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71 lines
2.7 KiB
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From: Henrik Kretzschmar <henne@nachtwindheim.de>
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Subject: [PATCH 5/6] x86: ifdef ioapic related function out
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Date: Mon, 14 Feb 2011 11:00:11 +0100
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Lines: 29
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Message-ID: <1297677612-12405-5-git-send-email-henne@nachtwindheim.de>
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References: <1297677612-12405-1-git-send-email-henne@nachtwindheim.de>
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Cc: tglx@linutronix.de, hpa@zytor.com, x86@kernel.org, tj@kernel.org,
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yinghai@kernel.org, ak@linux.intel.com, robert.richter@amd.com,
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linux-kernel@vger.kernel.org, henne@nachtwindheim.de
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To: mingo@readhat.com
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X-From: linux-kernel-owner@vger.kernel.org Mon Feb 14 11:01:27 2011
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Return-path: <linux-kernel-owner@vger.kernel.org>
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In-Reply-To: <1297677612-12405-1-git-send-email-henne@nachtwindheim.de>
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Archived-At: <http://permalink.gmane.org/gmane.linux.kernel/1099650>
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arch_disable_smp_config() is an IO-APIC related function on x86,
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and should only be needed if SMP is enabled.
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But the IO-APIC code calls it when the parameter "noapic" is given to
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the kernel, which doesn't mean SMP is enabled.
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Anyway this fixes compilation on x86_32 UP systems with APIC and no IO-APIC.
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Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
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---
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arch/x86/kernel/apic/apic.c | 2 ++
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1 files changed, 2 insertions(+), 0 deletions(-)
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diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
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index 999c531..4998f0a 100644
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--- a/arch/x86/kernel/apic/apic.c
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+++ b/arch/x86/kernel/apic/apic.c
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@@ -1218,7 +1218,9 @@ void __cpuinit setup_local_APIC(void)
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rdtscll(tsc);
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if (disable_apic) {
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+#ifdef CONFIG_X86_IO_APIC
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arch_disable_smp_support();
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+#endif
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return;
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}
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--
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1.7.2.3
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