xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

crypto: caam - set descriptor sharing type to SERIAL

Browse Source 
SHARE_WAIT, whilst more optimal for association-less crypto,
has the ability to start thrashing the CCB descriptor/key
caches, given high levels of traffic across multiple security
associations (and thus keys).

Switch to using the SERIAL sharing type, which prefers
the last used CCB for the SA.  On a 2-DECO platform
such as the P3041, this can improve performance by
about 3.7%.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kim Phillips
2012-07-13 17:49:28 -05:00
committed by Herbert Xu
parent 95bcaa3905
commit 61bb86bba1
3 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/crypto/caam/caamrng.c
View File

@@ -193,7 +193,7 @@ static inline void rng_create_sh_desc(struct caam_rng_ctx *ctx)
struct device *jrdev = ctx->jrdev;
u32 *desc = ctx->sh_desc;
init_sh_desc(desc, HDR_SHARE_WAIT);
init_sh_desc(desc, HDR_SHARE_SERIAL);
/* Propagate errors from shared to job descriptor */
append_cmd(desc, SET_OK_NO_PROP_ERRORS | CMD_LOAD);