linux-kernel - [GIT PULL] core fixes

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Message-ID: <20090409153644.GA19326@elte.hu>
Date:	Thu, 9 Apr 2009 17:36:44 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [GIT PULL] core fixes

Linus,

Please pull the latest core-fixes-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git core-fixes-for-linus

 Thanks,

	Ingo

------------------>
Darren Hart (1):
      futex: comment requeue key reference semantics

Zhaolei (1):
      printk: fix wrong format string iter for printk


 kernel/futex.c |    7 ++++++-
 lib/vsprintf.c |   16 ----------------
 2 files changed, 6 insertions(+), 17 deletions(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index 6b50a02..eef8cd2 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -883,7 +883,12 @@ retry_private:
 out_unlock:
 	double_unlock_hb(hb1, hb2);
 
-	/* drop_futex_key_refs() must be called outside the spinlocks. */
+	/*
+	 * drop_futex_key_refs() must be called outside the spinlocks. During
+	 * the requeue we moved futex_q's from the hash bucket at key1 to the
+	 * one at key2 and updated their key pointer.  We no longer need to
+	 * hold the references to key1.
+	 */
 	while (--drop_count >= 0)
 		drop_futex_key_refs(&key1);
 
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index be3001f..7536ace 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1051,13 +1051,6 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
 			if (str < end)
 				*str = '%';
 			++str;
-			if (*fmt) {
-				if (str < end)
-					*str = *fmt;
-				++str;
-			} else {
-				--fmt;
-			}
 			break;
 
 		case FORMAT_TYPE_NRCHARS: {
@@ -1339,8 +1332,6 @@ do {									\
 			break;
 
 		case FORMAT_TYPE_INVALID:
-			if (!*fmt)
-				--fmt;
 			break;
 
 		case FORMAT_TYPE_NRCHARS: {
@@ -1523,13 +1514,6 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
 			if (str < end)
 				*str = '%';
 			++str;
-			if (*fmt) {
-				if (str < end)
-					*str = *fmt;
-				++str;
-			} else {
-				--fmt;
-			}
 			break;
 
 		case FORMAT_TYPE_NRCHARS:
--
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