From: Eric Dumazet Subject: Re: SLAB_TYPESAFE_BY_RCU without constructors (was Re: [PATCH v4 13/17] khwasan: add hooks implementation) Date: Wed, 1 Aug 2018 10:18:49 -0700 Message-ID: References: <01000164f169bc6b-c73a8353-d7d9-47ec-a782-90aadcb86bfb-000000@email.amazonses.com> <30ee6c72-dc90-275a-8e23-54221f393cb0@virtuozzo.com> <01000164f60f3f12-b1253c6e-ee57-49fc-aed8-0944ab4fd7a2-000000@email.amazonses.com> <01000164f64bd525-be13e04f-18a9-4f7f-a44b-0c0fcec33b71-000000@email.amazonses.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: Eric Dumazet , Christoph Lameter , Andrey Ryabinin , Linus Torvalds , "Theodore Ts'o" , jack@suse.com, linux-ext4@vger.kernel.org, Greg Kroah-Hartman , Pablo Neira Ayuso , Jozsef Kadlecsik , Florian Westphal , David Miller , netfilter-devel@vger.kernel.org, coreteam@netfilter.org, netdev , Gerrit Renker , dccp@vger.kernel.org, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, airlied@linux.ie, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, To: Dmitry Vyukov Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Wed, Aug 1, 2018 at 9:47 AM Dmitry Vyukov wrote: > > Proving with numbers is required for a claimed performance improvement > at the cost of code degradation/increase. For a win-win change there > is really nothing to prove. You have to _prove_ it is a win-win. It is not sufficient to claim it is a win-win. Sorry, but I do have bugs to take care of.