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SubjectRe: [v7 PATCH 6/6] PCI: hip: Add handling of HiSilicon HIP PCIe controller errors
Hi Shiju,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on v5.6]
[also build test WARNING on next-20200407]
[cannot apply to pm/linux-next pci/next linus/master linux/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Shiju-Jose/ACPI-APEI-Add-support-to-notify-non-fatal-HW-errors/20200408-014447
base: 7111951b8d4973bda27ff663f2cf18b663d15b48
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

drivers/pci/controller/pcie-hisi-error.c: In function 'hisi_pcie_handle_error':
>> drivers/pci/controller/pcie-hisi-error.c:246:1: warning: the frame size of 1124 bytes is larger than 1024 bytes [-Wframe-larger-than=]
}
^

vim +246 drivers/pci/controller/pcie-hisi-error.c

181
182 static void hisi_pcie_handle_error(const struct hisi_pcie_error_data *error,
183 struct platform_device *pdev)
184 {
185 char buf[HISI_PCIE_ERR_INFO_SIZE];
186 char *p = buf, *end = buf + sizeof(buf);
187 struct device *dev = &pdev->dev;
188 u32 i;
189 int rc;
190
191 if (error->val_bits == 0) {
192 dev_warn(dev, "%s: no valid error information\n", __func__);
193 return;
194 }
195
196 /* Logging */
197 p += snprintf(p, end - p, "[ Table version=%d ", error->version);
198 if (error->val_bits & HISI_PCIE_LOCAL_VALID_SOC_ID)
199 p += snprintf(p, end - p, "SOC ID=%d ", error->soc_id);
200
201 if (error->val_bits & HISI_PCIE_LOCAL_VALID_SOCKET_ID)
202 p += snprintf(p, end - p, "socket ID=%d ", error->socket_id);
203
204 if (error->val_bits & HISI_PCIE_LOCAL_VALID_NIMBUS_ID)
205 p += snprintf(p, end - p, "nimbus ID=%d ", error->nimbus_id);
206
207 if (error->val_bits & HISI_PCIE_LOCAL_VALID_SUB_MODULE_ID)
208 p += snprintf(p, end - p, "sub module=%s ",
209 hisi_pcie_sub_module_name(error->sub_module_id));
210
211 if (error->val_bits & HISI_PCIE_LOCAL_VALID_CORE_ID)
212 p += snprintf(p, end - p, "core ID=core%d ", error->core_id);
213
214 if (error->val_bits & HISI_PCIE_LOCAL_VALID_PORT_ID)
215 p += snprintf(p, end - p, "port ID=port%d ", error->port_id);
216
217 if (error->val_bits & HISI_PCIE_LOCAL_VALID_ERR_SEVERITY)
218 p += snprintf(p, end - p, "error severity=%s ",
219 hisi_pcie_error_severity(error->err_severity));
220
221 if (error->val_bits & HISI_PCIE_LOCAL_VALID_ERR_TYPE)
222 p += snprintf(p, end - p, "error type=0x%x ", error->err_type);
223
224 p += snprintf(p, end - p, "]\n");
225 dev_info(dev, "\nHISI : HIP : PCIe controller error\n");
226 dev_info(dev, "%s\n", buf);
227
228 dev_info(dev, "Reg Dump:\n");
229 for (i = 0; i < HISI_PCIE_ERR_MISC_REGS; i++) {
230 if (error->val_bits &
231 BIT_ULL(HISI_PCIE_LOCAL_VALID_ERR_MISC + i))
232 dev_info(dev,
233 "ERR_MISC_%d=0x%x\n", i, error->err_misc[i]);
234 }
235
236 /* Recovery for the PCIe controller errors */
237 if (error->err_severity == HISI_ERR_SEV_RECOVERABLE) {
238 /* try reset PCI port for the error recovery */
239 rc = hisi_pcie_port_do_recovery(pdev, error->socket_id,
240 HISI_PCIE_PORT_ID(error->core_id, error->port_id));
241 if (rc) {
242 dev_info(dev, "fail to do hisi pcie port reset\n");
243 return;
244 }
245 }
> 246 }
247

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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