Attachment 311830 Details for Bug 455425 – Upstream fix for this issue

[patch] Upstream fix for this issue

337 (text/plain), 3.36 KB, created by Prarit Bhargava on 2008-07-15 14:07:47 UTC

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Creator: Prarit Bhargava

Created: 2008-07-15 14:07:47 UTC

Size: 3.36 KB

patch

obsolete

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>Date:	Fri, 18 Apr 2008 17:33:51 GMT
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>From:	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
>To:	git-commits-head@vger.kernel.org
>Subject: x86: don't call MP_processor_info for disabled cpu
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>X-Git-Commit: 987dd2d4d465e80e00d6a0b16787a78aa75dd66a
>X-Git-Parent: 2df297261903249f5ac2d3d14ededbda229397e2
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>Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=987dd2d4d465e80e00d6a0b16787a78aa75dd66a
>Commit:     987dd2d4d465e80e00d6a0b16787a78aa75dd66a
>Parent:     2df297261903249f5ac2d3d14ededbda229397e2
>Author:     Alexey Starikovskiy <astarikovskiy@suse.de>
>AuthorDate: Thu Mar 27 23:54:06 2008 +0300
>Committer:  Ingo Molnar <mingo@elte.hu>
>CommitDate: Thu Apr 17 17:41:31 2008 +0200
>
>    x86: don't call MP_processor_info for disabled cpu
>    
>    Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
>    Signed-off-by: Ingo Molnar <mingo@elte.hu>
>---
> arch/x86/kernel/mpparse_32.c |    4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
>diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c
>index 4cc325e..c487bc9 100644
>--- a/arch/x86/kernel/mpparse_32.c
>+++ b/arch/x86/kernel/mpparse_32.c
>@@ -895,6 +895,10 @@ void __cpuinit mp_register_lapic (u8 id, u8 enabled)
> 			id, MAX_APICS);
> 		return;
> 	}
>+	if (!enabled) {
>+		++disabled_cpus;
>+		return;
>+	}
> 
> 	if (id == boot_cpu_physical_apicid)
> 		boot_cpu = 1;
>--
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