linux-kernel - [tip:x86/uv] x86: UV, SGI RTC: add generic system vector, build fix on UP

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Message-ID: <tip-b2b352590d94651579e6914ecdb08d30b2cb5f19@git.kernel.org>
Date:	Thu, 5 Mar 2009 14:18:48 GMT
From:	Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	tglx@...utronix.de, sivanich@....com, mingo@...e.hu
Subject: [tip:x86/uv] x86: UV, SGI RTC: add generic system vector, build fix on UP

Commit-ID:  b2b352590d94651579e6914ecdb08d30b2cb5f19
Gitweb:     http://git.kernel.org/tip/b2b352590d94651579e6914ecdb08d30b2cb5f19
Author:     "Ingo Molnar" <mingo@...e.hu>
AuthorDate: Thu, 5 Mar 2009 15:15:44 +0100
Commit:     Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 5 Mar 2009 15:15:56 +0100

x86: UV, SGI RTC: add generic system vector, build fix on UP

Make ack_APIC_irq() build on !SMP && !APIC too.

Cc: Dimitri Sivanich <sivanich@....com>
LKML-Reference: <20090304185605.GA24419@....com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/include/asm/apic.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 4ef949c..394d177 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -379,6 +379,7 @@ static inline u32 safe_apic_wait_icr_idle(void)
 
 static inline void ack_APIC_irq(void)
 {
+#ifdef CONFIG_X86_LOCAL_APIC
 	/*
 	 * ack_APIC_irq() actually gets compiled as a single instruction
 	 * ... yummie.
@@ -386,6 +387,7 @@ static inline void ack_APIC_irq(void)
 
 	/* Docs say use 0 for future compatibility */
 	apic_write(APIC_EOI, 0);
+#endif
 }
 
 static inline unsigned default_get_apic_id(unsigned long x)
--
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