Commit bb12f48c authored by Ard Biesheuvel's avatar Ard Biesheuvel Committed by Juergen Gross
Browse files

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: default avatarJason Andryuk <jason.andryuk@amd.com>
Tested-by: default avatarJason Andryuk <jason.andryuk@amd.com>
Signed-off-by: default avatarArd Biesheuvel <ardb@kernel.org>
Message-ID: <20241009160438.3884381-9-ardb+git@google.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent e8fbc0d9

arch/x86/platform/pvh/head.S

+1 −1
Original line number Diff line number Diff line
@@ -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)