x86/paravirt: Allow hypervisor-specific VMMCALL handling under SEV-ES

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Add two new paravirt callbacks to provide hypervisor-specific processor
state in the GHCB and to copy state from the hypervisor back to the
processor.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-63-joro@8bytes.org

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Joerg Roedel 2020-09-07 15:16:03 +02:00 • committed by Borislav Petkov

parent cb1ad3ecea

commit f6a9f8a458

2 changed files with 27 additions and 1 deletions

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16

arch/x86/include/asm/x86_init.h

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12

arch/x86/kernel/sev-es.c

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