diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-13 08:01:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-13 08:01:41 -0700 |
| commit | 63b98080daa35f0d682db04f4fb7ada010888752 (patch) | |
| tree | 213e124c89a51bbb99dd8e07fb6eacc970bbdc99 /arch/powerpc/sysdev | |
| parent | 1883c5aba9973331e3ff0050e05707fe8e84fe0d (diff) | |
| parent | eeac5c142b8687e35780b11b54b4c2f95b1a2436 (diff) | |
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
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/dart_iommu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index e32fadde1f7..03b4477dd7f 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -139,6 +139,7 @@ wait_more: static void dart_flush(struct iommu_table *tbl) { + mb(); if (dart_dirty) { dart_tlb_invalidate_all(); dart_dirty = 0; @@ -172,9 +173,13 @@ static void dart_build(struct iommu_table *tbl, long index, uaddr += DART_PAGE_SIZE; } + /* make sure all updates have reached memory */ + mb(); + in_be32((unsigned __iomem *)dp); + mb(); + if (dart_is_u4) { rpn = index; - mb(); /* make sure all updates have reached memory */ while (npages--) dart_tlb_invalidate_one(rpn++); } else { |