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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 1C061C433EF for ; Thu, 5 May 2022 23:58:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id D079F60BE7; Thu, 5 May 2022 23:58:11 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Skh8n-qmcnna; Thu, 5 May 2022 23:58:10 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp3.osuosl.org (Postfix) with ESMTPS id EB0D960AD7; Thu, 5 May 2022 23:58:09 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D556BC0032; Thu, 5 May 2022 23:58:09 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 10708C002D for ; Thu, 5 May 2022 23:58:07 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 38E2F60BE7 for ; Thu, 5 May 2022 23:57:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YK2yXGVO-6RY for ; Thu, 5 May 2022 23:57:53 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by smtp3.osuosl.org (Postfix) with ESMTPS id 9CEA5610A7 for ; Thu, 5 May 2022 23:57:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651795073; x=1683331073; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=Nult8sm5xsB/xmikf6OohjRwLwTEdiOtEi3jvHsqyXk=; b=eRzjj2VYdg+sQNRXu1QyUAA++G5NW9mg6JeC+2MdzKlXDLp5KqYAeV/S FfDWr+xUcp/ZVAN6qIS88vN9rXxQrd/nTFEo/sI2WXVzXk7+CONzIv7SR 5zKTwKq5uhqGUmy0NPRQg6lurEUqJNSyTD8uQc9ifXvQ/A2z8Fq6y23LW ZVuuK97y/vZ7BH8MjCPZdw+kAWl4ITNF7apadoQebAWDIIJbMcL18cbT6 o9LnutIVVhYhI7RD6CbqBfH2bpc1+9ybEcV9BTjAqP0p9Caev5vmx6ohe i6lbZsBqOWCWzmwipj7auIcvBYp/171s3mV0W2jHfJVxiibGvNlgFzZV3 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10338"; a="293496347" X-IronPort-AV: E=Sophos;i="5.91,203,1647327600"; d="scan'208";a="293496347" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2022 16:57:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,203,1647327600"; d="scan'208";a="694914415" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orsmga004.jf.intel.com with ESMTP; 05 May 2022 16:57:52 -0700 From: Ricardo Neri To: Thomas Gleixner , x86@kernel.org Subject: [PATCH v6 20/29] init/main: Delay initialization of the lockup detector after smp_init() Date: Thu, 5 May 2022 16:59:59 -0700 Message-Id: <20220506000008.30892-21-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220506000008.30892-1-ricardo.neri-calderon@linux.intel.com> References: <20220506000008.30892-1-ricardo.neri-calderon@linux.intel.com> Cc: "Ravi V. Shankar" , Andi Kleen , linuxppc-dev@lists.ozlabs.org, Ricardo Neri , Stephane Eranian , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Tony Luck , Nicholas Piggin , Ricardo Neri , Andrew Morton , David Woodhouse X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Certain implementations of the hardlockup detector require support for Inter-Processor Interrupt shorthands. On x86, support for these can only be determined after all the possible CPUs have booted once (in smp_init()). Other architectures may not need such check. lockup_detector_init() only performs the initializations of data structures of the lockup detector. Hence, there are no dependencies on smp_init(). Cc: Andi Kleen Cc: Nicholas Piggin Cc: Andrew Morton Cc: Stephane Eranian Cc: "Ravi V. Shankar" Cc: iommu@lists.linux-foundation.org Cc: linuxppc-dev@lists.ozlabs.org Cc: x86@kernel.org Reviewed-by: Tony Luck Signed-off-by: Ricardo Neri --- Changes since v5: * Introduced this patch Changes since v4: * N/A Changes since v3: * N/A Changes since v2: * N/A Changes since v1: * N/A --- init/main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/init/main.c b/init/main.c index 98182c3c2c4b..62c52c9e4c2b 100644 --- a/init/main.c +++ b/init/main.c @@ -1600,9 +1600,11 @@ static noinline void __init kernel_init_freeable(void) rcu_init_tasks_generic(); do_pre_smp_initcalls(); - lockup_detector_init(); smp_init(); + + lockup_detector_init(); + sched_init_smp(); padata_init(); -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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 4485EC433FE for ; Thu, 5 May 2022 23:59:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1387184AbiEFADG (ORCPT ); Thu, 5 May 2022 20:03:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1387141AbiEFABt (ORCPT ); Thu, 5 May 2022 20:01:49 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 622EC612BB for ; Thu, 5 May 2022 16:57:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651795076; x=1683331076; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=Nult8sm5xsB/xmikf6OohjRwLwTEdiOtEi3jvHsqyXk=; b=XbU5pEJw2XhDEePLdjTKFhY54/ePm8S6yhvSvV2w1yv07NbMSgkP0mp6 XJXptj2uC3YuSn9J4SeCqdApp8HAOQwfYyhdr9or+/JJk+r3ovVSHqsxh 52bM9VzCSnO+0HJh1EcferownI9pXDMxq3xJHPv9c1RpakZ/iHeZSTtCx DMb+MxA07d1tLgT6zG9UN435RXF/PNdJPPOtYlgnAA3YavdRHE9kSeQJ5 /tViV01w5OY48FyUKPGXzmHGjsUCJGx6nytbb3W8bIMW7u03YBxdSxuJq 2ImK/5xa+r3YvdkD7L6EUSwOCGoRsH9JgXfw0Aj2PChK7mJXCZjNLtE68 w==; X-IronPort-AV: E=McAfee;i="6400,9594,10338"; a="250283648" X-IronPort-AV: E=Sophos;i="5.91,203,1647327600"; d="scan'208";a="250283648" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2022 16:57:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,203,1647327600"; d="scan'208";a="694914415" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orsmga004.jf.intel.com with ESMTP; 05 May 2022 16:57:52 -0700 From: Ricardo Neri To: Thomas Gleixner , x86@kernel.org Cc: Tony Luck , Andi Kleen , Stephane Eranian , Andrew Morton , Joerg Roedel , Suravee Suthikulpanit , David Woodhouse , Lu Baolu , Nicholas Piggin , "Ravi V. Shankar" , Ricardo Neri , iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Ricardo Neri Subject: [PATCH v6 20/29] init/main: Delay initialization of the lockup detector after smp_init() Date: Thu, 5 May 2022 16:59:59 -0700 Message-Id: <20220506000008.30892-21-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220506000008.30892-1-ricardo.neri-calderon@linux.intel.com> References: <20220506000008.30892-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Certain implementations of the hardlockup detector require support for Inter-Processor Interrupt shorthands. On x86, support for these can only be determined after all the possible CPUs have booted once (in smp_init()). Other architectures may not need such check. lockup_detector_init() only performs the initializations of data structures of the lockup detector. Hence, there are no dependencies on smp_init(). Cc: Andi Kleen Cc: Nicholas Piggin Cc: Andrew Morton Cc: Stephane Eranian Cc: "Ravi V. Shankar" Cc: iommu@lists.linux-foundation.org Cc: linuxppc-dev@lists.ozlabs.org Cc: x86@kernel.org Reviewed-by: Tony Luck Signed-off-by: Ricardo Neri --- Changes since v5: * Introduced this patch Changes since v4: * N/A Changes since v3: * N/A Changes since v2: * N/A Changes since v1: * N/A --- init/main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/init/main.c b/init/main.c index 98182c3c2c4b..62c52c9e4c2b 100644 --- a/init/main.c +++ b/init/main.c @@ -1600,9 +1600,11 @@ static noinline void __init kernel_init_freeable(void) rcu_init_tasks_generic(); do_pre_smp_initcalls(); - lockup_detector_init(); smp_init(); + + lockup_detector_init(); + sched_init_smp(); padata_init(); -- 2.17.1 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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 7CAEAC433F5 for ; Fri, 6 May 2022 00:11:34 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4KvWFd0lSlz3fcC for ; Fri, 6 May 2022 10:11:33 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=MgDXPTK3; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.intel.com (client-ip=192.55.52.115; helo=mga14.intel.com; envelope-from=ricardo.neri-calderon@linux.intel.