diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/080-wireguard-0064-crypto-poly1305-x86_64-Use-XORL-r32-32.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/080-wireguard-0064-crypto-poly1305-x86_64-Use-XORL-r32-32.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/target/linux/generic/backport-5.4/080-wireguard-0064-crypto-poly1305-x86_64-Use-XORL-r32-32.patch b/target/linux/generic/backport-5.4/080-wireguard-0064-crypto-poly1305-x86_64-Use-XORL-r32-32.patch deleted file mode 100644 index 4fcaa1eb75..0000000000 --- a/target/linux/generic/backport-5.4/080-wireguard-0064-crypto-poly1305-x86_64-Use-XORL-r32-32.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 -From: Uros Bizjak <ubizjak@gmail.com> -Date: Thu, 27 Aug 2020 19:38:31 +0200 -Subject: [PATCH] crypto: poly1305-x86_64 - Use XORL r32,32 - -commit 7dfd1e01b3dfc13431b1b25720cf2692a7e111ef upstream. - -x86_64 zero extends 32bit operations, so for 64bit operands, -XORL r32,r32 is functionally equal to XORQ r64,r64, but avoids -a REX prefix byte when legacy registers are used. - -Signed-off-by: Uros Bizjak <ubizjak@gmail.com> -Cc: Herbert Xu <herbert@gondor.apana.org.au> -Cc: "David S. Miller" <davem@davemloft.net> -Acked-by: Jason A. Donenfeld <Jason@zx2c4.com> -Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> -Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> ---- - arch/x86/crypto/poly1305-x86_64-cryptogams.pl | 8 ++++---- - 1 file changed, 4 insertions(+), 4 deletions(-) - ---- a/arch/x86/crypto/poly1305-x86_64-cryptogams.pl -+++ b/arch/x86/crypto/poly1305-x86_64-cryptogams.pl -@@ -246,7 +246,7 @@ $code.=<<___ if (!$kernel); - ___ - &declare_function("poly1305_init_x86_64", 32, 3); - $code.=<<___; -- xor %rax,%rax -+ xor %eax,%eax - mov %rax,0($ctx) # initialize hash value - mov %rax,8($ctx) - mov %rax,16($ctx) -@@ -2869,7 +2869,7 @@ $code.=<<___; - .type poly1305_init_base2_44,\@function,3 - .align 32 - poly1305_init_base2_44: -- xor %rax,%rax -+ xor %eax,%eax - mov %rax,0($ctx) # initialize hash value - mov %rax,8($ctx) - mov %rax,16($ctx) -@@ -3963,7 +3963,7 @@ xor128_decrypt_n_pad: - mov \$16,$len - sub %r10,$len - xor %eax,%eax -- xor %r11,%r11 -+ xor %r11d,%r11d - .Loop_dec_byte: - mov ($inp,$otp),%r11b - mov ($otp),%al -@@ -4101,7 +4101,7 @@ avx_handler: - .long 0xa548f3fc # cld; rep movsq - - mov $disp,%rsi -- xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER -+ xor %ecx,%ecx # arg1, UNW_FLAG_NHANDLER - mov 8(%rsi),%rdx # arg2, disp->ImageBase - mov 0(%rsi),%r8 # arg3, disp->ControlPc - mov 16(%rsi),%r9 # arg4, disp->FunctionEntry |