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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-02-12 17:22:49 -0800
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2010-10-18 10:40:30 -0400
commit7b586d71858091f0958e5808b7e3d5390c2ae47d (patch)
tree6184c500731aad975103d8c87c5ee9ed18977040 /arch/x86/include/asm/io_apic.h
parentd46a78b05c0e37f76ddf4a7a67bf0b6c68bada55 (diff)
downloadop-kernel-dev-7b586d71858091f0958e5808b7e3d5390c2ae47d.zip
op-kernel-dev-7b586d71858091f0958e5808b7e3d5390c2ae47d.tar.gz
x86/io_apic: add get_nr_irqs_gsi()
Impact: new interface to get max GSI Add get_nr_irqs_gsi() to return nr_irqs_gsi. Xen will use this to determine how many irqs it needs to reserve for hardware irqs. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: "H. Peter Anvin" <hpa@zytor.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: x86@kernel.org Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/x86/include/asm/io_apic.h')
-rw-r--r--arch/x86/include/asm/io_apic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index c8be456..a6b28d0 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -169,6 +169,7 @@ extern void mask_IO_APIC_setup(struct IO_APIC_route_entry **ioapic_entries);
extern int restore_IO_APIC_setup(struct IO_APIC_route_entry **ioapic_entries);
extern void probe_nr_irqs_gsi(void);
+extern int get_nr_irqs_gsi(void);
extern void setup_ioapic_ids_from_mpc(void);
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