Commit 43358209 authored Apr 29, 2008 by Matt Mackall Committed by Linus Torvalds Apr 29, 2008

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>

parent 1c0ad3d4

drivers/char/random.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;