Attachment 311831 Details for Bug 455427 – Upstream fix for this issue

[patch] Upstream fix for this issue

351 (text/plain), 3.40 KB, created by Prarit Bhargava on 2008-07-15 14:09:02 UTC

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Creator: Prarit Bhargava

Created: 2008-07-15 14:09:02 UTC

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patch

obsolete

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>Date:	Fri, 18 Apr 2008 17:34:21 GMT
>Message-Id: <200804181734.m3IHYLAK008048@hera.kernel.org>
>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 (64bit)
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>X-Git-Commit: 8ccab29ca8c441ae00d878d2f0000275f430f8a5
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>Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8ccab29ca8c441ae00d878d2f0000275f430f8a5
>Commit:     8ccab29ca8c441ae00d878d2f0000275f430f8a5
>Parent:     86c9835b46605fb29a3c30c6cc344d9df49e54a3
>Author:     Alexey Starikovskiy <astarikovskiy@suse.de>
>AuthorDate: Thu Mar 27 23:55:28 2008 +0300
>Committer:  Ingo Molnar <mingo@elte.hu>
>CommitDate: Thu Apr 17 17:41:32 2008 +0200
>
>    x86: don't call MP_processor_info for disabled cpu (64bit)
>    
>    Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
>    Signed-off-by: Ingo Molnar <mingo@elte.hu>
>---
> arch/x86/kernel/mpparse_64.c |    4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
>diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c
>index 83a36ee..3681b9d 100644
>--- a/arch/x86/kernel/mpparse_64.c
>+++ b/arch/x86/kernel/mpparse_64.c
>@@ -678,6 +678,10 @@ void __cpuinit mp_register_lapic(u8 id, u8 enabled)
> 	struct mpc_config_processor processor;
> 	int boot_cpu = 0;
> 
>+	if (!enabled) {
>+		++disabled_cpus;
>+		return;
>+	}
> 	if (id == boot_cpu_physical_apicid)
> 		boot_cpu = 1;
> 
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