linux-kernel - Re: [PATCH 0/4] Helper patches for PTY namespaces

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Message-ID: <4800FADB.3090406@zytor.com>
Date:	Sat, 12 Apr 2008 11:09:31 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	sukadev@...ibm.com
CC:	Andrew Morton <akpm@...l.org>, serue@...ibm.com,
	matthltc@...ibm.com, "Eric W. Biederman" <ebiederm@...ssion.com>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Containers <containers@...ts.osdl.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] Helper patches for PTY namespaces

sukadev@...ibm.com wrote:
> Some simple helper patches to enable implementation of multiple PTY
> (or device) namespaces.
> 
> 	[PATCH 1/4]: Propagate error code from devpts_pty_new
> 	[PATCH 2/4]: Factor out PTY index allocation
> 	[PATCH 3/4]: Move devpts globals into init_pts_ns
> 	[PATCH 3/4]: Enable multiple mounts of /dev/pts
> 
> This patchset is based on earlier versions developed by Serge Hallyn
> and Matt Helsley.

Any measurable performance impact when not using these kinds of namespaces?

	-hpa
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