All of lore.kernel.org
 help / color / mirror / Atom feed
* [jsarha:topic/cros-sof-v4.19 949/6555] mm/low-mem-notify.c:87:16: sparse: sparse: incorrect type in return expression (different base types)
@ 2022-05-12  2:00 kernel test robot
  0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2022-05-12  2:00 UTC (permalink / raw)
  To: Guenter Roeck; +Cc: kbuild-all, linux-kernel, Luigi Semenzato

tree:   https://github.com/jsarha/linux topic/cros-sof-v4.19
head:   d7a3e91d8d16d1ef8653deec5a1fffc4de034a0c
commit: b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b [949/6555] CHROMIUM: low-mem: Fix return type of low_mem_notify_poll
config: i386-randconfig-s001-20220509 (https://download.01.org/0day-ci/archive/20220512/202205120909.GVWyvFOU-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/jsarha/linux/commit/b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b
        git remote add jsarha https://github.com/jsarha/linux
        git fetch --no-tags jsarha topic/cros-sof-v4.19
        git checkout b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

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


sparse warnings: (new ones prefixed by >>)
>> mm/low-mem-notify.c:87:16: sparse: sparse: incorrect type in return expression (different base types) @@     expected restricted __poll_t @@     got unsigned int [assigned] ret @@
   mm/low-mem-notify.c:87:16: sparse:     expected restricted __poll_t
   mm/low-mem-notify.c:87:16: sparse:     got unsigned int [assigned] ret

vim +87 mm/low-mem-notify.c

89587e9d1c30b5 Luigi Semenzato 2014-04-03  74  
b7ec7fb624dfc8 Guenter Roeck   2018-11-01  75  static __poll_t low_mem_notify_poll(struct file *file, poll_table *wait)
89587e9d1c30b5 Luigi Semenzato 2014-04-03  76  {
89587e9d1c30b5 Luigi Semenzato 2014-04-03  77  	unsigned int ret = 0;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  78  
89587e9d1c30b5 Luigi Semenzato 2014-04-03  79  	/* Update state to reflect any recent freeing. */
89587e9d1c30b5 Luigi Semenzato 2014-04-03  80  	atomic_set(&low_mem_state, is_low_mem_situation());
89587e9d1c30b5 Luigi Semenzato 2014-04-03  81  
89587e9d1c30b5 Luigi Semenzato 2014-04-03  82  	poll_wait(file, &low_mem_wait, wait);
89587e9d1c30b5 Luigi Semenzato 2014-04-03  83  
1fa6b9516423e6 Luigi Semenzato 2012-04-18  84  	if (low_mem_margin_enabled && atomic_read(&low_mem_state) != 0)
89587e9d1c30b5 Luigi Semenzato 2014-04-03  85  		ret = POLLIN;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  86  
89587e9d1c30b5 Luigi Semenzato 2014-04-03 @87  	return ret;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  88  }
89587e9d1c30b5 Luigi Semenzato 2014-04-03  89  

:::::: The code at line 87 was first introduced by commit
:::::: 89587e9d1c30b5f908d4bfe5f2ee0b920c156c14 CHROMIUM: Add /dev/low-mem device for low-memory notification.

:::::: TO: Luigi Semenzato <semenzato@chromium.org>
:::::: CC: Guenter Roeck <groeck@chromium.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

^ permalink raw reply	[flat|nested] 3+ messages in thread
* [jsarha:topic/cros-sof-v4.19 949/6555] mm/low-mem-notify.c:87:16: sparse: sparse: incorrect type in return expression (different base types)
@ 2023-02-04  7:34 kernel test robot
  0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2023-02-04  7:34 UTC (permalink / raw)
  To: oe-kbuild; +Cc: lkp

:::::: 
:::::: Manual check reason: "mm/low-mem-notify.c: fbc_errors <3> is not larger than parent_errors <4>"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Guenter Roeck <groeck@chromium.org>
CC: Luigi Semenzato <semenzato@chromium.org>

tree:   https://github.com/jsarha/linux topic/cros-sof-v4.19
head:   d7a3e91d8d16d1ef8653deec5a1fffc4de034a0c
commit: b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b [949/6555] CHROMIUM: low-mem: Fix return type of low_mem_notify_poll
:::::: branch date: 3 years, 10 months ago
:::::: commit date: 4 years, 3 months ago
config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20230204/202302041536.YTzRxwes-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/jsarha/linux/commit/b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b
        git remote add jsarha https://github.com/jsarha/linux
        git fetch --no-tags jsarha topic/cros-sof-v4.19
        git checkout b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

sparse warnings: (new ones prefixed by >>)
>> mm/low-mem-notify.c:87:16: sparse: sparse: incorrect type in return expression (different base types) @@     expected restricted __poll_t @@     got unsigned int [assigned] ret @@
   mm/low-mem-notify.c:87:16: sparse:     expected restricted __poll_t
   mm/low-mem-notify.c:87:16: sparse:     got unsigned int [assigned] ret

