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x86/sev-es: Handle #AC Events
authorJoerg Roedel <jroedel@suse.de>
Mon, 7 Sep 2020 13:16:01 +0000 (15:16 +0200)
committerBorislav Petkov <bp@suse.de>
Wed, 9 Sep 2020 09:33:20 +0000 (11:33 +0200)
commita2d0171a9cf59637411281a929900fde80e6c1cb
tree5aba35e4a0bacc056d6671c445e97e71d818e364tree | snapshot
parent2eb7dcf0ccc40ad3f39b000becf16661abf98102commit | diff
x86/sev-es: Handle #AC Events

Implement a handler for #VC exceptions caused by #AC exceptions. The
#AC exception is just forwarded to do_alignment_check() and not pushed
down to the hypervisor, as requested by the SEV-ES GHCB Standardization
Specification.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-61-joro@8bytes.org
arch/x86/kernel/sev-es.c diff | blob | history
Domain: System / Kernel;