Date: Mon, 12 Feb 2007 15:51:12 -0800
From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@elte.hu>,
       Suresh Siddha <suresh.b.siddha@intel.com>,
       "Li, Shaohua" <shaohua.li@intel.com>, patches@x86-64.org,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.21 review I] [11/25] x86: default to physical mode on hotplug CPU kernels
Message-ID: <20070212155112.C15718@unix-os.sc.intel.com>
References: <200702101250.142420000@suse.de> <20070210115023.D19ED13DCE@wotan.suse.de> <m1vei9ymkh.fsf@ebiederm.dsl.xmission.com> <200702122336.23826.andi@firstfloor.org> <m1k5ynug3v.fsf@ebiederm.dsl.xmission.com>
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In-Reply-To: <m1k5ynug3v.fsf@ebiederm.dsl.xmission.com>; from ebiederm@xmission.com on Mon, Feb 12, 2007 at 04:10:44PM -0700
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On Mon, Feb 12, 2007 at 04:10:44PM -0700, Eric W. Biederman wrote:
> Basically as I commented in genapic_flat, that at least on hyperthreading
> cpus the destination mask is not always honored, and so if you only
> allow one hyperthread I have seen the irq show up on the other hyperthread.

Which platform is this? I haven't heard this before.

thanks,
suresh
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