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SubjectRe: [PATCH 14/62] x86/boot/compressed/64: Add stage1 #VC handler
On Tue, Feb 11, 2020 at 02:23:22PM -0800, Andy Lutomirski wrote:
> On Tue, Feb 11, 2020 at 5:53 AM Joerg Roedel <> wrote:
> > +void __init no_ghcb_vc_handler(struct pt_regs *regs)
> Isn't there a second parameter: unsigned long error_code?

No, the function gets the error-code from regs->orig_ax. This particular
function only needs to check for error_code == SVM_EXIT_CPUID, as that
is the only one supported when there is no GHCB.



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