diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2009-08-26 17:17:51 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-08-26 17:24:28 -0700 |
| commit | b855192c08fcb14adbc5d3a7cab182022d433cca (patch) | |
| tree | 3a10cafbfbf98cafacf667eb218c71300b351bfa /arch/x86/Kconfig | |
| parent | d886c73cd4cf02a71e1650cbcb6176799d78aac1 (diff) | |
| parent | 3e0e1e9c5a327d4dba8490d83ef55c0564e6e8a7 (diff) | |
Merge branch 'x86/urgent' into x86/pat
Reason: Change to is_new_memtype_allowed() in x86/urgent
Resolved semantic conflicts in:
arch/x86/mm/pat.c
arch/x86/mm/ioremap.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8e159538219..c1e588131f4 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -24,6 +24,7 @@ config X86 select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_IDE select HAVE_OPROFILE + select HAVE_PERF_COUNTERS if (!M386 && !M486) select HAVE_IOREMAP_PROT select HAVE_KPROBES select ARCH_WANT_OPTIONAL_GPIOLIB @@ -742,7 +743,6 @@ config X86_UP_IOAPIC config X86_LOCAL_APIC def_bool y depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC - select HAVE_PERF_COUNTERS if (!M386 && !M486) config X86_IO_APIC def_bool y @@ -1917,6 +1917,18 @@ config DMAR_DEFAULT_ON recommended you say N here while the DMAR code remains experimental. +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, at least until this + option is removed in the 2.6.32 kernel. + config DMAR_FLOPPY_WA def_bool y depends on DMAR |