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(parent: a39b6ac) | patch
x86/sev: Do the C-bit verification only on the BSP
authorBorislav Petkov (AMD) <bp@alien8.de>
Thu, 30 Nov 2023 13:26:01 +0000 (14:26 +0100)
committerBorislav Petkov (AMD) <bp@alien8.de>
Wed, 13 Dec 2023 20:07:56 +0000 (21:07 +0100)
commit30579c8baa5b4bd986420a984dad2940f1ff65d3
tree2d7f9f091faf187eabb9b9823394e3f8f95561c2tree | snapshot
parenta39b6ac3781d46ba18193c9dbb2110f31e9bffe9commit | diff
x86/sev: Do the C-bit verification only on the BSP

There's no need to do it on every AP.

The C-bit value read on the BSP and also verified there, is used
everywhere from now on.

No functional changes - just a bit faster booting APs.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20231130132601.10317-1-bp@alien8.de
arch/x86/kernel/head_64.S diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git