netdev - Re: [PATCH 2/3] netpoll: Use skb_irq_freeable to make zap_completion

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Date:	Fri, 28 Mar 2014 17:17:53 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	David Miller <davem@...emloft.net>
CC:	'Bjørn Mork' <bjorn@...k.no>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Ben Hutchings <ben@...adent.org.uk>,
	"stephen@...workplumber.org" <stephen@...workplumber.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"xiyou.wangcong@...il.com" <xiyou.wangcong@...il.com>,
	"mpm@...enic.com" <mpm@...enic.com>,
	"satyam.sharma@...il.com" <satyam.sharma@...il.com>,
	David Laight <David.Laight@...LAB.COM>
Subject: Re: [PATCH 2/3] netpoll: Use skb_irq_freeable to make zap_completion_queue
 safe.

Hello.

On 28-03-2014 5:20, Eric W. Biederman wrote:

> Replace the test in zap_completion_queu to test when it is safe to

    Small typo: it's zap_completion_queue().

> free skbs in hard irq context with skb_irq_freeable ensuring we only
> free skbs when it is safe, and removing the possibility of subtle
> problems.

> Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>

WBR, Sergei


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