Message ID | E1a61Cp-0007mY-IJ@rmk-PC.arm.linux.org.uk (mailing list archive) |
---|---|
State | RFC |
Delegated to: | Herbert Xu |
Headers | show |
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index cf557e1291b3..0a9665140d26 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,
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> --- drivers/crypto/caam/caamhash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)