Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1329330

Re: [PATCH RT] mm: backing-dev: don't disable IRQs in wb_congested_put()

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

Hi Sebastian,

[auto build test ERROR on v4.5-rc3]
[also build test ERROR on next-20160208]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Sebastian-Andrzej-Siewior/mm-backing-dev-don-t-disable-IRQs-in-wb_congested_put/20160209-003634
config: x86_64-randconfig-x011-201606 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   mm/backing-dev.c: In function 'wb_congested_put':
>> mm/backing-dev.c:460:2: error: implicit declaration of function 'local_irq_save_nort' [-Werror=implicit-function-declaration]
     local_irq_save_nort(flags);
     ^
>> mm/backing-dev.c:462:3: error: implicit declaration of function 'local_irq_restore_nort' [-Werror=implicit-function-declaration]
      local_irq_restore_nort(flags);
      ^
>> mm/backing-dev.c:460:2: warning: 'flags' is used uninitialized in this function [-Wuninitialized]
     local_irq_save_nort(flags);
     ^
   cc1: some warnings being treated as errors

vim +/local_irq_save_nort +460 mm/backing-dev.c

   454	 * Put @congested and destroy it if the refcnt reaches zero.
   455	 */
   456	void wb_congested_put(struct bdi_writeback_congested *congested)
   457	{
   458		unsigned long flags;
   459	
 > 460		local_irq_save_nort(flags);
   461		if (!atomic_dec_and_lock(&congested->refcnt, &cgwb_lock)) {
 > 462			local_irq_restore_nort(flags);
   463			return;
   464		}
   465	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH RT] mm: backing-dev: don't disable IRQs in wb_congested_put() Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-02-08 17:40 +0100
  Re: [PATCH RT] mm: backing-dev: don't disable IRQs in  wb_congested_put() kbuild test robot <lkp@intel.com> - 2016-02-08 18:00 +0100

csiph-web