Re: [PATCH V6 5/8] x86/hyperv: Add Write/Read MSR registers via ghcb page
From: Borislav Petkov
Date: Thu Sep 30 2021 - 14:33:55 EST
On Thu, Sep 30, 2021 at 01:27:20PM -0500, Tom Lendacky wrote:
> > + if ((ghcb->save.sw_exit_info_1 & 0xffffffff) == 1)
>
> Really, any non-zero value indicates an error, so this should be:
>
> if (ghcb->save.sw_exit_info_1 & 0xffffffff)
That's ok but that should be a separate patch - first patch splits the
function and second changes the functionality.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette