Merge branch 'linus' into timers/nohz

14 files changed, 46 insertions, 37 deletions

diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c
index a812d03879f..e8ac3f7d72d 100644
--- a/arch/m68k/bvme6000/rtc.c
+++ b/arch/m68k/bvme6000/rtc.c
@@ -10,6 +10,7 @@
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/ioport.h>
 #include <linux/capability.h>
 #include <linux/fcntl.h>
@@ -140,10 +141,14 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 
 static int rtc_open(struct inode *inode, struct file *file)
 {
-	if(rtc_status)
+	lock_kernel();
+	if(rtc_status) {
+		unlock_kernel();
 		return -EBUSY;
+	}
 
 	rtc_status = 1;
+	unlock_kernel();
 	return 0;
 }
 
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index dca50da9ffd..8e2a0f5faf5 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:41 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index c3cd5b749d2..e2d511e2a1d 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:42 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 073ae4bbe26..6e20d656ada 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:43 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index 0789ede2e9e..a0a9b30bb50 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:45 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index 3e140bf49b2..6778041de26 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:46 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index ba3a91792cb..7cd37574034 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:47 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index 4d23f99227f..0747fa3984d 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:42:31 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index 188847fed82..e7a8246840b 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:49 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 983e53d990c..ab536eb172b 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:50 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index 7707f3fb0a7..e05be687b50 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:51 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index a765f6f15d2..296340d2b31 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:53 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index 43151393749..8d3a416c92b 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc2
-# Sun May 18 14:44:54 2008
+# Linux kernel version: 2.6.26-rc4
+# Wed May 28 22:47:35 2008
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -59,7 +59,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-# CONFIG_COMPAT_BRK is not set
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index e341387787a..432a9f13b2e 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -10,6 +10,7 @@
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/ioport.h>
 #include <linux/capability.h>
 #include <linux/fcntl.h>
@@ -127,11 +128,14 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 
 static int rtc_open(struct inode *inode, struct file *file)
 {
+	lock_kernel();
 	if( !atomic_dec_and_test(&rtc_ready) )
 	{
 		atomic_inc( &rtc_ready );
+		unlock_kernel();
 		return -EBUSY;
 	}
+	unlock_kernel();
 
 	return 0;
 }