Messages in this thread | | | Date | Tue, 9 Feb 2016 00:49:51 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH RT] mm: backing-dev: don't disable IRQs in wb_congested_put() |
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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
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