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=MgDXPTK3; dkim-atps=neutral Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4KvVzQ5RShz3cB7 for ; Fri, 6 May 2022 09:59:14 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651795154; x=1683331154; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=Nult8sm5xsB/xmikf6OohjRwLwTEdiOtEi3jvHsqyXk=; b=MgDXPTK3UYW2j6npkuB9oICy4jtf3t+u3KvdDtyrpf8F98RPIDsQeQrL Od6m3uYCwliQ7e9CLPQ43zp7VqbnSzb1g3hhpzsNW9OniPycoZuk/hYEl zomYGgR6NbHodmSHghQ8ieCNMYPdTeCeT7tQUm9Zd7MPyeoJN4bSKuskQ FE/eJIP/CV7wu869/1ypjf6+iQl9JR+i7ZzJqdCa0DJPx8DEOSar305P7 s4dDwK5+dbRi8S+rwH57dEvx9Xpve/RZ/tHNK6xEyfavGg3LfNa94zPyh Avz8pk6v8R8NuTG5QPOb8qaFIfsCvdgHqo3i03OB79DmFOuRZq2pC3OFy w==; X-IronPort-AV: E=McAfee;i="6400,9594,10338"; a="268437329" X-IronPort-AV: E=Sophos;i="5.91,203,1647327600"; d="scan'208";a="268437329" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2022 16:57:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,203,1647327600"; d="scan'208";a="694914415" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orsmga004.jf.intel.com with ESMTP; 05 May 2022 16:57:52 -0700 From: Ricardo Neri To: Thomas Gleixner , x86@kernel.org Subject: [PATCH v6 20/29] init/main: Delay initialization of the lockup detector after smp_init() Date: Thu, 5 May 2022 16:59:59 -0700 Message-Id: <20220506000008.30892-21-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220506000008.30892-1-ricardo.neri-calderon@linux.intel.com> References: <20220506000008.30892-1-ricardo.neri-calderon@linux.intel.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Ravi V. Shankar" , Andi Kleen , linuxppc-dev@lists.ozlabs.org, Joerg Roedel , Ricardo Neri , Stephane Eranian , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Tony Luck , Nicholas Piggin , Suravee Suthikulpanit , Ricardo Neri , Andrew Morton , David Woodhouse , Lu Baolu Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Certain implementations of the hardlockup detector require support for Inter-Processor Interrupt shorthands. On x86, support for these can only be determined after all the possible CPUs have booted once (in smp_init()). Other architectures may not need such check. lockup_detector_init() only performs the initializations of data structures of the lockup detector. Hence, there are no dependencies on smp_init(). Cc: Andi Kleen Cc: Nicholas Piggin Cc: Andrew Morton Cc: Stephane Eranian Cc: "Ravi V. Shankar" Cc: iommu@lists.linux-foundation.org Cc: linuxppc-dev@lists.ozlabs.org Cc: x86@kernel.org Reviewed-by: Tony Luck Signed-off-by: Ricardo Neri --- Changes since v5: * Introduced this patch Changes since v4: * N/A Changes since v3: * N/A Changes since v2: * N/A Changes since v1: * N/A --- init/main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/init/main.c b/init/main.c index 98182c3c2c4b..62c52c9e4c2b 100644 --- a/init/main.c +++ b/init/main.c @@ -1600,9 +1600,11 @@ static noinline void __init kernel_init_freeable(void) rcu_init_tasks_generic(); do_pre_smp_initcalls(); - lockup_detector_init(); smp_init(); + + lockup_detector_init(); + sched_init_smp(); padata_init(); -- 2.17.1