Re: [PATCH v3 0/3] x86/fred: Fix SEV-ES/SNP guest boot failures

From: Borislav Petkov

Date: Wed Mar 18 2026 - 07:47:28 EST


On Wed, Mar 18, 2026 at 07:56:51AM +0000, Nikunj A Dadhania wrote:
> Dave Hansen (1):
> x86/cpu: Disable CR pinning during CPU bringup
>
> Nikunj A Dadhania (2):
> x86/cpu: Enable FSGSBASE early in cpu_init_exception_handling()
> x86/fred: Fix early boot failures on SEV-ES/SNP guests
>
> arch/x86/coco/sev/noinstr.c | 6 ++++++
> arch/x86/entry/entry_fred.c | 14 ++++++++++++
> arch/x86/kernel/cpu/common.c | 41 +++++++++++++++++++++++++++---------
> 3 files changed, 51 insertions(+), 10 deletions(-)

Looks good so far in testing, I'll hammer on it some more and then queue it
later.

Thx.

--
Regards/Gruss,
Boris.

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