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(parent: 6c0f74d) | patch
x86/sev: Save the negotiated GHCB version
authorBrijesh Singh <brijesh.singh@amd.com>
Wed, 9 Feb 2022 18:10:05 +0000 (12:10 -0600)
committerBorislav Petkov <bp@suse.de>
Wed, 6 Apr 2022 11:10:18 +0000 (13:10 +0200)
commit2ea29c5abbc27147c2d9e2ab5e05436aca706b65
tree157a8406acede39e6fad1c07b13589bc85648bdftree | snapshot
parent6c0f74d678c94060932683738b3e227995b363d3commit | diff
x86/sev: Save the negotiated GHCB version

The SEV-ES guest calls sev_es_negotiate_protocol() to negotiate the GHCB
protocol version before establishing the GHCB. Cache the negotiated GHCB
version so that it can be used later.

Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com>
Link: https://lore.kernel.org/r/20220307213356.2797205-12-brijesh.singh@amd.com
arch/x86/include/asm/sev.h diff | blob | history
arch/x86/kernel/sev-shared.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git