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Message-ID: <202409290413.EtVuNEgl-lkp@intel.com>
Date: Sun, 29 Sep 2024 04:56:04 +0800
From: kernel test robot <lkp@...el.com>
To: Wei Huang <wei.huang2@....com>, linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
netdev@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Jonathan.Cameron@...wei.com, helgaas@...nel.org, corbet@....net,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, alex.williamson@...hat.com, gospo@...adcom.com,
michael.chan@...adcom.com, ajit.khaparde@...adcom.com,
somnath.kotur@...adcom.com, andrew.gospodarek@...adcom.com,
manoj.panicker2@....com, Eric.VanTassell@....com,
wei.huang2@....com, vadim.fedorenko@...ux.dev, horms@...nel.org,
bagasdotme@...il.com, bhelgaas@...gle.com, lukas@...ner.de,
paul.e.luse@...el.com, jing2.liu@...el.com
Subject: Re: [PATCH V6 2/5] PCI/TPH: Add Steering Tag support
Hi Wei,
kernel test robot noticed the following build errors:
[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus linus/master next-20240927]
[cannot apply to v6.11]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Wei-Huang/PCI-Add-TLP-Processing-Hints-TPH-support/20240928-055915
base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link: https://lore.kernel.org/r/20240927215653.1552411-3-wei.huang2%40amd.com
patch subject: [PATCH V6 2/5] PCI/TPH: Add Steering Tag support
config: x86_64-buildonly-randconfig-001-20240929 (https://download.01.org/0day-ci/archive/20240929/202409290413.EtVuNEgl-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240929/202409290413.EtVuNEgl-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409290413.EtVuNEgl-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/pci/tph.c:230:19: error: no member named 'msix_base' in 'struct pci_dev'; did you mean 'msix_cap'?
230 | vec_ctrl = pdev->msix_base + msix_idx * PCI_MSIX_ENTRY_SIZE;
| ^~~~~~~~~
| msix_cap
include/linux/pci.h:350:6: note: 'msix_cap' declared here
350 | u8 msix_cap; /* MSI-X capability offset */
| ^
drivers/pci/tph.c:236:9: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((mask), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (mask)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare]
236 | val |= FIELD_PREP(mask, st_val);
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:115:3: note: expanded from macro 'FIELD_PREP'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:72:53: note: expanded from macro '__BF_FIELD_CHECK'
72 | BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
73 | __bf_cast_unsigned(_reg, ~0ull), \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
74 | _pfx "type of reg too small for mask"); \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:58: note: expanded from macro 'BUILD_BUG_ON_MSG'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
include/linux/compiler_types.h:517:22: note: expanded from macro 'compiletime_assert'
517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:505:23: note: expanded from macro '_compiletime_assert'
505 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
1 warning and 1 error generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for CRYPTO_CRC32C_INTEL
Depends on [n]: CRYPTO [=y] && !KMSAN [=y] && X86 [=y]
Selected by [y]:
- ISCSI_TARGET [=y] && TARGET_CORE [=y] && INET [=y] && X86 [=y]
vim +230 drivers/pci/tph.c
205
206 /* Write ST to MSI-X vector control reg - Return 0 if OK, otherwise -errno */
207 static int write_tag_to_msix(struct pci_dev *pdev, int msix_idx, u16 tag)
208 {
209 struct msi_desc *msi_desc = NULL;
210 void __iomem *vec_ctrl;
211 u32 val, mask, st_val;
212 int err = 0;
213
214 msi_lock_descs(&pdev->dev);
215
216 /* Find the msi_desc entry with matching msix_idx */
217 msi_for_each_desc(msi_desc, &pdev->dev, MSI_DESC_ASSOCIATED) {
218 if (msi_desc->msi_index == msix_idx)
219 break;
220 }
221
222 if (!msi_desc) {
223 err = -ENXIO;
224 goto err_out;
225 }
226
227 st_val = (u32)tag;
228
229 /* Get the vector control register (offset 0xc) pointed by msix_idx */
> 230 vec_ctrl = pdev->msix_base + msix_idx * PCI_MSIX_ENTRY_SIZE;
231 vec_ctrl += PCI_MSIX_ENTRY_VECTOR_CTRL;
232
233 val = readl(vec_ctrl);
234 mask = PCI_MSIX_ENTRY_CTRL_ST_LOWER | PCI_MSIX_ENTRY_CTRL_ST_UPPER;
235 val &= ~mask;
236 val |= FIELD_PREP(mask, st_val);
237 writel(val, vec_ctrl);
238
239 /* Read back to flush the update */
240 val = readl(vec_ctrl);
241
242 err_out:
243 msi_unlock_descs(&pdev->dev);
244 return err;
245 }
246
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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