Messages in this thread Patch in this message | | | From | George Spelvin <> | Date | Sun, 13 Mar 2011 20:20:44 -0400 | Subject | [PATCH 1/8] drivers/random: Cache align ip_random better |
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Cache aligning the secret[] buffer makes copying from it infinitesimally more efficient. --- drivers/char/random.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/char/random.c b/drivers/char/random.c index 72a4fcb..4bcc4f2 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1417,8 +1417,8 @@ static __u32 twothirdsMD4Transform(__u32 const buf[4], __u32 const in[12]) #define HASH_MASK ((1 << HASH_BITS) - 1) static struct keydata { - __u32 count; /* already shifted to the final position */ __u32 secret[12]; + __u32 count; /* already shifted to the final position */ } ____cacheline_aligned ip_keydata[2]; static unsigned int ip_cnt; -- 1.7.4.1
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