From: Robert Love <rml@tech9.net>
To: root@chaos.analogic.com
Cc: Sriram Narasimhan <nsri@tataelxsi.co.in>, linux-kernel@vger.kernel.org
Subject: Re: Tasklet doubt!
Date: 11 Apr 2003 12:48:36 -0400 [thread overview]
Message-ID: <1050079715.2291.223.camel@localhost> (raw)
In-Reply-To: <Pine.LNX.4.53.0304111242210.8834@chaos>
On Fri, 2003-04-11 at 12:46, Richard B. Johnson wrote:
> You only need GFP_ATOMIC for stuff allocated and freed when the
> interrupts are off like in ISRs.
Not just when the interrupts are off but whenever you cannot sleep.
In most interrupt handlers, interrupts are enabled anyhow (except the
current line which is masked out -- but the interrupt system itself is
on i.e. sti is set). But they cannot sleep.
Robert Love
prev parent reply other threads:[~2003-04-11 16:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-11 16:19 Tasklet doubt! Sriram Narasimhan
2003-04-11 16:31 ` Robert Love
2003-04-11 16:45 ` Jeff Garzik
2003-04-11 16:46 ` Richard B. Johnson
2003-04-11 16:48 ` Robert Love [this message]
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