From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH v14 01/13] sk_run_filter: add BPF_S_ANC_SECCOMP_LD_W Date: Wed, 14 Mar 2012 01:05:57 -0700 Message-ID: <1331712357.2456.58.camel@edumazet-laptop> References: <1331587715-26069-1-git-send-email-wad@chromium.org> <0c55cb258e0b5bbd615923ee2a9f06b9.squirrel@webmail.greenhost.nl> <1331658828.4449.16.camel@edumazet-glaptop> <3e4fc1efb5d7dbe0dd966e3192e84645.squirrel@webmail.greenhost.nl> <1331704535.2456.37.camel@edumazet-laptop> <3f56b0860272f4ca8925c0a249a30539.squirrel@webmail.greenhost.nl> Reply-To: kernel-hardening@lists.openwall.com Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Cc: Will Drewry , linux-kernel@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, hpa@zytor.com, 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, pmoore@redhat.com, akpm@linux-foundation.org, corbet@lwn.net, markus@chromium.org, coreyb@linux.vnet.ibm.com, keescook@chromium.org To: Indan Zupancic Return-path: List-Post: List-Help: List-Unsubscribe: List-Subscribe: In-Reply-To: <3f56b0860272f4ca8925c0a249a30539.squirrel@webmail.greenhost.nl> List-Id: netdev.vger.kernel.org Le mercredi 14 mars 2012 à 08:59 +0100, Indan Zupancic a écrit : > The only remaining question is, is it worth the extra code to release > up to 32kB of unused memory? It seems a waste to not free it, but if > people think it's not worth it then let's just leave it around. Quite frankly its not an issue, given JIT BPF is not yet default enabled. I am not sure all bugs were found and fixed. I would warn users before considering using it in production. If you have time, I would appreciate if you could double check and find last bugs in it.