From: Matt Mackall <mpm@selenic.com>
To: Andrew Morton <akpm@osdl.org>, "Theodore Ts'o" <tytso@mit.edu>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 1/12] random pt4: Create new rol32/ror32 bitops
Date: Fri, 21 Jan 2005 15:41:06 -0600 [thread overview]
Message-ID: <2.314297600@selenic.com> (raw)
In-Reply-To: <1.314297600@selenic.com>
Add rol32 and ror32 bitops to bitops.h
Signed-off-by: Matt Mackall <mpm@selenic.com>
Index: rnd2/drivers/char/random.c
===================================================================
--- rnd2.orig/drivers/char/random.c 2005-01-19 22:59:59.000000000 -0800
+++ rnd2/drivers/char/random.c 2005-01-20 09:18:47.000000000 -0800
@@ -374,11 +374,6 @@
static DECLARE_WAIT_QUEUE_HEAD(random_read_wait);
static DECLARE_WAIT_QUEUE_HEAD(random_write_wait);
-static inline __u32 rol32(__u32 word, int shift)
-{
- return (word << shift) | (word >> (32 - shift));
-}
-
#if 0
static int debug = 0;
module_param(debug, bool, 0644);
Index: rnd2/include/linux/bitops.h
===================================================================
--- rnd2.orig/include/linux/bitops.h 2005-01-19 22:57:54.000000000 -0800
+++ rnd2/include/linux/bitops.h 2005-01-20 09:20:24.641660815 -0800
@@ -134,4 +134,26 @@
return sizeof(w) == 4 ? generic_hweight32(w) : generic_hweight64(w);
}
+/*
+ * rol32 - rotate a 32-bit value left
+ *
+ * @word: value to rotate
+ * @shift: bits to roll
+ */
+static inline __u32 rol32(__u32 word, int shift)
+{
+ return (word << shift) | (word >> (32 - shift));
+}
+
+/*
+ * ror32 - rotate a 32-bit value right
+ *
+ * @word: value to rotate
+ * @shift: bits to roll
+ */
+static inline __u32 ror32(__u32 word, int shift)
+{
+ return (word >> shift) | (word << (32 - shift));
+}
+
#endif
next prev parent reply other threads:[~2005-01-21 22:06 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-21 21:41 [PATCH 0/12] random pt4: Moving and sharing code Matt Mackall
2005-01-21 21:41 ` Matt Mackall [this message]
2005-01-21 21:41 ` [PATCH 2/12] random pt4: Use them throughout the tree Matt Mackall
2005-01-21 21:41 ` [PATCH 3/12] random pt4: Kill the SHA variants Matt Mackall
2005-01-21 21:41 ` [PATCH 4/12] random pt4: Cleanup SHA interface Matt Mackall
2005-01-21 21:41 ` [PATCH 5/12] random pt4: Move SHA code to lib/ Matt Mackall
2005-01-21 21:41 ` [PATCH 6/12] random pt4: Replace SHA with faster version Matt Mackall
2005-01-21 21:41 ` [PATCH 7/12] random pt4: Update cryptolib to use SHA fro lib Matt Mackall
2005-01-21 21:41 ` [PATCH 8/12] random pt4: Move halfmd4 to lib Matt Mackall
2005-01-21 21:41 ` [PATCH 9/12] random pt4: Kill duplicate halfmd4 in ext3 htree Matt Mackall
2005-01-21 21:41 ` [PATCH 10/12] random pt4: Simplify and shrink syncookie code Matt Mackall
2005-01-21 21:41 ` [PATCH 11/12] random pt4: Move syncookies to net/ Matt Mackall
2005-01-21 21:41 ` [PATCH 12/12] random pt4: Move other tcp/ip bits " Matt Mackall
2005-01-26 1:33 ` [PATCH 7/12] random pt4: Update cryptolib to use SHA fro lib Lee Revell
2005-01-26 1:42 ` Matt Mackall
2005-01-25 21:07 ` [PATCH 6/12] random pt4: Replace SHA with faster version Denis Vlasenko
2005-01-25 21:14 ` Matt Mackall
2005-01-25 21:31 ` Denis Vlasenko
2005-01-25 21:50 ` [PATCH] SHA1 clarify kerneldoc Matt Mackall
2005-01-27 18:22 ` Bill Davidsen
2005-01-27 19:28 ` Matt Mackall
2005-01-25 20:49 ` [PATCH 4/12] random pt4: Cleanup SHA interface Denis Vlasenko
2005-01-25 21:01 ` Matt Mackall
2005-01-25 21:02 ` [PATCH 1/12] random pt4: Create new rol32/ror32 bitops Denis Vlasenko
-- strict thread matches above, loose matches on Subject: below --
2005-01-23 2:10 Chuck Ebbert
2005-01-23 2:45 ` Matt Mackall
2005-01-23 3:19 ` Andi Kleen
2005-01-23 4:13 ` Matt Mackall
2005-01-23 7:44 Chuck Ebbert
2005-01-24 22:16 ` H. Peter Anvin
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