x86/boot/compressed/64: Don't pre-map memory in KASLR code

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With the page-fault handler in place, he identity mapping can be built
on-demand. So remove the code which manually creates the mappings and
unexport/remove the functions used for it.

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/20200907131613.12703-18-joro@8bytes.org

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Joerg Roedel 2020-09-07 15:15:18 +02:00 • committed by Borislav Petkov

parent ca0e22d4f0

commit 8570978ea0

3 changed files with 3 additions and 37 deletions

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6

arch/x86/boot/compressed/ident_map_64.c

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24

arch/x86/boot/compressed/kaslr.c

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10

arch/x86/boot/compressed/misc.h

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