From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Carstens Subject: Re: [RFC PATCH net-next 0/6] seccomp filter JIT Date: Fri, 26 Apr 2013 13:46:22 +0200 Message-ID: <20130426114622.GB3736@osiris> References: <1366962706-24204-1-git-send-email-xi.wang@gmail.com> <20130426112539.GA3736@osiris> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Daniel Borkmann , "David S. Miller" , Russell King , Eric Dumazet , Will Drewry , Andrew Morton , netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Xi Wang Return-path: Content-Disposition: inline In-Reply-To: <20130426112539.GA3736@osiris> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, Apr 26, 2013 at 01:25:39PM +0200, Heiko Carstens wrote: > On Fri, Apr 26, 2013 at 03:51:40AM -0400, Xi Wang wrote: > > This patchset brings JIT support to seccomp filters for x86_64 and ARM. > > It is against the net-next tree. > > > > The current BPF JIT interface only accepts sk_filter, not seccomp_filter. > > Patch 1/6 refactors the interface to make it more general. > > > > With the refactored interface, patches 2/6 and 3/6 implement the seccomp > > BPF_S_ANC_SECCOMP_LD_W instruction in x86 & ARM JIT. > > > > Status: > > > > * x86_64 & ARM: JIT tested with seccomp examples. > > > > * powerpc [4/6]: no seccomp change - compile checked. > > > > * sparc [5/6] & s390 [6/6]: no seccomp change - untested. > > > > Sorry I have no sparc or s390 build environment here. Can someone help > > check 5/6 and 6/6? Thanks. > > Your patches are against which tree? > They don't apply on top of linux-next or Linus' linux tree. Right... just right the subject of each patch description says, they apply against net-next. And build fine on s390. > Btw. are there any test cases around for BPF JIT? > Not only for the new seccomp but also netfilter? This however is still a valid question.