[PATCH 2/5] x86/pvh: Use correct size value in GDT descriptor

[Ard Biesheuvel <ardb+git@xxxxxxxxxx>]

From: Ard Biesheuvel <ardb@xxxxxxxxxx>

The size field in a GDT descriptor is offset by 1, so subtract 1 from
the calculated range.

Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
---
 arch/x86/platform/pvh/head.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/platform/pvh/head.S b/arch/x86/platform/pvh/head.S
index 98ddd552885a..f09e0fb832e4 100644
--- a/arch/x86/platform/pvh/head.S
+++ b/arch/x86/platform/pvh/head.S
@@ -223,7 +223,7 @@ 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)
-- 
2.46.0.792.g87dc391469-goog