Merge tag 'mce-fix-for-3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into x86/urgent

Fix a reproducible RCU warning in the MCE code

Signed-off-by: Ingo Molnar <mingo@elte.hu>

7 files changed, 12 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index b61a9638b6fc..66d13c917bc7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 3
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 55cca1dac431..19ab7b2ea1cd 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -31,7 +31,11 @@ ifdef CONFIG_64BIT
 UTS_MACHINE     := parisc64
 CHECKFLAGS      += -D__LP64__=1 -m64
 WIDTH           := 64
+
+# FIXME: if no default set, should really try to locate dynamically
+ifeq ($(CROSS_COMPILE),)
 CROSS_COMPILE   := hppa64-linux-gnu-
+endif
 else # 32-bit
 WIDTH           :=
 endif
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 5a11ae2e9e91..db590aff874c 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -191,7 +191,7 @@ static void drain_mcelog_buffer(void)
 {
         unsigned int next, i, prev = 0;
 
-        next = rcu_dereference_check_mce(mcelog.next);
+        next = ACCESS_ONCE(mcelog.next);
 
         do {
                 struct mce *m;
diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h
index a9c46cc2db37..8c33491b21fe 100644
--- a/drivers/parisc/iommu-helpers.h
+++ b/drivers/parisc/iommu-helpers.h
@@ -1,3 +1,5 @@
+#include <linux/prefetch.h>
+
 /**
  * iommu_fill_pdir - Insert coalesced scatter/gather chunks into the I/O Pdir.
  * @ioc: The I/O Controller.
diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c
index b31a8e3841d7..d4ed9eb52657 100644
--- a/drivers/scsi/osd/osd_uld.c
+++ b/drivers/scsi/osd/osd_uld.c
@@ -69,10 +69,10 @@
 #ifndef SCSI_OSD_MAJOR
 #  define SCSI_OSD_MAJOR 260
 #endif
-#define SCSI_OSD_MAX_MINOR 64
+#define SCSI_OSD_MAX_MINOR MINORMASK
 
 static const char osd_name[] = "osd";
-static const char *osd_version_string = "open-osd 0.2.0";
+static const char *osd_version_string = "open-osd 0.2.1";
 
 MODULE_AUTHOR("Boaz Harrosh <bharrosh@panasas.com>");
 MODULE_DESCRIPTION("open-osd Upper-Layer-Driver osd.ko");
diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h
index 8a3d4fde2604..6afd7d6a9899 100644
--- a/include/asm-generic/iomap.h
+++ b/include/asm-generic/iomap.h
@@ -70,7 +70,7 @@ extern void ioport_unmap(void __iomem *);
 /* Destroy a virtual mapping cookie for a PCI BAR (memory or IO) */
 struct pci_dev;
 extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
-#else
+#elif defined(CONFIG_GENERIC_IOMAP)
 struct pci_dev;
 static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
 { }
diff --git a/include/asm-generic/pci_iomap.h b/include/asm-generic/pci_iomap.h
index e58fcf891370..ce37349860fe 100644
--- a/include/asm-generic/pci_iomap.h
+++ b/include/asm-generic/pci_iomap.h
@@ -25,7 +25,7 @@ extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port,
 #define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr))
 #endif
 
-#else
+#elif defined(CONFIG_GENERIC_PCI_IOMAP)
 static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
 {
         return NULL;