x86/head/64: Load segment registers earlier

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Make sure segments are properly set up before setting up an IDT and
doing anything that might cause a #VC exception. This is later needed
for early exception handling.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lkml.kernel.org/r/20200907131613.12703-32-joro@8bytes.org

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Joerg Roedel 2020-09-07 15:15:32 +02:00 • committed by Borislav Petkov

parent e04b883363

commit 7b99819dfb

1 changed files with 26 additions and 26 deletions

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arch/x86/kernel/head_64.S

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