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[173.79.56.208]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6e43bad58c0sm50428806d6.118.2025.02.10.12.16.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 12:16:29 -0800 (PST) Date: Mon, 10 Feb 2025 15:16:27 -0500 From: Gregory Price To: Terry Bowman Cc: linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, nifan.cxl@gmail.com, dave@stgolabs.net, jonathan.cameron@huawei.com, dave.jiang@intel.com, alison.schofield@intel.com, vishal.l.verma@intel.com, dan.j.williams@intel.com, bhelgaas@google.com, mahesh@linux.ibm.com, ira.weiny@intel.com, oohall@gmail.com, Benjamin.Cheatham@amd.com, rrichter@amd.com, nathan.fontenot@amd.com, Smita.KoralahalliChannabasappa@amd.com, lukas@wunner.de, ming.li@zohomail.com, PradeepVineshReddy.Kodamati@amd.com Subject: Re: [PATCH v6 09/17] cxl/pci: Update RAS handler interfaces to also support CXL PCIe Ports Message-ID: References: <20250208002941.4135321-1-terry.bowman@amd.com> <20250208002941.4135321-10-terry.bowman@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250208002941.4135321-10-terry.bowman@amd.com> On Fri, Feb 07, 2025 at 06:29:33PM -0600, Terry Bowman wrote: > diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c > index 4af39abbfab3..0adebf261fe7 100644 > --- a/drivers/cxl/core/pci.c > +++ b/drivers/cxl/core/pci.c > @@ -652,7 +652,7 @@ void read_cdat_data(struct cxl_port *port) > } > EXPORT_SYMBOL_NS_GPL(read_cdat_data, "CXL"); > > -static void __cxl_handle_cor_ras(struct cxl_dev_state *cxlds, > +static void __cxl_handle_cor_ras(struct device *dev, > void __iomem *ras_base) > { > void __iomem *addr; > @@ -663,10 +663,8 @@ static void __cxl_handle_cor_ras(struct cxl_dev_state *cxlds, > > addr = ras_base + CXL_RAS_CORRECTABLE_STATUS_OFFSET; > status = readl(addr); > - if (!(status & CXL_RAS_CORRECTABLE_STATUS_MASK)) { > - dev_err(cxl_dev, "%s():%d: CE Status is empty\n", __func__, __LINE__); > + if (!(status & CXL_RAS_CORRECTABLE_STATUS_MASK)) > return; > - } > writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr); > > if (is_cxl_memdev(cxl_dev)) This seems like where you actually wanted this original change: diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c index aa855c2068e0..a0c78655a8af 100644 --- a/drivers/cxl/core/pci.c +++ b/drivers/cxl/core/pci.c @@ -714,7 +714,7 @@ void cxl_cper_trace_uncorr_port_prot_err(struct pci_dev *pdev, } EXPORT_SYMBOL_NS_GPL(cxl_cper_trace_uncorr_port_prot_err, "CXL"); -static void __cxl_handle_cor_ras(struct cxl_dev_state *cxlds, +static void __cxl_handle_cor_ras(struct device *dev, void __iomem *ras_base) { void __iomem *addr; @@ -725,15 +725,19 @@ static void __cxl_handle_cor_ras(struct cxl_dev_state *cxlds, addr = ras_base + CXL_RAS_CORRECTABLE_STATUS_OFFSET; status = readl(addr); - if (status & CXL_RAS_CORRECTABLE_STATUS_MASK) { - writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr); - trace_cxl_aer_correctable_error(cxlds->cxlmd, status); - } + if (!(status & CXL_RAS_CORRECTABLE_STATUS_MASK)) + return; + writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr); + + if (is_cxl_memdev(dev)) + trace_cxl_aer_correctable_error(to_cxl_memdev(dev), status); + else if (is_cxl_port(dev)) + trace_cxl_port_aer_correctable_error(dev, status); }