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 X-Spam-Level: X-Spam-Status: No, score=-10.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8F27C2B9F7 for ; Mon, 24 May 2021 23:08:25 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id AF5B2613F6 for ; Mon, 24 May 2021 23:08:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AF5B2613F6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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=BWscDwL0UZBwe7NuicUly72ZhFvvtTHpZhgCrrKRogw=; b=LmFWpt9ToWV8B1 DudOfY7GcrZ376Ug0WZzW1LroKD0Uw/+CAh4xzynM2O1yV+lGBmHeZ6VkHhtGeeZdpT6cezVSNCSS Cg+hF8sU3Woo9nMpLo7mA5Ua4zzQsSM3VqRbdulkzx4d2xWxLbyzKhj0bE7T1MnslH2sQ3N/93R5w ddcHw6QZRz1D5won3pGGhUIdyynDYO3AL69qDrudJXwSW/hFxMKMaofQP7UKSlpX4I7ybuWyasMqA 12uXxfZxKNamn/lTtWEbsYZTw6DKw2g15gjco/wQB7rp1ULtfCw1DaDzJlwvbfKFPrqn7UDZhmtJC D40U8efQhzvP9yS713+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1llJdi-002GkX-AC; Mon, 24 May 2021 23:05:40 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1llCoG-00130N-Nr for linux-arm-kernel@lists.infradead.org; Mon, 24 May 2021 15:48:05 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 770DF61413; Mon, 24 May 2021 15:48:01 +0000 (UTC) Date: Mon, 24 May 2021 16:47:59 +0100 From: Catalin Marinas To: Will Deacon Cc: linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Marc Zyngier , Greg Kroah-Hartman , Peter Zijlstra , Morten Rasmussen , Qais Yousef , Suren Baghdasaryan , Quentin Perret , Tejun Heo , Li Zefan , Johannes Weiner , Ingo Molnar , Juri Lelli , Vincent Guittot , "Rafael J. Wysocki" , kernel-team@android.com Subject: Re: [PATCH v6 20/21] arm64: Remove logic to kill 32-bit tasks on 64-bit-only cores Message-ID: <20210524154758.GG14645@arm.com> References: <20210518094725.7701-1-will@kernel.org> <20210518094725.7701-21-will@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210518094725.7701-21-will@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210524_084804_818088_835A7243 X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. 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, May 18, 2021 at 10:47:24AM +0100, Will Deacon wrote: > The scheduler now knows enough about these braindead systems to place > 32-bit tasks accordingly, so throw out the safety checks and allow the > ret-to-user path to avoid do_notify_resume() if there is nothing to do. > > Signed-off-by: Will Deacon Acked-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel