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From: "Liu, Chuansheng" <chuansheng.liu@intel.com>
To: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Cc: "tglx@linutronix.de" <tglx@linutronix.de>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"yanmin_zhang@linux.intel.com" <yanmin_zhang@linux.intel.com>
Subject: RE: [PATCH RESEND] x86/fixup_irq: Clean the offlining CPU from the irq affinity mask
Date: Wed, 26 Sep 2012 08:56:20 +0000	[thread overview]
Message-ID: <27240C0AC20F114CBF8149A2696CBE4A18A494@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <5062C183.20301@linux.vnet.ibm.com>

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> A return value of 0 and 1 are acceptable. So this check isn't correct.
> 
> Regards,
> Srivatsa S. Bhat
> 
Which case value 1 is acceptable, could you share? Thanks.

> OMG, why did you drop the other hunk which cleared the cpu *before*
> invoking ->irq_set_affinity()? IMO, altering irq affinity involves more work
> than just altering the mask; that's why you have that ->irq_set_affinity()
> function. So, if you alter the mask *after* calling ->irq_set_affinity(),
> its not right..
Sorry the mistake, will update.
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  parent reply	other threads:[~2012-09-26  8:56 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-26 17:38 [PATCH RESEND] x86/fixup_irq: Clean the offlining CPU from the irq affinity mask Chuansheng Liu
2012-09-26  8:49 ` Srivatsa S. Bhat
2012-09-26  8:51   ` Liu, Chuansheng
2012-09-26  8:56   ` Liu, Chuansheng [this message]
2012-09-26  9:02     ` Srivatsa S. Bhat
2012-09-26 23:45 ` Chuansheng Liu
2012-09-26 15:47   ` Srivatsa S. Bhat
2012-09-26 16:03   ` Srivatsa S. Bhat
2012-09-26 17:06     ` Suresh Siddha
2012-09-26 17:30       ` Srivatsa S. Bhat
2012-09-26 22:46         ` Suresh Siddha
2012-09-27 18:42           ` Srivatsa S. Bhat
2012-09-27 19:20             ` Suresh Siddha
2012-09-27 20:33               ` Srivatsa S. Bhat
2012-10-09  8:51           ` Liu, Chuansheng

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