From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH v17 08/15] seccomp: add system call filtering using BPF Date: Fri, 6 Apr 2012 14:09:29 -0700 Message-ID: <20120406140929.538fd5fd.akpm@linux-foundation.org> References: <1333051320-30872-1-git-send-email-wad@chromium.org> <1333051320-30872-9-git-send-email-wad@chromium.org> <20120406132330.457a05cf.akpm@linux-foundation.org> <20120406140503.10b75c5b.akpm@linux-foundation.org> <4F7F5AB9.5040309@zytor.com> Reply-To: kernel-hardening@lists.openwall.com Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Kees Cook , Will Drewry , linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, kernel-hardening@lists.openwall.com, netdev@vger.kernel.org, x86@kernel.org, arnd@arndb.de, davem@davemloft.net, mingo@redhat.com, oleg@redhat.com, peterz@infradead.org, rdunlap@xenotime.net, mcgrathr@chromium.org, tglx@linutronix.de, luto@mit.edu, eparis@redhat.com, serge.hallyn@canonical.com, djm@mindrot.org, scarybeasts@gmail.com, indan@nul.nu, pmoore@redhat.com, corbet@lwn.net, eric.dumazet@gmail.com, markus@chromium.org, coreyb@linux.vnet.ibm.com, jmorris@namei.org To: "H. Peter Anvin" Return-path: List-Post: List-Help: List-Unsubscribe: List-Subscribe: In-Reply-To: <4F7F5AB9.5040309@zytor.com> List-Id: netdev.vger.kernel.org On Fri, 06 Apr 2012 14:06:01 -0700 "H. Peter Anvin" wrote: > On 04/06/2012 02:05 PM, Andrew Morton wrote: > >>> > >>> hm, I'm surprised that we don't have a zero-returning implementation of > >>> is_compat_task() when CONFIG_COMPAT=n. Seems silly. Blames Arnd. > >> > >> There is > > > > I can't find it. The definition in include/linux/compat.h is inside > > #ifdef CONFIG_COMPAT. > > > > I thought Linus globalized it very recently... Oh, yeah, I misread. We should be able to remove quite a few open-coded ifdefs now.