lkml.org 
[lkml]   [2011]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
Subject[PATCH 1/8] drivers/random: Cache align ip_random better
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


\
 
 \ /
  Last update: 2011-03-16 03:31    [W:0.397 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site