summaryrefslogtreecommitdiff
path: root/arch/x86/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b157e94637bf..600584b7a497 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -34,7 +34,6 @@ config X86
select HAVE_GENERIC_DMA_COHERENT if X86_32
select HAVE_EFFICIENT_UNALIGNED_ACCESS
select HAVE_DYN_ARRAY
- select HAVE_SPARSE_IRQ
config ARCH_DEFCONFIG
string
@@ -238,6 +237,17 @@ config SMP
If you don't know what to do here, say N.
+config HAVE_SPARSE_IRQ
+ bool "Support sparse irq numbering"
+ depends on PCI_MSI || HT_IRQ
+ default y
+ help
+ This enables support for sparse irq, esp for msi/msi-x. the irq
+ number will be bus/dev/fn + 12bit. You may need if you have lots of
+ cards supports msi-x installed.
+
+ If you don't know what to do here, say Y.
+
config X86_FIND_SMP_CONFIG
def_bool y
depends on X86_MPPARSE || X86_VOYAGER