Received: by 2002:a19:ef0c:0:0:0:0:0 with SMTP id n12csp980825lfh; Thu, 27 Jan 2022 04:45:05 -0800 (PST) X-Google-Smtp-Source: ABdhPJwvNgmxXyIzD5/Y/J+DguT3v0r16yF/Gxh4weW9n7sOZu079UXCDIcFTpmvVgij7NhWhkTk X-Received: by 2002:a17:907:a421:: with SMTP id sg33mr2972089ejc.108.1643287505539; Thu, 27 Jan 2022 04:45:05 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1643287505; cv=none; d=google.com; s=arc-20160816; b=LdcVaV/JWlHWCOfVbUp4h9revz98rYPmAou9yEEGN9DFNUbvfTJb2kE+Z3XJE9+Km6 vdCfFImjI3qSMBWNNLcJBGP63Dt2dwOAzQhBOqOsgTbfKUtMWmFXMG/icKHB1GE8eoJ4 vvH5qi6567di0w9mOZBO4pBxR5f/jyrV1hvalxurt7RW45RtXFtBgUqMKQp2pc+9zMie x7JlMQd7RYhT7bVKgiv+tZuIuUpswAA8jmVRYT+T1qJRrcj3zaf3egyT+RPqbbs9C81U ns2n8nNZ7eup9wdh2NEgYi0gyguZHmP/HjrWsOGIq9wCFwYL3Dop0ESvmXlCGowmpqja 4mVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:organization:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=4tbgjShuNJFMoB3Zy+sWDWYzDb1zp65a5qLna2OTfqQ=; b=QUTAiIeiWwoLFp88g+2+EHtK75dhI71yamUxRiHLcU9qZtwZp1wMF3lR1cSJ0xW8Nc S2p9dLryCclAxPPI2fkzPt+dpfFS+FwTCSuTGUoQMFVItMwqD7pMnInzvSskDHztEZ6m qsUf0EUp3LPVSFEsd0UQACFu2zEgH8pdx+qasyoNtaVzWSio7gsSoKmwYmyJxdwrcEa5 zWecwOFwg5Jy102SdDr+6dl8u+40O2RvRNBNdnKLnOSa0R7rsjf14wiaCvPRmzadRz9/ MVLllsPJv8LKrcI+KzzH2tiCGKa1oxuAWLPikGn2SGrjK0Br1mwjHVcp5K5tx0qk/4kY ylKA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=knOstGt2; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 7si1375397ejy.204.2022.01.27.04.44.40; Thu, 27 Jan 2022 04:45:05 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=knOstGt2; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230495AbiA0Gdt (ORCPT + 99 others); Thu, 27 Jan 2022 01:33:49 -0500 Received: from mga07.intel.com ([134.134.136.100]:58739 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229650AbiA0Gdr (ORCPT ); Thu, 27 Jan 2022 01:33:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643265227; x=1674801227; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=oAtC2UENBb/Yx/gPjIbAsh8DxMuVnWALhMreXORpLwE=; b=knOstGt2xMcWq2/x8KS+lysgkI+tzHVex2DPwuJg2uZcLQLwwaH/0vxY fl3p0sWqR6mqMOx6UMiwTaOLuPbxh/Qs6y+Cgendxwnw3SQPg8kyXaCjG zWBfzY1KkeOnthv1ZHQBRwFE6zAkVfwgoyS+Ui8M5Qw3tssYDkxCAgdzf bJOr0kr9KN1eLR5phrfACLOkUJ3SxCL1ZYLz1Dtf4TzJhhMsqIfzK2lVx ZqiO3qgAgIJ3SXTobP+3s0KX5C3y3mRbiKwY8c4TcGUBRKKfvCrE/F7IY 55OAirMne9aAcjfF5CnPMruQHGIUm3wrIbvjoripA5eOkLRMRicj0Sonp Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10239"; a="310077855" X-IronPort-AV: E=Sophos;i="5.88,320,1635231600"; d="scan'208";a="310077855" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2022 22:33:42 -0800 X-IronPort-AV: E=Sophos;i="5.88,320,1635231600"; d="scan'208";a="521097307" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.162]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2022 22:33:38 -0800 Received: by lahna (sSMTP sendmail emulation); Thu, 27 Jan 2022 08:31:20 +0200 Date: Thu, 27 Jan 2022 08:31:20 +0200 From: Mika Westerberg To: Kai-Heng Feng Cc: bhelgaas@google.com, koba.ko@canonical.com, Russell Currey , Oliver O'Halloran , linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] PCI/DPC: Disable DPC service when link is in L2/L3 ready, L2 and L3 state Message-ID: References: <20220127025418.1989642-1-kai.heng.feng@canonical.com> <20220127025418.1989642-2-kai.heng.feng@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220127025418.1989642-2-kai.heng.feng@canonical.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 27, 2022 at 10:54:18AM +0800, Kai-Heng Feng wrote: > Since TLP and DLLP transmission is disabled for a Link in L2/L3 Ready, > L2 and L3 (i.e. device in D3hot and D3cold), and DPC depends on AER, so > also disable DPC here. > > Signed-off-by: Kai-Heng Feng Reviewed-by: Mika Westerberg