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authorYinghai Lu <yinghai@kernel.org>2008-12-05 18:58:33 -0800
committerIngo Molnar <mingo@elte.hu>2008-12-08 14:31:54 +0100
commitbe5d5350a937cd8513b258739f1099420129e96f (patch)
tree9864a69da06dff2b4e0973d41d440c9d73fbc117 /arch/x86/include
parent99d093d12897562a253540a902bbf65ec16042ac (diff)
x86: MSI start irq numbering from nr_irqs_gsi
Impact: sanitize MSI irq number ordering from top-down to bottom-up Increase new MSI IRQs starting from nr_irqs_gsi (which is somewhere below 256), instead of decreasing from NR_IRQS. (The latter method can result in confusingly high IRQ numbers - if NR_CPUS is set to a high value and NR_IRQS scales up to a high value.) Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/io_apic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 6afd9933a7d..b35e94c2d6d 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -188,7 +188,7 @@ extern void restore_IO_APIC_setup(void);
extern void reinit_intr_remapped_IO_APIC(int);
#endif
-extern int probe_nr_irqs(void);
+extern void probe_nr_irqs_gsi(void);
#else /* !CONFIG_X86_IO_APIC */
#define io_apic_assign_pci_irqs 0