diff options
| author | Joerg Roedel <jroedel@suse.de> | 2021-03-10 09:43:19 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-03-18 16:44:36 +0100 |
| commit | b099155e2df7dadf8b1ad9828158b89f5639f654 (patch) | |
| tree | fcacfa3bded6ffcd9839e2c8690e20f59d973db1 /arch/x86/boot/compressed/misc.c | |
| parent | afb4a37778491eae010a43edebea32ff2d45f01c (diff) | |
| download | linux-b099155e2df7dadf8b1ad9828158b89f5639f654.tar.bz2 | |
x86/boot/compressed/64: Cleanup exception handling before booting kernel
Disable the exception handling before booting the kernel to make sure
any exceptions that happen during early kernel boot are not directed to
the pre-decompression code.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210312123824.306-2-joro@8bytes.org
Diffstat (limited to 'arch/x86/boot/compressed/misc.c')
| -rw-r--r-- | arch/x86/boot/compressed/misc.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 267e7f93050e..cc9fd0e8766a 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -443,11 +443,8 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, handle_relocations(output, output_len, virt_addr); debug_putstr("done.\nBooting the kernel.\n"); - /* - * Flush GHCB from cache and map it encrypted again when running as - * SEV-ES guest. - */ - sev_es_shutdown_ghcb(); + /* Disable exception handling before booting the kernel */ + cleanup_exception_handling(); return output; } |