vim +87 mm/low-mem-notify.c

89587e9d1c30b5 Luigi Semenzato 2014-04-03  74  
b7ec7fb624dfc8 Guenter Roeck   2018-11-01  75  static __poll_t low_mem_notify_poll(struct file *file, poll_table *wait)
89587e9d1c30b5 Luigi Semenzato 2014-04-03  76  {
89587e9d1c30b5 Luigi Semenzato 2014-04-03  77  	unsigned int ret = 0;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  78  
89587e9d1c30b5 Luigi Semenzato 2014-04-03  79  	/* Update state to reflect any recent freeing. */
89587e9d1c30b5 Luigi Semenzato 2014-04-03  80  	atomic_set(&low_mem_state, is_low_mem_situation());
89587e9d1c30b5 Luigi Semenzato 2014-04-03  81  
89587e9d1c30b5 Luigi Semenzato 2014-04-03  82  	poll_wait(file, &low_mem_wait, wait);
89587e9d1c30b5 Luigi Semenzato 2014-04-03  83  
1fa6b9516423e6 Luigi Semenzato 2012-04-18  84  	if (low_mem_margin_enabled && atomic_read(&low_mem_state) != 0)
89587e9d1c30b5 Luigi Semenzato 2014-04-03  85  		ret = POLLIN;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  86  
89587e9d1c30b5 Luigi Semenzato 2014-04-03 @87  	return ret;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  88  }
89587e9d1c30b5 Luigi Semenzato 2014-04-03  89  

:::::: The code at line 87 was first introduced by commit
:::::: 89587e9d1c30b5f908d4bfe5f2ee0b920c156c14 CHROMIUM: Add /dev/low-mem device for low-memory notification.

:::::: TO: Luigi Semenzato <semenzato@chromium.org>
:::::: CC: Guenter Roeck <groeck@chromium.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

^ permalink raw reply	[flat|nested] 3+ messages in thread
* [jsarha:topic/cros-sof-v4.19 949/6555] mm/low-mem-notify.c:87:16: sparse: sparse: incorrect type in return expression (different base types)
@ 2023-06-06 20:16 kernel test robot
  0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2023-06-06 20:16 UTC (permalink / raw)
  To: Guenter Roeck; +Cc: oe-kbuild-all, Luigi Semenzato

Hi Guenter,

First bad commit (maybe != root cause):

tree:   https://github.com/jsarha/linux topic/cros-sof-v4.19
head:   d7a3e91d8d16d1ef8653deec5a1fffc4de034a0c
commit: b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b [949/6555] CHROMIUM: low-mem: Fix return type of low_mem_notify_poll
config: sparc-randconfig-s032-20230606 (https://download.01.org/0day-ci/archive/20230607/202306070431.tboKShp1-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.3.0
reproduce:
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/jsarha/linux/commit/b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b
        git remote add jsarha https://github.com/jsarha/linux
        git fetch --no-tags jsarha topic/cros-sof-v4.19
        git checkout b7ec7fb624dfc8d07e722cf2e0e72ff82ebaec7b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306070431.tboKShp1-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> mm/low-mem-notify.c:87:16: sparse: sparse: incorrect type in return expression (different base types) @@     expected restricted __poll_t @@     got unsigned int [assigned] ret @@
   mm/low-mem-notify.c:87:16: sparse:     expected restricted __poll_t
   mm/low-mem-notify.c:87:16: sparse:     got unsigned int [assigned] ret

vim +87 mm/low-mem-notify.c

89587e9d1c30b5 Luigi Semenzato 2014-04-03  74  
b7ec7fb624dfc8 Guenter Roeck   2018-11-01  75  static __poll_t low_mem_notify_poll(struct file *file, poll_table *wait)
89587e9d1c30b5 Luigi Semenzato 2014-04-03  76  {
89587e9d1c30b5 Luigi Semenzato 2014-04-03  77  	unsigned int ret = 0;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  78  
89587e9d1c30b5 Luigi Semenzato 2014-04-03  79  	/* Update state to reflect any recent freeing. */
89587e9d1c30b5 Luigi Semenzato 2014-04-03  80  	atomic_set(&low_mem_state, is_low_mem_situation());
89587e9d1c30b5 Luigi Semenzato 2014-04-03  81  
89587e9d1c30b5 Luigi Semenzato 2014-04-03  82  	poll_wait(file, &low_mem_wait, wait);
89587e9d1c30b5 Luigi Semenzato 2014-04-03  83  
1fa6b9516423e6 Luigi Semenzato 2012-04-18  84  	if (low_mem_margin_enabled && atomic_read(&low_mem_state) != 0)
89587e9d1c30b5 Luigi Semenzato 2014-04-03  85  		ret = POLLIN;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  86  
89587e9d1c30b5 Luigi Semenzato 2014-04-03 @87  	return ret;
89587e9d1c30b5 Luigi Semenzato 2014-04-03  88  }
89587e9d1c30b5 Luigi Semenzato 2014-04-03  89  

:::::: The code at line 87 was first introduced by commit
:::::: 89587e9d1c30b5f908d4bfe5f2ee0b920c156c14 CHROMIUM: Add /dev/low-mem device for low-memory notification.

:::::: TO: Luigi Semenzato <semenzato@chromium.org>
:::::: CC: Guenter Roeck <groeck@chromium.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-06-06 20:17 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-05-12  2:00 [jsarha:topic/cros-sof-v4.19 949/6555] mm/low-mem-notify.c:87:16: sparse: sparse: incorrect type in return expression (different base types) kernel test robot
  -- strict thread matches above, loose matches on Subject: below --
2023-02-04  7:34 kernel test robot
2023-06-06 20:16 kernel test robot

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.