linux-kernel - Re: [tip:irq/core] genirq: Set initial affinity in irq_set_affinity

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Message-ID: <20150128115800.000065fc@unknown>
Date:	Wed, 28 Jan 2015 11:58:00 -0800
From:	Jesse Brandeburg <jesse.brandeburg@...el.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-tip-commits@...r.kernel.org" 
	<linux-tip-commits@...r.kernel.org>
Subject: Re: [tip:irq/core] genirq: Set initial affinity in
 irq_set_affinity_hint()

On Tue, 27 Jan 2015 22:36:23 -0800
Yinghai Lu <yinghai@...nel.org> wrote:

> On Fri, Jan 23, 2015 at 2:42 AM, tip-bot for Jesse Brandeburg
> <tipbot@...or.com> wrote:
> > Commit-ID:  e2e64a932556cdfae455497dbe94a8db151fc9fa
> > Gitweb:     http://git.kernel.org/tip/e2e64a932556cdfae455497dbe94a8db151fc9fa
> > Author:     Jesse Brandeburg <jesse.brandeburg@...el.com>
> > AuthorDate: Thu, 18 Dec 2014 17:22:06 -0800
> > Committer:  Thomas Gleixner <tglx@...utronix.de>
> > CommitDate: Fri, 23 Jan 2015 11:38:25 +0100
> >
> > genirq: Set initial affinity in irq_set_affinity_hint()
 
> there are lots of irq_set_affinity_hint(irq, NULL);
> 
> git grep -A 1 irq_set_affinity_hint | grep NULL | wc -l
> 26
> 
> You may need to add check ...in irq_set_affinity_hint()

Patch posted to fix the issue (added a null check)

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