linux-kernel - Re: [PATCH 2.6.21 review I] [11/25] x86: default to physical mode on hotplug CPU kernels

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Message-ID: <20070212155112.C15718@unix-os.sc.intel.com>
Date:	Mon, 12 Feb 2007 15:51:12 -0800
From:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Ingo Molnar <mingo@...e.hu>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	"Li, Shaohua" <shaohua.li@...el.com>, patches@...-64.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.21 review I] [11/25] x86: default to physical mode on hotplug CPU kernels

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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