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crypto: caam - mark the hardware descriptor as cache line aligned

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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>
This commit is contained in:
Russell King 2016-08-08 18:04:47 +01:00 committed by Herbert Xu
parent 64ce56cb44
commit d7b24ed4a9
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/caam/caamhash.c
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@ -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,