From: Ingo Molnar <mingo@elte.hu>
To: Yinghai Lu <yinghai@kernel.org>, Rusty Russell <rusty@rustcorp.com.au>
Cc: Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jeremy Fitzhardinge <jeremy@goop.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86: clean up setup_clear/force_cpu_cap handling
Date: Sat, 27 Dec 2008 11:22:34 +0100 [thread overview]
Message-ID: <20081227102234.GD14639@elte.hu> (raw)
In-Reply-To: <49509418.6040905@kernel.org>
* Yinghai Lu <yinghai@kernel.org> wrote:
> Impact: fix and cleanup
>
> setup_force_cpu_cap() only have one user xen
> but it should not reuse cleared_cpu_cpus. it will have problem
> for smp.
>
> need to have cpu_cpus_set array too.
> also need to setup handling before all cpus cap AND
>
> Signed-off-by: Yinghai Lu <yinghai.lu@kernel.org>
>
> ---
> arch/x86/include/asm/cpufeature.h | 4 ++--
> arch/x86/include/asm/processor.h | 3 ++-
> arch/x86/kernel/cpu/common.c | 17 ++++++++++++-----
> 3 files changed, 16 insertions(+), 8 deletions(-)
Rusty, you'll carry this patch in your linux-2.6-boot-params.git tree,
right? Merging this in the x86 tree would just needlessly complicate your
logistics, right?
Ingo
next prev parent reply other threads:[~2008-12-27 10:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-23 7:32 [PATCH] x86: clean up setup_clear/force_cpu_cap handling Yinghai Lu
2008-12-27 10:22 ` Ingo Molnar [this message]
2008-12-27 20:49 ` Yinghai Lu
2008-12-28 9:38 ` Rusty Russell
2008-12-28 9:46 ` Ingo Molnar
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