From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF98EECAAD5 for ; Fri, 2 Sep 2022 15:00:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236631AbiIBPAD (ORCPT ); Fri, 2 Sep 2022 11:00:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236650AbiIBO7o (ORCPT ); Fri, 2 Sep 2022 10:59:44 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 743B7F8F7B; Fri, 2 Sep 2022 07:27:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 353ABB82C3B; Fri, 2 Sep 2022 14:27:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DF50C433C1; Fri, 2 Sep 2022 14:27:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1662128870; bh=tQY7/HHQWHScexKcExDCv7i+nSy1eJGSaTIyODbVfsA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Li9ryciRD3E/4bnTvp/mVWlHl93v3lvWLC7i89FZX4W/7LGUDqmpae0fv31C1qTa0 cHcHSRTPPP216AJiMkPpjMsW7Dbs0KuCAFpkB8XbdfHYyFsk9BfDLfYyXEyvqnNKgA DWtjkYp6QvaM9FcivsbOF93QUG79vA0xxiGYEj7w= Date: Fri, 2 Sep 2022 16:27:46 +0200 From: Greg Kroah-Hartman To: Varsha Teratipally Cc: Andrew Morton , Manfred Spraul , Davidlohr Bueso , Rafael Aquini , Alexander Mikhalitsyn , linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: Request to cherry-pick 20401d1058f3f841f35a594ac2fc1293710e55b9 to v5.10 and v5.4 Message-ID: References: <20220902135912.816188-1-teratipally@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220902135912.816188-1-teratipally@google.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Sep 02, 2022 at 01:59:11PM +0000, Varsha Teratipally wrote: > Hi all, > > Commit 20401d1058f3f841f35a594ac2fc1293710e55b9("ipc: replace costly > bailout check in sysvipc_find_ipc()" fixes a high cve and optimizes the > costly loop by adding a checkpoint, which I think might be a good > candidate for the stable branches What do you mean by "high cve"? And that feels like it's an artificial benchmark fixup, what real workload benefits from this change? thanks, greg k-h