From: kernel test robot <lkp@intel.com>
To: Johannes Berg <johannes.berg@intel.com>
Cc: kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>,
Richard Weinberger <richard@nod.at>
Subject: [linux-next:master 10919/11253] drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:207:17: warning: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type
Date: Sat, 19 Jun 2021 03:13:45 +0800 [thread overview]
Message-ID: <202106190339.C2eUsszW-lkp@intel.com> (raw)
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Hi Johannes,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: e71e3a48a7e89fa71fb70bf4602367528864d2ff
commit: 68f5d3f3b6543266b29e047cfaf9842333019b4c [10919/11253] um: add PCI over virtio emulation driver
config: um-allmodconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=68f5d3f3b6543266b29e047cfaf9842333019b4c
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 68f5d3f3b6543266b29e047cfaf9842333019b4c
# save the attached .config to linux build tree
make W=1 ARCH=um
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:76:15: warning: no previous prototype for '__wrap_devm_ioremap' [-Wmissing-prototypes]
76 | void __iomem *__wrap_devm_ioremap(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:88:7: warning: no previous prototype for '__wrap_devm_memremap' [-Wmissing-prototypes]
88 | void *__wrap_devm_memremap(struct device *dev, resource_size_t offset,
| ^~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:126:7: warning: no previous prototype for '__wrap_devm_memremap_pages' [-Wmissing-prototypes]
126 | void *__wrap_devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:159:7: warning: no previous prototype for '__wrap_phys_to_pfn_t' [-Wmissing-prototypes]
159 | pfn_t __wrap_phys_to_pfn_t(phys_addr_t addr, unsigned long flags)
| ^~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:169:7: warning: no previous prototype for '__wrap_memremap' [-Wmissing-prototypes]
169 | void *__wrap_memremap(resource_size_t offset, size_t size,
| ^~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:180:6: warning: no previous prototype for '__wrap_devm_memunmap' [-Wmissing-prototypes]
180 | void __wrap_devm_memunmap(struct device *dev, void *addr)
| ^~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:190:15: warning: no previous prototype for '__wrap_ioremap' [-Wmissing-prototypes]
190 | void __iomem *__wrap_ioremap(resource_size_t offset, unsigned long size)
| ^~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:196:15: warning: no previous prototype for '__wrap_ioremap_wc' [-Wmissing-prototypes]
196 | void __iomem *__wrap_ioremap_wc(resource_size_t offset, unsigned long size)
| ^~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c: In function '__wrap_iounmap':
>> drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:207:17: warning: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type [-Wdiscarded-qualifiers]
207 | return iounmap(addr);
| ^~~~
In file included from arch/um/include/asm/io.h:7,
from include/linux/io.h:13,
from drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:13:
include/asm-generic/logic_io.h:37:28: note: expected 'void *' but argument is of type 'volatile void *'
37 | void iounmap(void __iomem *addr);
| ~~~~~~~~~~~~~~^~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c: At top level:
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:211:6: warning: no previous prototype for '__wrap_memunmap' [-Wmissing-prototypes]
211 | void __wrap_memunmap(void *addr)
| ^~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:347:18: warning: no previous prototype for '__wrap___request_region' [-Wmissing-prototypes]
347 | struct resource *__wrap___request_region(struct resource *parent,
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:355:5: warning: no previous prototype for '__wrap_insert_resource' [-Wmissing-prototypes]
355 | int __wrap_insert_resource(struct resource *parent, struct resource *res)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:363:5: warning: no previous prototype for '__wrap_remove_resource' [-Wmissing-prototypes]
363 | int __wrap_remove_resource(struct resource *res)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:371:18: warning: no previous prototype for '__wrap___devm_request_region' [-Wmissing-prototypes]
