x86/virt/sev: Drop WBINVD before setting MSR_AMD64_SYSCFG_SNP_EN

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WBINVD is required before SNP_INIT(_EX), but not before setting
MSR_AMD64_SYSCFG_SNP_EN, since the ccp driver already does its own WBINVD
before SNP_INIT (and this one would be too early for that anyway...).

Signed-off-by: Tycho Andersen (AMD) <tycho@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://patch.msgid.link/20260309180053.2389118-3-tycho@kernel.org

...

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Tycho Andersen (AMD) 2026-03-09 12:00:44 -06:00 • committed by Borislav Petkov (AMD)

parent 959d3f7565

commit 99cf1fb58e

1 changed files with 0 additions and 3 deletions

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arch/x86/virt/svm/sev.c

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