Hi Waiman, [auto build test WARNING on tip/locking/core] [also build test WARNING on v4.10-rc6 next-20170201] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Waiman-Long/locking-spinlock_debug-Change-it-to-a-mostly-fair-lock/20170202-024626 config: s390-default_defconfig (attached as .config) compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=s390 All warnings (new ones prefixed by >>): block/blk-cgroup.c: In function 'blkg_destroy': >> block/blk-cgroup.c:353:1: warning: the frame size of 1032 bytes is larger >> than 1024 bytes [-Wframe-larger-than=] } ^ -- fs/lockd/svcsubs.c: In function 'nlmsvc_mark_resources': >> fs/lockd/svcsubs.c:376:1: warning: the frame size of 1032 bytes is larger >> than 1024 bytes [-Wframe-larger-than=] } ^ vim +353 block/blk-cgroup.c e8989fae Tejun Heo 2012-03-05 337 list_del_init(&blkg->q_node); 9f13ef67 Tejun Heo 2012-03-05 338 hlist_del_init_rcu(&blkg->blkcg_node); 03aa264a Tejun Heo 2012-03-05 339 03aa264a Tejun Heo 2012-03-05 340 /* a637120e Tejun Heo 2012-04-19 341 * Both setting lookup hint to and clearing it from @blkg are done a637120e Tejun Heo 2012-04-19 342 * under queue_lock. If it's not pointing to @blkg now, it never a637120e Tejun Heo 2012-04-19 343 * will. Hint assignment itself can race safely. a637120e Tejun Heo 2012-04-19 344 */ ec6c676a Paul E. McKenney 2014-02-17 345 if (rcu_access_pointer(blkcg->blkg_hint) == blkg) a637120e Tejun Heo 2012-04-19 346 rcu_assign_pointer(blkcg->blkg_hint, NULL); a637120e Tejun Heo 2012-04-19 347 a637120e Tejun Heo 2012-04-19 348 /* 03aa264a Tejun Heo 2012-03-05 349 * Put the reference taken at the time of creation so that when all 03aa264a Tejun Heo 2012-03-05 350 * queues are gone, group can be destroyed. 03aa264a Tejun Heo 2012-03-05 351 */ 03aa264a Tejun Heo 2012-03-05 352 blkg_put(blkg); 03aa264a Tejun Heo 2012-03-05 @353 } 03aa264a Tejun Heo 2012-03-05 354 9f13ef67 Tejun Heo 2012-03-05 355 /** 9f13ef67 Tejun Heo 2012-03-05 356 * blkg_destroy_all - destroy all blkgs associated with a request_queue 9f13ef67 Tejun Heo 2012-03-05 357 * @q: request_queue of interest 9f13ef67 Tejun Heo 2012-03-05 358 * 3c96cb32 Tejun Heo 2012-04-13 359 * Destroy all blkgs associated with @q. 9f13ef67 Tejun Heo 2012-03-05 360 */ 3c96cb32 Tejun Heo 2012-04-13 361 static void blkg_destroy_all(struct request_queue *q) :::::: The code at line 353 was first introduced by commit :::::: 03aa264ac15637b6f98374270bcdf31400965505 blkcg: let blkcg core manage per-queue blkg list and counter :::::: TO: Tejun Heo <[email protected]> :::::: CC: Jens Axboe <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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