random: remove cacheline alignment for locks

Earlier changes greatly reduce the number of times we grab the lock
per output byte, so we shouldn't need this particular hack any more.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/char/random.c b/drivers/char/random.c
index e52f64c..973706e 100644 (file)
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -395,7 +395,7 @@ module_param(debug, bool, 0644);
 
 struct entropy_store;
 struct entropy_store {
-       /* mostly-read data: */
+       /* read-only data: */
        struct poolinfo *poolinfo;
        __u32 *pool;
        const char *name;
@@ -403,7 +403,7 @@ struct entropy_store {
        struct entropy_store *pull;
 
        /* read-write data: */
-       spinlock_t lock ____cacheline_aligned_in_smp;
+       spinlock_t lock;
        unsigned add_ptr;
        int entropy_count;
        int input_rotate;