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[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>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Jan Beulich 2007-01-03 09:26:21 +00:00 committed by Tony Luck
parent 980dbfd421
commit d1598e05fa
1 changed files with 4 additions and 1 deletions
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5
arch/ia64/Kconfig
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@ -30,7 +30,6 @@ config MMU
config SWIOTLB
bool
default y
config RWSEM_XCHGADD_ALGORITHM
bool
@ -88,6 +87,7 @@ config IA64_GENERIC
bool "generic"
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