this is wanted even when we ignore this naked RET here. > > There is a typo on your patch below, but I will give it a try and see if it > doesn't blow up on AMD systems without IBPB (by way of emulation).
Yeah, Boris pointed out the same. Typing is hard ;-)
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