Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Fix G5 DART (IOMMU) race causing occasional data corruption
  [POWERPC] Fix MMIO ops to provide expected barrier behaviour
  [POWERPC] Fix interrupt clearing in kdump shutdown sequence
  [POWERPC] update prep_defconfig
  [POWERPC] kdump: Support kernels having 64k page size.
  [POWERPC] Implement PowerPC futex_atomic_cmpxchg_inatomic().
  [POWERPC] Add new, missing argument to of_irq_map_raw() for 86xx.
  [POWERPC] Update defconfigs

1 files changed, 3 insertions, 0 deletions

diff --git a/include/asm-powerpc/eeh.h b/include/asm-powerpc/eeh.h
index 4df3e80118f4..6a784396660b 100644
--- a/include/asm-powerpc/eeh.h
+++ b/include/asm-powerpc/eeh.h
@@ -205,6 +205,7 @@ static inline void eeh_memset_io(volatile void __iomem *addr, int c,
         lc |= lc << 8;
         lc |= lc << 16;
 
+        __asm__ __volatile__ ("sync" : : : "memory");
         while(n && !EEH_CHECK_ALIGN(p, 4)) {
                 *((volatile u8 *)p) = c;
                 p++;
@@ -229,6 +230,7 @@ static inline void eeh_memcpy_fromio(void *dest, const volatile void __iomem *sr
         void *destsave = dest;
         unsigned long nsave = n;
 
+        __asm__ __volatile__ ("sync" : : : "memory");
         while(n && (!EEH_CHECK_ALIGN(vsrc, 4) || !EEH_CHECK_ALIGN(dest, 4))) {
                 *((u8 *)dest) = *((volatile u8 *)vsrc);
                 __asm__ __volatile__ ("eieio" : : : "memory");
@@ -266,6 +268,7 @@ static inline void eeh_memcpy_toio(volatile void __iomem *dest, const void *src,
 {
         void *vdest = (void __force *) dest;
 
+        __asm__ __volatile__ ("sync" : : : "memory");
         while(n && (!EEH_CHECK_ALIGN(vdest, 4) || !EEH_CHECK_ALIGN(src, 4))) {
                 *((volatile u8 *)vdest) = *((u8 *)src);
                 src++;