Define __KERNEL_CS GDT entry as long mode (.L=1, .D=0) on 64-bit
configuration.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/boot/compressed/eboot.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 1d5093d1f319..b75c20f779ea 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -1059,8 +1059,13 @@ struct boot_params *efi_main(struct efi_config *c,
desc->p = 1;
desc->limit = 0xf;
desc->avl = 0;
- desc->l = 0;
- desc->d = SEG_OP_SIZE_32BIT;
+ if (IS_ENABLED(CONFIG_X86_64)) {
+ desc->l = 1;
+ desc->d = 0;
+ } else {
+ desc->l = 0;
+ desc->d = SEG_OP_SIZE_32BIT;
+ }
desc->g = SEG_GRANULARITY_4KB;
desc->base2 = 0x00;
desc++;
--
2.11.0
--
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