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Message-ID: <202405292251.9wZslCTL-lkp@intel.com>
Date: Wed, 29 May 2024 22:56:13 +0800
From: kernel test robot <lkp@...el.com>
To: admiyo@...amperecomputing.com, Jeremy Kerr <jk@...econstruct.com.au>,
Matt Johnston <matt@...econstruct.com.au>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Adam Young <admiyo@...amperecomputing.com>
Subject: Re: [PATCH 1/3] mctp pcc: Implement MCTP over PCC Transport
Hi,
kernel test robot noticed the following build errors:
[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on rafael-pm/bleeding-edge linus/master v6.10-rc1 next-20240529]
[cannot apply to horms-ipvs/master]
[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/admiyo-os-amperecomputing-com/mctp-pcc-Implement-MCTP-over-PCC-Transport/20240529-072115
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link: https://lore.kernel.org/r/20240513173546.679061-2-admiyo%40os.amperecomputing.com
patch subject: [PATCH 1/3] mctp pcc: Implement MCTP over PCC Transport
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240529/202405292251.9wZslCTL-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project bafda89a0944d947fc4b3b5663185e07a397ac30)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240529/202405292251.9wZslCTL-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/202405292251.9wZslCTL-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/net/mctp/mctp-pcc.c:8:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:10:
In file included from include/linux/mm.h:2253:
include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from drivers/net/mctp/mctp-pcc.c:8:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/net/mctp/mctp-pcc.c:8:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/net/mctp/mctp-pcc.c:8:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from drivers/net/mctp/mctp-pcc.c:17:
include/acpi/acpi_drivers.h:72:43: warning: declaration of 'struct acpi_pci_root' will not be visible outside of this function [-Wvisibility]
72 | struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
| ^
drivers/net/mctp/mctp-pcc.c:90:70: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
90 | static void mctp_pcc_client_rx_callback(struct mbox_client *c, void *)
| ^
drivers/net/mctp/mctp-pcc.c:96:16: warning: variable 'buf_ptr_val' set but not used [-Wunused-but-set-variable]
96 | unsigned long buf_ptr_val;
| ^
drivers/net/mctp/mctp-pcc.c:122:17: warning: variable 'buffer' set but not used [-Wunused-but-set-variable]
122 | unsigned char *buffer;
| ^
>> drivers/net/mctp/mctp-pcc.c:287:16: error: incomplete definition of type 'struct acpi_device'
287 | dev_info(&adev->dev, "Adding mctp_pcc device for HID %s\n", acpi_device_hid(adev));
| ~~~~^
include/linux/dev_printk.h:160:46: note: expanded from macro 'dev_info'
160 | dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~
include/linux/dev_printk.h:110:11: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
include/linux/acpi.h:794:8: note: forward declaration of 'struct acpi_device'
794 | struct acpi_device;
| ^
>> drivers/net/mctp/mctp-pcc.c:287:63: error: call to undeclared function 'acpi_device_hid'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
287 | dev_info(&adev->dev, "Adding mctp_pcc device for HID %s\n", acpi_device_hid(adev));
| ^
drivers/net/mctp/mctp-pcc.c:287:63: note: did you mean 'acpi_device_dep'?
include/acpi/acpi_bus.h:41:6: note: 'acpi_device_dep' declared here
41 | bool acpi_device_dep(acpi_handle target, acpi_handle match);
| ^
>> drivers/net/mctp/mctp-pcc.c:288:15: error: call to undeclared function 'acpi_device_handle'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
288 | dev_handle = acpi_device_handle(adev);
| ^
>> drivers/net/mctp/mctp-pcc.c:288:13: error: incompatible integer to pointer conversion assigning to 'acpi_handle' (aka 'void *') from 'int' [-Wint-conversion]
288 | dev_handle = acpi_device_handle(adev);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/mctp/mctp-pcc.c:293:44: error: incomplete definition of type 'struct acpi_device'
293 | return create_mctp_pcc_netdev(adev, &adev->dev, inbox_index, outbox_index);
| ~~~~^
include/linux/acpi.h:794:8: note: forward declaration of 'struct acpi_device'
794 | struct acpi_device;
| ^
drivers/net/mctp/mctp-pcc.c:295:15: error: incomplete definition of type 'struct acpi_device'
295 | dev_err(&adev->dev, "FAILURE to lookup PCC indexes from CRS");
| ~~~~^
include/linux/dev_printk.h:154:44: note: expanded from macro 'dev_err'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~
include/linux/dev_printk.h:110:11: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
include/linux/acpi.h:794:8: note: forward declaration of 'struct acpi_device'
794 | struct acpi_device;
| ^
>> drivers/net/mctp/mctp-pcc.c:329:27: error: variable has incomplete type 'struct acpi_driver'
329 | static struct acpi_driver mctp_pcc_driver = {
| ^
drivers/net/mctp/mctp-pcc.c:329:15: note: forward declaration of 'struct acpi_driver'
329 | static struct acpi_driver mctp_pcc_driver = {
| ^
>> drivers/net/mctp/mctp-pcc.c:348:7: error: call to undeclared function 'acpi_bus_register_driver'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
348 | rc = acpi_bus_register_driver(&mctp_pcc_driver);
| ^
>> drivers/net/mctp/mctp-pcc.c:358:2: error: call to undeclared function 'acpi_bus_unregister_driver'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
358 | acpi_bus_unregister_driver(&mctp_pcc_driver);
| ^
11 warnings and 9 errors generated.
