From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-o94.zoho.com (sender4-pp-o94.zoho.com [136.143.188.94]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4577E610C; Thu, 13 Mar 2025 01:04:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.94 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741827850; cv=pass; b=EBToTX8yHquM8FpCOJm3cidurztPE3ga2gueH1lGZ2hGceL7BYAHLQG6NKf5zYExEjiwYnTftYdMG59YNrQ7ySfJNDE259SieCL1vzcjDlvMQ+cvs9aOy0VIYXNRwJFm7NiP8AZAKGHwPh6ZX1EkVfCFl/HNk56taFHEzhkeiz8= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741827850; c=relaxed/simple; bh=ptb1yCGQ4eC7RLKos73sOEELe/orMTxmvpyeLMtCFl4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=TMEU9uB4SGPj8ixVTcB16KXVQ9nRnntli6Q2zOj16SnyBqU+Wq1FaXx+9AfIBWVj+PSNPGdm7HUIl66sMx9jL6Wqro6OLr4thjmuX0dCh92Wy1F8iCldpWF/BfSlq0L0H28cOUlDTLlhxBtfCeGf3TjMSCmAbqE07gXB+UMJ//g= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=zohomail.com; spf=pass smtp.mailfrom=zohomail.com; dkim=pass (1024-bit key) header.d=zohomail.com header.i=ming.li@zohomail.com header.b=Qv19dkBB; arc=pass smtp.client-ip=136.143.188.94 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=zohomail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zohomail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=zohomail.com header.i=ming.li@zohomail.com header.b="Qv19dkBB" ARC-Seal: i=1; a=rsa-sha256; t=1741827833; cv=none; d=zohomail.com; s=zohoarc; b=LSakLUeVxsKSb0zO1w7LB1dZTZqIDAoWyYGKHJCkVoQv0FnTDfTce+ZLNxe6K7JnNTm/zajbeuIkTs03qvRWRigLimH1877YOl1ahWdbl60T5ztn/l66hobGE+aNskRxyBNn+kmf7Ou3jJWLpdmNfYS0AXhF9meWL+4YTLQe9iU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1741827833; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=ptb1yCGQ4eC7RLKos73sOEELe/orMTxmvpyeLMtCFl4=; b=JfA8pR0fc0lyoRw8VR7OszJPsEpLmJrPdEt3ufJzFZT6orPCrewUpn/Iw5SauCf3YEgLdFaLLVpFFQ9SIXnJqh39Cjo6gWOtvB1Nk7qE8OgtXI1CgRvuq45Y78GH1Lw7Kje2yKFsg0K40rKxqj7J2MhYje6Gs5kUI7aUa+nq0Sg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=zohomail.com; spf=pass smtp.mailfrom=ming.li@zohomail.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1741827833; s=zm2022; d=zohomail.com; i=ming.li@zohomail.com; h=Message-ID:Date:Date:MIME-Version:Subject:Subject:To:To:Cc:Cc:References:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Feedback-ID:Message-Id:Reply-To; bh=ptb1yCGQ4eC7RLKos73sOEELe/orMTxmvpyeLMtCFl4=; b=Qv19dkBBwjfRenbEyZ/HL9jDH1WWdcKYNMSebaRN3xWaTFr0Lo5I/BaesSafZWlO WTPn0srAkoD9qw8VH7u7nLo1xDPKRCD2eMTgiXegZ60YIiwKW2uFano9M5WBJTKWvQx lQrvr5/0LMu6CyTQ4HsNj4Mignkg0xLGznssyeLc= Received: by mx.zohomail.com with SMTPS id 1741827829825799.672780763442; Wed, 12 Mar 2025 18:03:49 -0700 (PDT) Message-ID: <4f4e317d-58b2-4059-b112-3c1b78318bbe@zohomail.com> Date: Thu, 13 Mar 2025 09:03:48 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 2/2] cxl/pci: Add trace logging for CXL PCIe Port RAS errors To: Smita Koralahalli Cc: Ard Biesheuvel , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Jonathan Cameron , Yazen Ghannam , Terry Bowman , linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org References: <20250310223839.31342-1-Smita.KoralahalliChannabasappa@amd.com> <20250310223839.31342-3-Smita.KoralahalliChannabasappa@amd.com> From: Li Ming In-Reply-To: <20250310223839.31342-3-Smita.KoralahalliChannabasappa@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Feedback-ID: rr080112270e82c9f0dc2504648a7b86170000d92694ecc7679e2082b24297b4cabd468975f129665d0a3483:zu080112279b589e74fc085fca390b28310000849fe36478de3f69138160128452bed8fe068e39b2cc6f6241:rf0801122db6a371974be10396513b27d9000082f3925b01915223fb5e2e15a2baadc78ffc94e3afb39c24f3d5c03c2307dd:ZohoMail X-ZohoMailClient: External On 3/11/2025 6:38 AM, Smita Koralahalli wrote: > The CXL drivers use kernel trace functions for logging endpoint and > Restricted CXL host (RCH) Downstream Port RAS errors. Similar functionality > is required for CXL Root Ports, CXL Downstream Switch Ports, and CXL > Upstream Switch Ports. > > Introduce trace logging functions for both RAS correctable and > uncorrectable errors specific to CXL PCIe Ports. Use them to trace > FW-First Protocol errors. > > Co-developed-by: Terry Bowman > Signed-off-by: Terry Bowman > Signed-off-by: Smita Koralahalli > Reviewed-by: Ira Weiny Reviewed-by: Li Ming