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From: Oleg Nesterov <oleg@redhat.com>
To: Neil Horman <nhorman@tuxdriver.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
	Pavel Emelyanov <xemul@parallels.com>,
	Daniel Berrange <berrange@redhat.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Serge Hallyn <serge.hallyn@canonical.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: + core_pattern-set-core-helpers-root-and-namespace-to-crashing-process .patch added to -mm tree
Date: Wed, 19 Dec 2012 17:22:30 +0100	[thread overview]
Message-ID: <20121219162230.GA17514@redhat.com> (raw)
In-Reply-To: <20121218201900.GA10059@hmsreliant.think-freely.org>

On 12/18, Neil Horman wrote:
>
> On Tue, Dec 18, 2012 at 09:06:04PM +0100, Oleg Nesterov wrote:
> > > Perhaps its best just to restrict this patch to adjusting the root fs location
> > > for the chroot case.
> >
> > Probably... at least for the start.
> >
> > BTW. Of course this is subjective, but personally I think that "||"
> > looks strange. Perhaps it would be better to add something like
> > --croot argument?
> >
> The || is ambiguous with its simmilarity to a shell 'or' command,

Ah, I didn't mean this.

I meant, this is not flexible. We can implement --croot, then we can
(may be) add --switch_ns. If you use "||" now for chroot, what will you
do for switch_ns?

> but I don't
> think the --croot argument is much better on that front, as that then becomes
> ambiguous with arguments supplied to the pipe reader directly.

Not sure I understand... why?

> The token should
> be leading the pipe_reader string in core_pattern to indicate a change in
> environment independent of the executable path.

Do you mean that || at the front is more "visible" ? True, but I am
not sure this is that important.

But I won't insist.

Oleg.


  parent reply	other threads:[~2012-12-19 16:22 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-17 12:34 + core_pattern-set-core-helpers-root-and-namespace-to-crashing-process .patch added to -mm tree Oleg Nesterov
2012-12-17 15:05 ` Neil Horman
2012-12-17 16:04   ` Oleg Nesterov
2012-12-17 18:39     ` Neil Horman
2012-12-18 20:06       ` Oleg Nesterov
2012-12-18 20:19         ` Neil Horman
2012-12-18 20:45           ` Eric W. Biederman
2012-12-18 21:53             ` Neil Horman
2012-12-19  4:43               ` Eric W. Biederman
2012-12-19 16:34             ` Oleg Nesterov
2012-12-19 16:22           ` Oleg Nesterov [this message]
2012-12-19 20:42             ` Neil Horman
2012-12-20 13:02               ` Oleg Nesterov

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