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 CD160C25B0C for ; Mon, 8 Aug 2022 11:40:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234788AbiHHLk1 (ORCPT ); Mon, 8 Aug 2022 07:40:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242918AbiHHLkY (ORCPT ); Mon, 8 Aug 2022 07:40:24 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22FB26140; Mon, 8 Aug 2022 04:40:24 -0700 (PDT) Received: from localhost.localdomain (unknown [39.46.64.186]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: usama.anjum) by madras.collabora.co.uk (Postfix) with ESMTPSA id 201816601C24; Mon, 8 Aug 2022 12:40:19 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1659958823; bh=vPB21bP63a3cyzTnyqBlMpssVAO3NSTN7hNkLuHypu8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JoTNVl91VFXUdCtI2GOBG1i5U5F4Odv6afy0ICI4ZpimvFRHIU8MOOyCfk+QxWATd 60quu7bvRpPir6ji6B7NSeUjYM4fH/Pwd374OqsDOZd8tfglu27WLUvmNVU9x9D9RI NrLPV5Buo7crkpryzibFHHNTF1Z1Z2Ej9DPhqyZzlNjJtVdgwC3luA2wCSRmJ2jbNu khMB9pY4cQWszlWCEKAxhr89RM26k3yO+mwyXAE5Gthggb7XC3cKhxnciy4FisRkpv iA2eLzFONPU3sGUojQnFUyZ/Fv8lVRyIP15DxRf/PZWEOP7WpbpUJ8BElhlwXLrej3 HO4mwjn4Jmpmw== From: Muhammad Usama Anjum To: Jonathan Corbet , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)), "H. Peter Anvin" , linux-doc@vger.kernel.org (open list:DOCUMENTATION), linux-kernel@vger.kernel.org (open list) Cc: Steven Noonan , usama.anjum@collabora.com, kernel@collabora.com Subject: [PATCH 2/3] x86: touch clocksource watchdog after syncing TSCs Date: Mon, 8 Aug 2022 16:39:53 +0500 Message-Id: <20220808113954.345579-2-usama.anjum@collabora.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220808113954.345579-1-usama.anjum@collabora.com> References: <20220808113954.345579-1-usama.anjum@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org From: Steven Noonan Update watchdog after syncing the TSCs of all the CPUs. This is needed to avoid getting TSC clocksource marked as unstable after syncing them. Signed-off-by: Steven Noonan Signed-off-by: Muhammad Usama Anjum --- arch/x86/kernel/smpboot.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index f24227bc3220..4b3a03004a1f 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -56,6 +56,7 @@ #include #include #include +#include #include #include @@ -1444,6 +1445,7 @@ void arch_thaw_secondary_cpus_begin(void) void arch_thaw_secondary_cpus_end(void) { + clocksource_touch_watchdog(); mtrr_aps_init(); } @@ -1477,6 +1479,8 @@ void __init native_smp_cpus_done(unsigned int max_cpus) { pr_debug("Boot done\n"); + clocksource_touch_watchdog(); + calculate_max_logical_packages(); /* XXX for now assume numa-in-package and hybrid don't overlap */ -- 2.30.2