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Subject[PATCH v11 03/11] x86: relocate_kernel - Adapt assembly for PIE support
Date
Change the assembly code to use only absolute references of symbols for the
kernel to be PIE compatible.

Signed-off-by: Thomas Garnier <thgarnie@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
---
arch/x86/kernel/relocate_kernel_64.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
index ef3ba99068d3..c294339df5ef 100644
--- a/arch/x86/kernel/relocate_kernel_64.S
+++ b/arch/x86/kernel/relocate_kernel_64.S
@@ -206,7 +206,7 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
movq %rax, %cr3
lea PAGE_SIZE(%r8), %rsp
call swap_pages
- movq $virtual_mapped, %rax
+ movabsq $virtual_mapped, %rax
pushq %rax
ret
SYM_CODE_END(identity_mapped)
--
2.25.1.481.gfbce0eb801-goog
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