371 | struct resource *__wrap___devm_request_region(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:381:6: warning: no previous prototype for '__wrap___release_region' [-Wmissing-prototypes]
381 | void __wrap___release_region(struct resource *parent, resource_size_t start,
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:389:6: warning: no previous prototype for '__wrap___devm_release_region' [-Wmissing-prototypes]
389 | void __wrap___devm_release_region(struct device *dev, struct resource *parent,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:397:13: warning: no previous prototype for '__wrap_acpi_evaluate_object' [-Wmissing-prototypes]
397 | acpi_status __wrap_acpi_evaluate_object(acpi_handle handle, acpi_string path,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:413:21: warning: no previous prototype for '__wrap_acpi_evaluate_dsm' [-Wmissing-prototypes]
413 | union acpi_object * __wrap_acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
| ^~~~~~~~~~~~~~~~~~~~~~~~
vim +207 drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c
9d27a87ec9e131 Dan Williams 2015-07-10 201
6bc756193ff61b Dan Williams 2015-06-17 202 void __wrap_iounmap(volatile void __iomem *addr)
6bc756193ff61b Dan Williams 2015-06-17 203 {
9bfa84969dd52b Dan Williams 2015-12-11 204 struct nfit_test_resource *nfit_res = get_nfit_res((long) addr);
6bc756193ff61b Dan Williams 2015-06-17 205 if (nfit_res)
6bc756193ff61b Dan Williams 2015-06-17 206 return;
6bc756193ff61b Dan Williams 2015-06-17 @207 return iounmap(addr);
6bc756193ff61b Dan Williams 2015-06-17 208 }
6bc756193ff61b Dan Williams 2015-06-17 209 EXPORT_SYMBOL(__wrap_iounmap);
6bc756193ff61b Dan Williams 2015-06-17 210
:::::: The code at line 207 was first introduced by commit
:::::: 6bc756193ff61bf5e7b3cfedfbb0873bf40f8055 tools/testing/nvdimm: libnvdimm unit test infrastructure
:::::: TO: Dan Williams <dan.j.williams@intel.com>
:::::: CC: Dan Williams <dan.j.williams@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [linux-next:master 10919/11253] drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:207:17: warning: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type
Date: Sat, 19 Jun 2021 03:13:45 +0800 [thread overview]
Message-ID: <202106190339.C2eUsszW-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 7556 bytes --]
Hi Johannes,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: e71e3a48a7e89fa71fb70bf4602367528864d2ff
commit: 68f5d3f3b6543266b29e047cfaf9842333019b4c [10919/11253] um: add PCI over virtio emulation driver
config: um-allmodconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=68f5d3f3b6543266b29e047cfaf9842333019b4c
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 68f5d3f3b6543266b29e047cfaf9842333019b4c
# save the attached .config to linux build tree
make W=1 ARCH=um
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:76:15: warning: no previous prototype for '__wrap_devm_ioremap' [-Wmissing-prototypes]
76 | void __iomem *__wrap_devm_ioremap(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:88:7: warning: no previous prototype for '__wrap_devm_memremap' [-Wmissing-prototypes]
88 | void *__wrap_devm_memremap(struct device *dev, resource_size_t offset,
| ^~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:126:7: warning: no previous prototype for '__wrap_devm_memremap_pages' [-Wmissing-prototypes]
126 | void *__wrap_devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:159:7: warning: no previous prototype for '__wrap_phys_to_pfn_t' [-Wmissing-prototypes]
159 | pfn_t __wrap_phys_to_pfn_t(phys_addr_t addr, unsigned long flags)
| ^~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:169:7: warning: no previous prototype for '__wrap_memremap' [-Wmissing-prototypes]
169 | void *__wrap_memremap(resource_size_t offset, size_t size,
| ^~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:180:6: warning: no previous prototype for '__wrap_devm_memunmap' [-Wmissing-prototypes]
180 | void __wrap_devm_memunmap(struct device *dev, void *addr)
| ^~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:190:15: warning: no previous prototype for '__wrap_ioremap' [-Wmissing-prototypes]
190 | void __iomem *__wrap_ioremap(resource_size_t offset, unsigned long size)
