linux-kernel - Re: [PATCH 0/7] utrace/ptrace

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20091223194712.GO20539@basil.fritz.box>
Date:	Wed, 23 Dec 2009 20:47:12 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Roland McGrath <roland@...hat.com>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Ananth Mavinakayanahalli <ananth@...ibm.com>,
	Christoph Hellwig <hch@...radead.org>,
	"Frank Ch. Eigler" <fche@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, utrace-devel@...hat.com
Subject: Re: [PATCH 0/7] utrace/ptrace

> As Oleg mentioned, I have a cleanup/reimplementation of seccomp using
> utrace.  That is quite a trivial use--it demonstrates how easy the
> utrace API makes it to do things like that, in contrast to previous
> solutions with arch-specific assembly hacking and so forth.  I can
> dust that patch off and post it if anybody cares.

Do you have an estimate or better numbers how the overhead of 
seccomp-over-utrace compares to the current in-tree seccomp?

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/