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| author | Ard Biesheuvel <ardb@kernel.org> | 2023-04-12 14:00:29 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-04-20 13:20:04 +0300 |
| commit | 3b519dc878a5d19593bbb1773abedbf39a619f66 (patch) | |
| tree | 993c26acc37676c13652cfd1614403339ae8cf35 | |
| parent | 7f8ec316480bf68d88c4ecc6a948ad1e00fafc71 (diff) | |
| download | linux-3b519dc878a5d19593bbb1773abedbf39a619f66.tar.xz | |
crypto: x86/crc32c - 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>
| -rw-r--r-- | arch/x86/crypto/crc32c-pcl-intel-asm_64.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S index ec35915f0901..5f843dce77f1 100644 --- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S +++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S @@ -168,7 +168,8 @@ continue_block: xor crc2, crc2 ## branch into array - mov jump_table(,%rax,8), %bufp + leaq jump_table(%rip), %bufp + mov (%bufp,%rax,8), %bufp JMP_NOSPEC bufp ################################################################ |