diff options
author | Ard Biesheuvel <ardb@kernel.org> | 2024-10-09 18:04:41 +0200 |
---|---|---|
committer | Juergen Gross <jgross@suse.com> | 2024-10-29 17:23:32 +0100 |
commit | bb12f48cd150666b96858443e0fc26e92bb7e498 (patch) | |
tree | de66b64e1f4f3c31b2e346fdde5416eb95486564 /arch | |
parent | e8fbc0d9cab6c1ee6403f42c0991b0c1d5dbc092 (diff) |
x86/pvh: Use correct size value in GDT descriptor
The limit field in a GDT descriptor is an inclusive bound, and therefore
one less than the size of the covered range.
Reviewed-by: Jason Andryuk <jason.andryuk@amd.com>
Tested-by: Jason Andryuk <jason.andryuk@amd.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Message-ID: <20241009160438.3884381-9-ardb+git@google.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/platform/pvh/head.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/platform/pvh/head.S b/arch/x86/platform/pvh/head.S index ce4fd8d33da4..5a196fb3ebd8 100644 --- a/arch/x86/platform/pvh/head.S +++ b/arch/x86/platform/pvh/head.S @@ -224,7 +224,7 @@ SYM_CODE_END(pvh_start_xen) .section ".init.data","aw" .balign 8 SYM_DATA_START_LOCAL(gdt) - .word gdt_end - gdt_start + .word gdt_end - gdt_start - 1 .long _pa(gdt_start) /* x86-64 will overwrite if relocated. */ .word 0 SYM_DATA_END(gdt) |