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authorRomain Dolbeau <[email protected]>2021-04-26 21:42:42 +0200
committerGitHub <[email protected]>2021-04-26 12:42:42 -0700
commit0375465536c9790a7fb3e1ac94412fef91076e3f (patch)
tree86f621b18bd8becda02e5492450422763088790b /module/zcommon
parentf9bece92e24bbb679232085e41c4ddf5b74ccaa4 (diff)
Fix AVX512BW Fletcher code on AVX512-but-not-BW machines
Introduce a specific valid function for avx512f+avx512bw (instead of checking only for avx512f). Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Adam Moss <[email protected]> Signed-off-by: Romain Dolbeau <[email protected]> Closes #11937 Closes #11938
Diffstat (limited to 'module/zcommon')
-rw-r--r--module/zcommon/zfs_fletcher_avx512.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/module/zcommon/zfs_fletcher_avx512.c b/module/zcommon/zfs_fletcher_avx512.c
index 300ec4c1f..963f089b0 100644
--- a/module/zcommon/zfs_fletcher_avx512.c
+++ b/module/zcommon/zfs_fletcher_avx512.c
@@ -210,6 +210,12 @@ fletcher_4_avx512bw_byteswap(fletcher_4_ctx_t *ctx, const void *buf,
}
STACK_FRAME_NON_STANDARD(fletcher_4_avx512bw_byteswap);
+static boolean_t
+fletcher_4_avx512bw_valid(void)
+{
+ return (fletcher_4_avx512f_valid() && zfs_avx512bw_available());
+}
+
const fletcher_4_ops_t fletcher_4_avx512bw_ops = {
.init_native = fletcher_4_avx512f_init,
.fini_native = fletcher_4_avx512f_fini,
@@ -217,7 +223,7 @@ const fletcher_4_ops_t fletcher_4_avx512bw_ops = {
.init_byteswap = fletcher_4_avx512f_init,
.fini_byteswap = fletcher_4_avx512f_fini,
.compute_byteswap = fletcher_4_avx512bw_byteswap,
- .valid = fletcher_4_avx512f_valid,
+ .valid = fletcher_4_avx512bw_valid,
.name = "avx512bw"
};
#endif