From: David Miller <davem@davemloft.net>
To: akpm@linux-foundation.org
Cc: penguin-kernel@I-love.SAKURA.ne.jp, netdev@vger.kernel.org
Subject: Re: [patch 1/2] net: don't use in_atomic() in gfp_any()
Date: Wed, 11 Feb 2009 14:02:59 -0800 (PST) [thread overview]
Message-ID: <20090211.140259.206413808.davem@davemloft.net> (raw)
In-Reply-To: <20090211134842.7fa73b6d.akpm@linux-foundation.org>
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 11 Feb 2009 13:48:42 -0800
> Is gfp_any() supposed to be usable from hardirq context?
>
> If so, we should use in_interrupt().
>
> If not, we should use in_softirq(), and we'll then get might_sleep()
> warnings if anyone uses gfp_any() from hard irq context.
It never will be used in hardware IRQ context, at least
in the networking.
And all uses in the tree are.. networking :-)
next prev parent reply other threads:[~2009-02-11 22:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-11 21:27 [patch 1/2] net: don't use in_atomic() in gfp_any() akpm
2009-02-11 21:38 ` Tetsuo Handa
2009-02-11 21:48 ` Andrew Morton
2009-02-11 22:02 ` David Miller [this message]
2009-02-11 21:49 ` Andrew Morton
2009-02-13 0:43 ` David Miller
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