[PATCH 11/29] x86/ibt,crypto: Add ENDBR for the jump-table entries

From: Peter Zijlstra
Date: Fri Feb 18 2022 - 12:15:09 EST



Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
arch/x86/crypto/crc32c-pcl-intel-asm_64.S | 3 +++
1 file changed, 3 insertions(+)

--- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
+++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
@@ -195,6 +195,7 @@ SYM_FUNC_START(crc_pcl)
.altmacro
LABEL crc_ %i
.noaltmacro
+ ENDBR
crc32q -i*8(block_0), crc_init
crc32q -i*8(block_1), crc1
crc32q -i*8(block_2), crc2
@@ -203,6 +204,7 @@ LABEL crc_ %i

.altmacro
LABEL crc_ %i
+ ENDBR
.noaltmacro
crc32q -i*8(block_0), crc_init
crc32q -i*8(block_1), crc1
@@ -237,6 +239,7 @@ LABEL crc_ %i
################################################################

LABEL crc_ 0
+ ENDBR
mov tmp, len
cmp $128*24, tmp
jae full_block