linux-kernel - Re: [PATCH] selinux: Improving SELinux read/write performance

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Message-ID: <Xine.LNX.4.64.0709171456150.16840@us.intercode.com.au>
Date:	Mon, 17 Sep 2007 14:56:46 -0700 (PDT)
From:	James Morris <jmorris@...ei.org>
To:	Stephen Smalley <sds@...ho.nsa.gov>
cc:	Yuichi Nakamura <ynakam@...achisoft.jp>, selinux@...ho.nsa.gov,
	Eric Paris <eparis@...isplace.org>, kaigai@...jp.nec.com,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selinux: Improving SELinux read/write performance

On Mon, 17 Sep 2007, Stephen Smalley wrote:

> > It reduces the selinux overhead on read/write by only revalidating
> > permissions in selinux_file_permission if the task or inode labels have
> > changed or the policy has changed since the open-time check.  A new LSM
> > hook, security_dentry_open, is added to capture the necessary state at
> > open time to allow this optimization.
> > 
> > Signed-off-by: Yuichi Nakamura<ynakam@...achisoft.jp>
> 
> Thanks, looks good.
> 
> Acked-by:  Stephen Smalley <sds@...ho.nsa.gov>

Applied to 
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6.git#for-akpm


-- 
James Morris
<jmorris@...ei.org>
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