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-rw-r--r--arch/x86/Kconfig13
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)"