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[98.207.191.243]) by smtp.googlemail.com with ESMTPSA id y15-20020a655b0f000000b0040d75537824sm4735325pgq.86.2022.07.11.16.02.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jul 2022 16:02:12 -0700 (PDT) Date: Mon, 11 Jul 2022 16:02:11 -0700 From: Mohamed Khalfella To: Bjorn Helgaas Cc: stable@vger.kernel.org, Meeta Saggi , Eric Badger , Russell Currey , Oliver O'Halloran , Bjorn Helgaas , "open list:PCI ENHANCED ERROR HANDLING (EEH) FOR POWERPC" , "open list:PCI SUBSYSTEM" , open list Subject: Re: [PATCH] PCI/AER: Iterate over error counters instead of error strings Message-ID: <20220711230211.GD3182270@medusa> References: <20220509181441.31884-1-mkhalfella@purestorage.com> <20220711225437.GA703490@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220711225437.GA703490@bhelgaas> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On 2022-07-11 17:54:37 -0500, Bjorn Helgaas wrote: > On Mon, May 09, 2022 at 06:14:41PM +0000, Mohamed Khalfella wrote: > > PCI AER stats counters sysfs attributes need to iterate over > > stats counters instead of stats names. Also, added a build > > time check to make sure all counters have entries in strings > > array. > > > > Fixes: 0678e3109a3c ("PCI/AER: Simplify __aer_print_error()") > > Cc: stable@vger.kernel.org > > Reported-by: Meeta Saggi > > Signed-off-by: Mohamed Khalfella > > Reviewed-by: Meeta Saggi > > Reviewed-by: Eric Badger > > I added some info about why we need this to the commit log and applied > to pci/err for v5.20. Thank you! That is good news! Thank you for helping out. > > > --- > > drivers/pci/pcie/aer.c | 7 ++++++- > > 1 file changed, 6 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c > > index 9fa1f97e5b27..ce99a6d44786 100644 > > --- a/drivers/pci/pcie/aer.c > > +++ b/drivers/pci/pcie/aer.c > > @@ -533,7 +533,7 @@ static const char *aer_agent_string[] = { > > u64 *stats = pdev->aer_stats->stats_array; \ > > size_t len = 0; \ > > \ > > - for (i = 0; i < ARRAY_SIZE(strings_array); i++) { \ > > + for (i = 0; i < ARRAY_SIZE(pdev->aer_stats->stats_array); i++) {\ > > if (strings_array[i]) \ > > len += sysfs_emit_at(buf, len, "%s %llu\n", \ > > strings_array[i], \ > > @@ -1342,6 +1342,11 @@ static int aer_probe(struct pcie_device *dev) > > struct device *device = &dev->device; > > struct pci_dev *port = dev->port; > > > > + BUILD_BUG_ON(ARRAY_SIZE(aer_correctable_error_string) < > > + AER_MAX_TYPEOF_COR_ERRS); > > + BUILD_BUG_ON(ARRAY_SIZE(aer_uncorrectable_error_string) < > > + AER_MAX_TYPEOF_UNCOR_ERRS); > > + > > /* Limit to Root Ports or Root Complex Event Collectors */ > > if ((pci_pcie_type(port) != PCI_EXP_TYPE_RC_EC) && > > (pci_pcie_type(port) != PCI_EXP_TYPE_ROOT_PORT)) > > -- > > 2.29.0 > >