crypto: x86/ghash - Use RIP-relative addressing

Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S
index 257ed94..99cb983 100644 (file)
--- 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