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Message-Id: <20100127133408.9d8f72fe.akpm@linux-foundation.org>
Date: Wed, 27 Jan 2010 13:34:08 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Neil Horman <nhorman@...driver.com>
Cc: Oleg Nesterov <oleg@...hat.com>, linux-kernel@...r.kernel.org,
abelay@....edu, benh@...nel.crashing.org,
drbd-dev@...ts.linbit.com, gregkh@...e.de, jmoskovc@...hat.com,
menage@...gle.com, mfasheh@...e.com, mingo@...hat.com,
neilb@...e.de, shemminger@...ux-foundation.org, spock@...too.org,
t.sailer@...mni.ethz.ch, takedakn@...data.co.jp,
viro@...iv.linux.org.uk
Subject: Re: +
exec-allow-core_pipe-recursion-check-to-look-for-a-value-of-1-rather
-than-0.patch added to -mm tree
On Wed, 27 Jan 2010 16:22:39 -0500
Neil Horman <nhorman@...driver.com> wrote:
> On Wed, Jan 27, 2010 at 06:58:52PM +0100, Oleg Nesterov wrote:
> > On 01/27, Oleg Nesterov wrote:
> > >
> > > Currently only d_coredump() needs this new feature, but please note
> > > that ____call_usermodehelper() was already "uglified" for the coredumping
> > > over the pipe.
> > >
> > > If we add sub_info->finit(), then probably we should move the code
> > > under "if (sub_info->stdin)" from ____call_usermodehelper() to
> > > core_pipe_setup() ?
> >
> > And, perhaps, we should not change call_usermodehelper() and all its
> > callers? If the caller needs ->finit() it can customize subprocess_info
> > like call_usermodehelper_pipe() already does?
> >
> > To clarify, I don't have a "strong" opinion, I am just asking.
> >
> I'm not opposed to that, Since Andew has already taken these patches, I'll
> tinkier to see how such an implementation change looks, and post some follow on
> patches if it seems good. I'll clean up the comments while I'm at it.
>
The patch conflicts a bit with Andi's
sysctl-add-call_usermodehelper_cleanup.patch so I dropped v1 of
exec-allow-core_pipe-recursion-check-to-look-for-a-value-of-1-rather-than-0.patch
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