From: Borislav Petkov <[email protected]>
That identity_mapped() functions was loving that "1" label to the point
of completely confusing its readers.
Use named labels in each place for clarity.
No functional changes.
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Signed-off-by: Kirill A. Shutemov <[email protected]>
---
arch/x86/kernel/relocate_kernel_64.S | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
index 54e620021c7e..8b8922de3765 100644
--- a/arch/x86/kernel/relocate_kernel_64.S
+++ b/arch/x86/kernel/relocate_kernel_64.S
@@ -148,9 +148,10 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
*/
movl $X86_CR4_PAE, %eax
testq $X86_CR4_LA57, %r13
- jz 1f
+ jz .Lno_la57
orl $X86_CR4_LA57, %eax
-1:
+.Lno_la57:
+
movq %rax, %cr4
/* Flush the TLB (needed?) */
@@ -162,9 +163,9 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
* used by kexec. Flush the caches before copying the kernel.
*/
testq %r12, %r12
- jz 1f
+ jz .Lsme_off
wbinvd
-1:
+.Lsme_off:
movq %rcx, %r11
call swap_pages
@@ -184,7 +185,7 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
*/
testq %r11, %r11
- jnz 1f
+ jnz .Lrelocate
xorl %eax, %eax
xorl %ebx, %ebx
xorl %ecx, %ecx
@@ -205,7 +206,7 @@ SYM_CODE_START_LOCAL_NOALIGN(identity_mapped)
ret
int3
-1:
+.Lrelocate:
popq %rdx
leaq PAGE_SIZE(%r10), %rsp
ANNOTATE_RETPOLINE_SAFE
--
2.43.0