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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2016-08-08 18:04:47 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-08-09 18:47:24 +0800 |
| commit | d7b24ed4a9a4250f483f4c2fea3588828ab43af2 (patch) | |
| tree | 02d44a278baa100f4b0b293c1b4bbde6ed7a3c95 | |
| parent | 64ce56cb44f8b13df4d8f47b8ea527591a68a03b (diff) | |
crypto: caam - mark the hardware descriptor as cache line aligned
Mark the hardware descriptor as being cache line aligned; on DMA
incoherent architectures, the hardware descriptor should sit in a
separate cache line from the CPU accessed data to avoid polluting
the caches.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/caam/caamhash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 683a945e10aa..faf3d1bbcce9 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -604,7 +604,7 @@ struct ahash_edesc { int src_nents; int sec4_sg_bytes; struct sec4_sg_entry *sec4_sg; - u32 hw_desc[DESC_JOB_IO_LEN / sizeof(u32)]; + u32 hw_desc[DESC_JOB_IO_LEN / sizeof(u32)] ____cacheline_aligned; }; static inline void ahash_unmap(struct device *dev, |