sparseirq: fix !SMP && !PCI_MSI && !HT_IRQ build
Ingo Molnar wrote:
>>> drivers/pci/intr_remapping.c: In function 'irq_2_iommu_alloc':
>>> drivers/pci/intr_remapping.c:72: error: 'boot_cpu_id' undeclared (first use in this function)
>>> drivers/pci/intr_remapping.c:72: error: (Each undeclared identifier is reported only once
>>> drivers/pci/intr_remapping.c:72: error: for each function it appears in.)
sparseirq should only be used with SMP for now.
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 48ac688..8943c13 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -240,7 +240,7 @@
config SPARSE_IRQ
bool "Support sparse irq numbering"
- depends on PCI_MSI || HT_IRQ
+ depends on (PCI_MSI || HT_IRQ) && SMP
default y
help
This enables support for sparse irq, esp for msi/msi-x. You may need