diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/include/asm/xor_64.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/xor_64.h')
| -rw-r--r-- | arch/x86/include/asm/xor_64.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/include/asm/xor_64.h b/arch/x86/include/asm/xor_64.h new file mode 100644 index 000000000..0307e4ec5 --- /dev/null +++ b/arch/x86/include/asm/xor_64.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_XOR_64_H +#define _ASM_X86_XOR_64_H + +static struct xor_block_template xor_block_sse = { + .name = "generic_sse", + .do_2 = xor_sse_2, + .do_3 = xor_sse_3, + .do_4 = xor_sse_4, + .do_5 = xor_sse_5, +}; + + +/* Also try the AVX routines */ +#include <asm/xor_avx.h> + +/* We force the use of the SSE xor block because it can write around L2. + We may also be able to load into the L1 only depending on how the cpu + deals with a load to a line that is being prefetched. */ +#undef XOR_TRY_TEMPLATES +#define XOR_TRY_TEMPLATES \ +do { \ + AVX_XOR_SPEED; \ + xor_speed(&xor_block_sse_pf64); \ + xor_speed(&xor_block_sse); \ +} while (0) + +#endif /* _ASM_X86_XOR_64_H */ |