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 BEC55C433EF for ; Thu, 28 Oct 2021 09:20:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 967B8610CB for ; Thu, 28 Oct 2021 09:20:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230110AbhJ1JXW (ORCPT ); Thu, 28 Oct 2021 05:23:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:38134 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229835AbhJ1JXU (ORCPT ); Thu, 28 Oct 2021 05:23:20 -0400 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 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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