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authorIngo Molnar <mingo@elte.hu>2009-01-11 02:42:53 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 02:42:53 +0100
commit506c10f26c481b7f8ef27c1c79290f68989b2e9e (patch)
tree03de82e812f00957aa6276dac2fe51c3358e88d7 /arch/x86/include/asm/irq_vectors.h
parente1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (diff)
parentc59765042f53a79a7a65585042ff463b69cb248c (diff)
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Merge commit 'v2.6.29-rc1' into perfcounters/core
Conflicts: include/linux/kernel_stat.h
Diffstat (limited to 'arch/x86/include/asm/irq_vectors.h')
-rw-r--r--arch/x86/include/asm/irq_vectors.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index b8d277f..21a0b92 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -106,12 +106,23 @@
#define LAST_VM86_IRQ 15
#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15)
+#define NR_IRQS_LEGACY 16
+
#if defined(CONFIG_X86_IO_APIC) && !defined(CONFIG_X86_VOYAGER)
+
+#ifndef CONFIG_SPARSE_IRQ
# if NR_CPUS < MAX_IO_APICS
# define NR_IRQS (NR_VECTORS + (32 * NR_CPUS))
# else
# define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS))
# endif
+#else
+# if (8 * NR_CPUS) > (32 * MAX_IO_APICS)
+# define NR_IRQS (NR_VECTORS + (8 * NR_CPUS))
+# else
+# define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS))
+# endif
+#endif
#elif defined(CONFIG_X86_VOYAGER)