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| author | Paul Mundt <lethal@linux-sh.org> | 2009-07-07 11:55:05 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-07-07 11:55:05 +0900 |
| commit | 2b5c0c72ea404d6b554a8284031dd78748314b9e (patch) | |
| tree | 468b7f3d8db0abe6a09ee221dce1de5de2bb8d12 /arch/x86/Kconfig | |
| parent | 2dbc8a23cc2e677422f6dea991aca4e3d31ab65f (diff) | |
| parent | dc53fffc105f68cb08ca872acd51550e89aa2e67 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh/for-2.6.31
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d1430ef6b4f..738bdc6b0f8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1913,25 +1913,26 @@ config DMAR_DEFAULT_ON recommended you say N here while the DMAR code remains experimental. -config DMAR_GFX_WA - def_bool y - prompt "Support for Graphics workaround" +config DMAR_BROKEN_GFX_WA + def_bool n + prompt "Workaround broken graphics drivers (going away soon)" depends on DMAR ---help--- Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config option permits the IOMMU driver to set a unity map for all the OS-visible memory. Hence the driver can continue - to use physical addresses for DMA. + to use physical addresses for DMA, at least until this + option is removed in the 2.6.32 kernel. config DMAR_FLOPPY_WA def_bool y depends on DMAR ---help--- - Floppy disk drivers are know to bypass DMA API calls + Floppy disk drivers are known to bypass DMA API calls thereby failing to work when IOMMU is enabled. This workaround will setup a 1:1 mapping for the first - 16M to make floppy (an ISA device) work. + 16MiB to make floppy (an ISA device) work. config INTR_REMAP bool "Support for Interrupt Remapping (EXPERIMENTAL)" |