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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 07CF8C46467 for ; Tue, 3 Jan 2023 17:44:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=W3QshNdam/WC3b2lYTEnSZZbDIvEP9GyzObAkhVwWdc=; b=q+hOTrlsl9W5UG AQgLYyRmEBLnzCLTLG+g9hNftpZ8Lz1za3Q87lHw16+EP+RVSLSQI/M9V1iGuT+d4KZzREoJ8bgXF j0bnwyGO4cMfMr0SEi/gOHJCTqXoIaWRUxwrAiByuIv16F42ZJQkgUiiSEfYdLTJkwARqrRmDcrr9 UtWm6GW2JqSG7iJTomnmPp6yEhEnY/nI0T1VRN8wyAE4FohpZna4ddBqBj3S8uiNph9i2nmtcMMLD 30a5qbrIq50ZD4nO+ATvPMhdrK1ncucSuXfLALUnJ/5QeXUKVHW7XSSUVMXRbxQ+vskHoXE17lcJn y7BbzFppF0YT/Fy4QXrA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pClJ9-003WWm-AA; Tue, 03 Jan 2023 17:42:41 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pCjd3-002faB-Gw for linux-arm-kernel@lists.infradead.org; Tue, 03 Jan 2023 15:55:07 +0000 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 28222B80F99; Tue, 3 Jan 2023 15:55:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 940EAC433D2; Tue, 3 Jan 2023 15:55:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672761301; bh=cv4aKMdl8Jq+rF2nqsgyd70lnjzEVdSKjvNplJFj5N4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mPODuGegwHPaDz6Uox7k2dQAezkkVDuY/nU6aiWsxsesVzzlO3i+kr4R42aHX9NBE /oINUytpyltd2YQeNsT/WbMv7lN2SII63Tbh9neE0YpHcgS1/xMRwB0xMgOfndeM+L f7bNGZ5kEYtPQnVTP0HO7JTm7URG/M9VroM9e2fA= Date: Tue, 3 Jan 2023 16:54:59 +0100 From: Greg KH To: "Russell King (Oracle)" Cc: axboe@kernel.dk, linux-arm-kernel@lists.infradead.org, stable-commits@vger.kernel.org Subject: Re: Patch "arm: add support for TIF_NOTIFY_SIGNAL" has been added to the 5.10-stable tree Message-ID: References: <167273138419795@kroah.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230103_075505_808335_67B8669B X-CRM114-Status: GOOD ( 15.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jan 03, 2023 at 10:37:22AM +0000, Russell King (Oracle) wrote: > Hi Greg, > > Probably not a good idea to pick this up just yet - there's been a > report of a performance regression due to this patch. There is? It's been in the tree since 5.11 which is quite old. So I think we can keep it for now and if a fix is found I will be glad to backport it to 5.10 as well. > Not sure why you're picking it up anyway? As Jens said, this is needed for the io_uring work. thanks, greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel