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[v2,09/13] crypto: x86/ghash - Use RIP-relative addressing

Message ID 20230412110035.361447-10-ardb@kernel.org (mailing list archive)
State Accepted
Delegated to: Herbert Xu
Headers show
Series crypto: x86 - avoid absolute references | expand

Commit Message

Ard Biesheuvel April 12, 2023, 11 a.m. UTC 
Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 arch/x86/crypto/ghash-clmulni-intel_asm.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S
index 257ed9446f3ee1a9..99cb983ded9e369f 100644
--- a/arch/x86/crypto/ghash-clmulni-intel_asm.S
+++ b/arch/x86/crypto/ghash-clmulni-intel_asm.S
@@ -93,7 +93,7 @@  SYM_FUNC_START(clmul_ghash_mul)
 	FRAME_BEGIN
 	movups (%rdi), DATA
 	movups (%rsi), SHASH
-	movaps .Lbswap_mask, BSWAP
+	movaps .Lbswap_mask(%rip), BSWAP
 	pshufb BSWAP, DATA
 	call __clmul_gf128mul_ble
 	pshufb BSWAP, DATA
@@ -110,7 +110,7 @@  SYM_FUNC_START(clmul_ghash_update)
 	FRAME_BEGIN
 	cmp $16, %rdx
 	jb .Lupdate_just_ret	# check length
-	movaps .Lbswap_mask, BSWAP
+	movaps .Lbswap_mask(%rip), BSWAP
 	movups (%rdi), DATA
 	movups (%rcx), SHASH
 	pshufb BSWAP, DATA