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From: Yinghai Lu <yinghai@kernel.org>
To: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [patch] x86, irq: don't block IRQ0_VECTOR..IRQ15_VECTOR's on all cpu's
Date: Tue, 19 Jan 2010 14:04:20 -0800	[thread overview]
Message-ID: <4B562C64.7090303@kernel.org> (raw)
In-Reply-To: <1263936200.2814.55.camel@sbs-t61.sc.intel.com>

On 01/19/2010 01:23 PM, Suresh Siddha wrote:
> On Tue, 2010-01-19 at 12:59 -0800, Yinghai Lu wrote:
>> when PIC is used, if the user is setting /proc/irq/[0-15]/smp_affinity to cpu other than 0,
>> we need to prevent that happen.
> 
> If it is handled by i8259A_chip, then even today we won't be able to
> change smp_affinity because of no "set_affinity" for that irq_chip.

Then it is ok.

Thanks

Yinghai

  reply	other threads:[~2010-01-19 22:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-19 20:20 [patch] x86, irq: don't block IRQ0_VECTOR..IRQ15_VECTOR's on all cpu's Suresh Siddha
2010-01-19 20:59 ` Yinghai Lu
2010-01-19 21:23   ` Suresh Siddha
2010-01-19 22:04     ` Yinghai Lu [this message]
2010-01-19 22:27 ` [tip:x86/apic] x86, irq: Don't " tip-bot for Suresh Siddha

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