linux-kernel - [tip:x86/irq] x86, acpi/irq: Define gsi_end when X86_IO

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Date:	Thu, 6 May 2010 10:07:00 GMT
From:	"tip-bot for Eric W. Biederman" <ebiederm@...ssion.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	yinghai@...nel.org, tglx@...utronix.de, mingo@...e.hu,
	ebiederm@...ssion.com
Subject: [tip:x86/irq] x86, acpi/irq: Define gsi_end when X86_IO_APIC is undefined

Commit-ID:  4f47b4c9f0b711bf84adb8c27774ae80d346b628
Gitweb:     http://git.kernel.org/tip/4f47b4c9f0b711bf84adb8c27774ae80d346b628
Author:     Eric W. Biederman <ebiederm@...ssion.com>
AuthorDate: Wed, 5 May 2010 13:22:25 -0700
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 6 May 2010 08:17:51 +0200

x86, acpi/irq: Define gsi_end when X86_IO_APIC is undefined

My recent changes introducing a global gsi_end variable
failed to take into account the case of using acpi on a system
not built to support IO_APICs, causing the build to fail.

Define gsi_end to 15 when CONFIG_X86_IO_APIC is not set to avoid
compile errors.

Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
Cc: Yinghai Lu <yinghai@...nel.org>
LKML-Reference: <m1tyqm14la.fsf_-_@...s.ebiederm.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/include/asm/io_apic.h |    1 +
 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 9da192a..63cb409 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -197,6 +197,7 @@ static const int timer_through_8259 = 0;
 static inline void ioapic_init_mappings(void)	{ }
 static inline void ioapic_insert_resources(void) { }
 static inline void probe_nr_irqs_gsi(void)	{ }
+#define gsi_end (NR_IRQS_LEGACY - 1)
 static inline int mp_find_ioapic(u32 gsi) { return 0; }
 
 struct io_apic_irq_attr;
--
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