Messages in this thread | | | Date | Wed, 12 Feb 2020 12:38:40 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH 14/62] x86/boot/compressed/64: Add stage1 #VC handler |
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On Tue, Feb 11, 2020 at 02:23:22PM -0800, Andy Lutomirski wrote: > On Tue, Feb 11, 2020 at 5:53 AM Joerg Roedel <joro@8bytes.org> 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.
Regards,
Joerg
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