diff options
| author |   Jim Kukunas <james.t.kukunas@linux.intel.com> | 2012-11-08 13:47:44 -0800 |
|---|---|---|
| committer |   NeilBrown <neilb@suse.de> | 2012-12-13 16:42:01 +1100 |
| commit | 7056741fd9fc14a65608549a4657cf5178f05f63 (patch) | |
| tree | b30504208f8261c4a0a2625169eaff9aa9de544e /include/linux/raid | |
| parent | md: Update checkpoint of resync/recovery based on time. (diff) | |
| download | linux-dev-7056741fd9fc14a65608549a4657cf5178f05f63.tar.xz linux-dev-7056741fd9fc14a65608549a4657cf5178f05f63.zip | |
lib/raid6: Add AVX2 optimized recovery functions
Optimize RAID6 recovery functions to take advantage of
the 256-bit YMM integer instructions introduced in AVX2.
The patch was tested and benchmarked before submission.
However hardware is not yet released so benchmark numbers
cannot be reported.
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'include/linux/raid')
| -rw-r--r-- | include/linux/raid/pq.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index 640c69ceec96..3156347452b9 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -109,6 +109,7 @@ struct raid6_recov_calls { extern const struct raid6_recov_calls raid6_recov_intx1; extern const struct raid6_recov_calls raid6_recov_ssse3; +extern const struct raid6_recov_calls raid6_recov_avx2; /* Algorithm list */ extern const struct raid6_calls * const raid6_algos[]; |