vim +287 drivers/net/mctp/mctp-pcc.c
278
279 static int mctp_pcc_driver_add(struct acpi_device *adev)
280 {
281 int inbox_index;
282 int outbox_index;
283 acpi_handle dev_handle;
284 acpi_status status;
285 struct lookup_context context = {0, 0, 0};
286
> 287 dev_info(&adev->dev, "Adding mctp_pcc device for HID %s\n", acpi_device_hid(adev));
> 288 dev_handle = acpi_device_handle(adev);
289 status = acpi_walk_resources(dev_handle, "_CRS", lookup_pcct_indices, &context);
290 if (ACPI_SUCCESS(status)) {
291 inbox_index = context.inbox_index;
292 outbox_index = context.outbox_index;
293 return create_mctp_pcc_netdev(adev, &adev->dev, inbox_index, outbox_index);
294 }
295 dev_err(&adev->dev, "FAILURE to lookup PCC indexes from CRS");
296 return -EINVAL;
297 };
298
299 /* pass in adev=NULL to remove all devices
300 */
301 static void mctp_pcc_driver_remove(struct acpi_device *adev)
302 {
303 struct mctp_pcc_ndev *mctp_pcc_dev = NULL;
304 struct list_head *ptr;
305 struct list_head *tmp;
306
307 list_for_each_safe(ptr, tmp, &mctp_pcc_ndevs) {
308 mctp_pcc_dev = list_entry(ptr, struct mctp_pcc_ndev, head);
309 if (!adev || mctp_pcc_dev->acpi_device == adev) {
310 struct net_device *ndev;
311
312 mctp_pcc_dev->cleanup_channel(mctp_pcc_dev->out_chan);
313 mctp_pcc_dev->cleanup_channel(mctp_pcc_dev->in_chan);
314 ndev = mctp_pcc_dev->mdev.dev;
315 if (ndev)
316 mctp_unregister_netdev(ndev);
317 list_del(ptr);
318 if (adev)
319 break;
320 }
321 }
322 };
323
324 static const struct acpi_device_id mctp_pcc_device_ids[] = {
325 { "DMT0001", 0},
326 { "", 0},
327 };
328
> 329 static struct acpi_driver mctp_pcc_driver = {
330 .name = "mctp_pcc",
331 .class = "Unknown",
332 .ids = mctp_pcc_device_ids,
333 .ops = {
334 .add = mctp_pcc_driver_add,
335 .remove = mctp_pcc_driver_remove,
336 .notify = NULL,
337 },
338 .owner = THIS_MODULE,
339
340 };
341
342 static int __init mctp_pcc_mod_init(void)
343 {
344 int rc;
345
346 pr_info("initializing MCTP over PCC\n");
347 INIT_LIST_HEAD(&mctp_pcc_ndevs);
> 348 rc = acpi_bus_register_driver(&mctp_pcc_driver);
349 if (rc < 0)
350 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering driver\n"));
351 return rc;
352 }
353
354 static __exit void mctp_pcc_mod_exit(void)
355 {
356 pr_info("Removing MCTP over PCC transport driver\n");
357 mctp_pcc_driver_remove(NULL);
> 358 acpi_bus_unregister_driver(&mctp_pcc_driver);
359 }
360
--
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https://github.com/intel/lkp-tests/wiki
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