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Subject[PATCH] ia64: Enable SWIOTLB only when needed
Don't force CONFIG_SWIOTLB on when not actually needed (i.e. HP_ZX1 and
SGI_SN2).

Signed-off-by: Jan Beulich <jbeulich@novell.com>

--- linux-2.6.20-rc3/arch/ia64/Kconfig 2007-01-02 15:41:38.000000000 +0100
+++ 2.6.20-rc3-ia64-swiotlb-opt/arch/ia64/Kconfig 2006-12-22 16:44:57.000000000 +0100
@@ -28,7 +28,6 @@ config MMU

config SWIOTLB
bool
- default y

config RWSEM_XCHGADD_ALGORITHM
bool
@@ -88,6 +87,7 @@ config IA64_GENERIC
select PCI
select NUMA
select ACPI_NUMA
+ select SWIOTLB
help
This selects the system type of your hardware. A "generic" kernel
will run on any supported IA-64 system. However, if you configure
@@ -104,6 +104,7 @@ config IA64_GENERIC

config IA64_DIG
bool "DIG-compliant"
+ select SWIOTLB

config IA64_HP_ZX1
bool "HP-zx1/sx1000"
@@ -113,6 +114,7 @@ config IA64_HP_ZX1

config IA64_HP_ZX1_SWIOTLB
bool "HP-zx1/sx1000 with software I/O TLB"
+ select SWIOTLB
help
Build a kernel that runs on HP zx1 and sx1000 systems even when they
have broken PCI devices which cannot DMA to full 32 bits. Apart
@@ -131,6 +133,7 @@ config IA64_SGI_SN2

config IA64_HP_SIM
bool "Ski-simulator"
+ select SWIOTLB

endchoice

-
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