Messages in this thread | | | Date | Fri, 11 Aug 2023 18:12:25 +0200 | From | Borislav Petkov <> | Subject | Re: Hang when booting guest kernels compiled with clang after SRSO mitigations |
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On Fri, Aug 11, 2023 at 09:03:18AM -0700, Sean Christopherson wrote: > Might be the flags bug that borks KVM's fastop() emulation. If that fixes things, > my guess is that bringing APs out of WFS somehow triggers emulation.
I was just about to connect you two guys, thanks Sean!
> https://lore.kernel.org/all/20230811155255.250835-1-seanjc@google.com
Nathan, if you could test, that would be cool.
Also, Nick has another patch for -mno-shared, it probably isn't fixing yours but it would be good to test it too, just in case:
https://github.com/ClangBuiltLinux/linux/issues/1911#issuecomment-1674993796
Thx!
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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