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(parent: e04b883) | patch
x86/head/64: Load segment registers earlier
authorJoerg Roedel <jroedel@suse.de>
Mon, 7 Sep 2020 13:15:32 +0000 (15:15 +0200)
committerBorislav Petkov <bp@suse.de>
Mon, 7 Sep 2020 19:40:53 +0000 (21:40 +0200)
commit7b99819dfb60268cc1c75f83c949bc4a09221bea
tree77f448aef7f5e7fbd7d9d8344f341160caef83b2tree | snapshot
parente04b88336360e101329add0c05e5cb1cebae64fdcommit | diff
x86/head/64: Load segment registers earlier

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
arch/x86/kernel/head_64.S diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git