| ^~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:196:15: warning: no previous prototype for '__wrap_ioremap_wc' [-Wmissing-prototypes]
196 | void __iomem *__wrap_ioremap_wc(resource_size_t offset, unsigned long size)
| ^~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c: In function '__wrap_iounmap':
>> drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:207:17: warning: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type [-Wdiscarded-qualifiers]
207 | return iounmap(addr);
| ^~~~
In file included from arch/um/include/asm/io.h:7,
from include/linux/io.h:13,
from drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:13:
include/asm-generic/logic_io.h:37:28: note: expected 'void *' but argument is of type 'volatile void *'
37 | void iounmap(void __iomem *addr);
| ~~~~~~~~~~~~~~^~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c: At top level:
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:211:6: warning: no previous prototype for '__wrap_memunmap' [-Wmissing-prototypes]
211 | void __wrap_memunmap(void *addr)
| ^~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:347:18: warning: no previous prototype for '__wrap___request_region' [-Wmissing-prototypes]
347 | struct resource *__wrap___request_region(struct resource *parent,
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:355:5: warning: no previous prototype for '__wrap_insert_resource' [-Wmissing-prototypes]
355 | int __wrap_insert_resource(struct resource *parent, struct resource *res)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:363:5: warning: no previous prototype for '__wrap_remove_resource' [-Wmissing-prototypes]
363 | int __wrap_remove_resource(struct resource *res)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:371:18: warning: no previous prototype for '__wrap___devm_request_region' [-Wmissing-prototypes]
371 | struct resource *__wrap___devm_request_region(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:381:6: warning: no previous prototype for '__wrap___release_region' [-Wmissing-prototypes]
381 | void __wrap___release_region(struct resource *parent, resource_size_t start,
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:389:6: warning: no previous prototype for '__wrap___devm_release_region' [-Wmissing-prototypes]
389 | void __wrap___devm_release_region(struct device *dev, struct resource *parent,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:397:13: warning: no previous prototype for '__wrap_acpi_evaluate_object' [-Wmissing-prototypes]
397 | acpi_status __wrap_acpi_evaluate_object(acpi_handle handle, acpi_string path,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:413:21: warning: no previous prototype for '__wrap_acpi_evaluate_dsm' [-Wmissing-prototypes]
413 | union acpi_object * __wrap_acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
| ^~~~~~~~~~~~~~~~~~~~~~~~
vim +207 drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c
9d27a87ec9e131 Dan Williams 2015-07-10 201
6bc756193ff61b Dan Williams 2015-06-17 202 void __wrap_iounmap(volatile void __iomem *addr)
6bc756193ff61b Dan Williams 2015-06-17 203 {
9bfa84969dd52b Dan Williams 2015-12-11 204 struct nfit_test_resource *nfit_res = get_nfit_res((long) addr);
6bc756193ff61b Dan Williams 2015-06-17 205 if (nfit_res)
6bc756193ff61b Dan Williams 2015-06-17 206 return;
6bc756193ff61b Dan Williams 2015-06-17 @207 return iounmap(addr);
6bc756193ff61b Dan Williams 2015-06-17 208 }
6bc756193ff61b Dan Williams 2015-06-17 209 EXPORT_SYMBOL(__wrap_iounmap);
6bc756193ff61b Dan Williams 2015-06-17 210
:::::: The code at line 207 was first introduced by commit
:::::: 6bc756193ff61bf5e7b3cfedfbb0873bf40f8055 tools/testing/nvdimm: libnvdimm unit test infrastructure
:::::: TO: Dan Williams <dan.j.williams@intel.com>
:::::: CC: Dan Williams <dan.j.williams@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2021-06-18 19:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-18 19:13 kernel test robot [this message]
2021-06-18 19:13 ` [linux-next:master 10919/11253] drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:207:17: warning: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type kernel test robot
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