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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD7D2C433F5 for ; Thu, 28 Oct 2021 09:22:08 +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 AA60660E78 for ; Thu, 28 Oct 2021 09:22:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org AA60660E78 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CPiDsDaEX6H83hFoq9o5EhOBOwbh7agbF5yKXE0PeXA=; b=dUfTky/vnL7cXC +dmJWfbYJz9BA5AngjhfXsiz9Cqpb3hwdkvUOMIJE00V4PMDj8VgWYDS2OiEItS3fqgSHkzLZW2vr QJwml39gB5zx13Gd3pGxEVAQUWfICtDiWq1bAhAppxc7sAFsO/4LsPO1zvr7BAQBZ9f79+zshVkAW P5s5FtEKXzkb7LxmO/fULgMizpgF8/R1YEA/6egEs7VdGmI/iEOGjybizKpfZMWaKYPueSEm5nZSt ofqJnaVQR9cgYB3dTKNXe3lJ66Z1wQoG6VYkxW/23b6XRaTdWiTAyo4ObQIyT8Phl+9vmGqOQSX2H wGU/gP6+ZqdaJemSLG/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mg1as-007MwX-DF; Thu, 28 Oct 2021 09:21:06 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mg1af-007Muv-So for linux-arm-kernel@lists.infradead.org; Thu, 28 Oct 2021 09:20:55 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4A85861106; Thu, 28 Oct 2021 09:20:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1635412853; bh=Fn8bsQjWvC/Gs3ZL/gJFubl+W3359yuP4t4KAm0iG4Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DR+e1gYeoMgq5eryI2eXEuYixpeQ2WTIQOYr41u/LHISd3lgtarBkUZIqOC7sY/bG S1yJGIUSROwiwzdr2RqRCWllxmz1/65Vx6j9vMJDOmH2ZBRcPGO2N84gyug7xFWAAr PBy1DurNvr8f5+umK0RP30fXSWqFX/K5KF/EaVHSFsCewFHzh9djllpKai6pIVM7bT VGRsoun7Q6xXQsFtJ/5tNmI2jFKnjYvGacRMSPWzAfaiS3ODDzyK245A3XWEGbXOb6 I8A8nAYvQGVb66byS1a2h4n6OQH0vV5qoznJLkMDxNRKqhJeZtSuRO4UJ+fwccLm70 Y8potYA8UhXGA== From: Will Deacon To: tglx@linutronix.de, Nicolas Saenz Julienne , catalin.marinas@arm.com Cc: kernel-team@android.com, Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: Select POSIX_CPU_TIMERS_TASK_WORK Date: Thu, 28 Oct 2021 10:20:47 +0100 Message-Id: <163540984338.3796555.9507472460040267677.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20211018144713.873464-1-nsaenzju@redhat.com> References: <20211018144713.873464-1-nsaenzju@redhat.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211028_022053_990084_10193EF8 X-CRM114-Status: UNSURE ( 7.57 ) 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 Mon, 18 Oct 2021 16:47:13 +0200, Nicolas Saenz Julienne wrote: > With 6caa5812e2d1 ("KVM: arm64: Use generic KVM xfer to guest work > function") all arm64 exit paths are properly equipped to handle the > POSIX timers' task work. > > Deferring timer callbacks to thread context, not only limits the amount > of time spent in hard interrupt context, but is a safer > implementation[1], and will allow PREEMPT_RT setups to use KVM[2]. > > [...] Applied to arm64 (for-next/misc), thanks! [1/1] arm64: Select POSIX_CPU_TIMERS_TASK_WORK https://git.kernel.org/arm64/c/a68773bd32d9 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel