On Thu, Mar 23, 2023 at 02:13:22PM +0200, Mike Rapoport wrote: > On Thu, Mar 23, 2023 at 07:50:01AM -0400, Zi Yan wrote: > > On 23 Mar 2023, at 6:40, kernel test robot wrote: > > > > > Hi Zi, > > > > > > FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. > > > > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > > head: fff5a5e7f528b2ed2c335991399a766c2cf01103 > > > commit: 0192445cb2f7ed1cd7a95a0fc8c7645480baba25 arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER > > > date: 6 months ago > > > config: sparc64-buildonly-randconfig-r002-20230322 (https://download.01.org/0day-ci/archive/20230323/202303231810.eJX8zyTf-lkp@xxxxxxxxx/config) > > > > Cc Mike, since he is working on ARCH_FORCE_MAX_ORDER. > > > > This random config sets CONFIG_ARCH_FORCE_MAX_ORDER to -1, causing this error. I am not sure if we need to always set a range for ARCH_FORCE_MAX_ORDER or random config generator should be changed to not use non-positive values. > > I believe it's the same issue as with Kirill's MAX_ORDER change [1]. > Apparently kbuild used an old config as the template and renaming of > Kconfig option caused it to be set to -1. Sorry for the false positive, -1 is wrongly set here, we will look into it and resolve the bug. > _ > [1] https://lore.kernel.org/all/202303201615.Qfu18nWV-lkp@xxxxxxxxx/ > > > BTW, this issue pre-exists my changes. > > > > > compiler: sparc64-linux-gcc (GCC) 12.1.0 > > > reproduce (this is a W=1 build): > > > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > > > chmod +x ~/bin/make.cross > > > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0192445cb2f7ed1cd7a95a0fc8c7645480baba25 > > > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > > > git fetch --no-tags linus master > > > git checkout 0192445cb2f7ed1cd7a95a0fc8c7645480baba25 > > > # save the config file > > > mkdir build_dir && cp config build_dir/.config > > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc64 olddefconfig > > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc64 SHELL=/bin/bash arch/sparc/mm/ drivers/base/regmap/ drivers/media/usb/em28xx/ > > > > > > If you fix the issue, kindly add following tag where applicable > > > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > > | Link: https://lore.kernel.org/oe-kbuild-all/202303231810.eJX8zyTf-lkp@xxxxxxxxx/ > > > > > > All error/warnings (new ones prefixed by >>): > > > > > > In file included from include/linux/gfp.h:7, > > > from include/linux/slab.h:15, > > > from arch/sparc/mm/tsb.c:9: > > > include/linux/mmzone.h:636:33: error: size of array 'free_area' is negative > > > 636 | struct free_area free_area[MAX_ORDER]; > > > | ^~~~~~~~~ > > > arch/sparc/mm/tsb.c: In function 'tsb_grow': > > >>> arch/sparc/mm/tsb.c:405:39: error: left shift count is negative [-Werror=shift-count-negative] > > > 405 | if (max_tsb_size > (PAGE_SIZE << MAX_ORDER)) > > > | ^~ > > > arch/sparc/mm/tsb.c:406:43: error: left shift count is negative [-Werror=shift-count-negative] > > > 406 | max_tsb_size = (PAGE_SIZE << MAX_ORDER); > > > | ^~ > > > cc1: all warnings being treated as errors > > > -- > > > In file included from include/linux/gfp.h:7, > > > from include/linux/slab.h:15, > > > from drivers/base/regmap/regmap-debugfs.c:9: > > > include/linux/mmzone.h:636:33: error: size of array 'free_area' is negative > > > 636 | struct free_area free_area[MAX_ORDER]; > > > | ^~~~~~~~~ > > > drivers/base/regmap/regmap-debugfs.c: In function 'regmap_read_debugfs': > > >>> drivers/base/regmap/regmap-debugfs.c:229:32: warning: left shift count is negative [-Wshift-count-negative] > > > 229 | if (count > (PAGE_SIZE << (MAX_ORDER - 1))) > > > | ^~ > > > drivers/base/regmap/regmap-debugfs.c:230:35: warning: left shift count is negative [-Wshift-count-negative] > > > 230 | count = PAGE_SIZE << (MAX_ORDER - 1); > > > | ^~ > > > drivers/base/regmap/regmap-debugfs.c: In function 'regmap_reg_ranges_read_file': > > > drivers/base/regmap/regmap-debugfs.c:376:32: warning: left shift count is negative [-Wshift-count-negative] > > > 376 | if (count > (PAGE_SIZE << (MAX_ORDER - 1))) > > > | ^~ > > > drivers/base/regmap/regmap-debugfs.c:377:35: warning: left shift count is negative [-Wshift-count-negative] > > > 377 | count = PAGE_SIZE << (MAX_ORDER - 1); > > > | ^~ > > > -- > > > In file included from include/linux/gfp.h:7, > > > from include/linux/xarray.h:15, > > > from include/linux/radix-tree.h:21, > > > from include/linux/idr.h:15, > > > from include/linux/kernfs.h:12, > > > from include/linux/sysfs.h:16, > > > from include/linux/kobject.h:20, > > > from include/linux/of.h:17, > > > from include/linux/irqdomain.h:35, > > > from include/linux/acpi.h:13, > > > from include/linux/i2c.h:13, > > > from drivers/media/usb/em28xx/em28xx.h:22, > > > from drivers/media/usb/em28xx/em28xx-audio.c:14: > > > include/linux/mmzone.h:636:33: error: size of array 'free_area' is negative > > > 636 | struct free_area free_area[MAX_ORDER]; > > > | ^~~~~~~~~ > > > drivers/media/usb/em28xx/em28xx-audio.c: In function 'em28xx_audio_init': > > >>> drivers/media/usb/em28xx/em28xx-audio.c:808:29: warning: variable 'devnr' set but not used [-Wunused-but-set-variable] > > > 808 | static int devnr; > > > | ^~~~~ > > > drivers/media/usb/em28xx/em28xx-audio.c: At top level: > > > drivers/media/usb/em28xx/em28xx-audio.c:47:12: warning: 'index' defined but not used [-Wunused-variable] > > > 47 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; > > > | ^~~~~ > > > > > > > > > vim +405 arch/sparc/mm/tsb.c > > > > > > 0871420fad5844 arch/sparc/mm/tsb.c David S. Miller 2008-11-16 379 > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 380 /* When the RSS of an address space exceeds tsb_rss_limit for a TSB, > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 381 * do_sparc64_fault() invokes this routine to try and grow it. > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 382 * > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 383 * When we reach the maximum TSB size supported, we stick ~0UL into > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 384 * tsb_rss_limit for that TSB so the grow checks in do_sparc64_fault() > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 385 * will not trigger any longer. > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 386 * > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 387 * The TSB can be anywhere from 8K to 1MB in size, in increasing powers > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 388 * of two. The TSB must be aligned to it's size, so f.e. a 512K TSB > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 389 * must be 512K aligned. It also must be physically contiguous, so we > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 390 * cannot use vmalloc(). > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 391 * > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 392 * The idea here is to grow the TSB when the RSS of the process approaches > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 393 * the number of entries that the current TSB can hold at once. Currently, > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 394 * we trigger when the RSS hits 3/4 of the TSB capacity. > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 395 */ > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 396 void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long rss) > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 397 { > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 398 unsigned long max_tsb_size = 1 * 1024 * 1024; > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 399 unsigned long new_size, old_size, flags; > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 400 struct tsb *old_tsb, *new_tsb; > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 401 unsigned long new_cache_index, old_cache_index; > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 402 unsigned long new_rss_limit; > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 403 gfp_t gfp_flags; > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 404 > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 @405 if (max_tsb_size > (PAGE_SIZE << MAX_ORDER)) > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 406 max_tsb_size = (PAGE_SIZE << MAX_ORDER); > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 407 > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 408 new_cache_index = 0; > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 409 for (new_size = 8192; new_size < max_tsb_size; new_size <<= 1UL) { > > > 0871420fad5844 arch/sparc/mm/tsb.c David S. Miller 2008-11-16 410 new_rss_limit = tsb_size_to_rss_limit(new_size); > > > 0871420fad5844 arch/sparc/mm/tsb.c David S. Miller 2008-11-16 411 if (new_rss_limit > rss) > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 412 break; > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 413 new_cache_index++; > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 414 } > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 415 > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 416 if (new_size == max_tsb_size) > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 417 new_rss_limit = ~0UL; > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 418 > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 419 retry_tsb_alloc: > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 420 gfp_flags = GFP_KERNEL; > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 421 if (new_size > (PAGE_SIZE * 2)) > > > a55ee1ff751f88 arch/sparc/mm/tsb.c David S. Miller 2013-02-19 422 gfp_flags |= __GFP_NOWARN | __GFP_NORETRY; > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 423 > > > 1f261ef53ba066 arch/sparc64/mm/tsb.c David S. Miller 2008-03-19 424 new_tsb = kmem_cache_alloc_node(tsb_caches[new_cache_index], > > > 1f261ef53ba066 arch/sparc64/mm/tsb.c David S. Miller 2008-03-19 425 gfp_flags, numa_node_id()); > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 426 if (unlikely(!new_tsb)) { > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 427 /* Not being able to fork due to a high-order TSB > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 428 * allocation failure is very bad behavior. Just back > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 429 * down to a 0-order allocation and force no TSB > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 430 * growing for this address space. > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 431 */ > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 432 if (mm->context.tsb_block[tsb_index].tsb == NULL && > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 433 new_cache_index > 0) { > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 434 new_cache_index = 0; > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 435 new_size = 8192; > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 436 new_rss_limit = ~0UL; > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 437 goto retry_tsb_alloc; > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 438 } > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 439 > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 440 /* If we failed on a TSB grow, we are under serious > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 441 * memory pressure so don't try to grow any more. > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 442 */ > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 443 if (mm->context.tsb_block[tsb_index].tsb != NULL) > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 444 mm->context.tsb_block[tsb_index].tsb_rss_limit = ~0UL; > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 445 return; > > > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 446 } > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 447 > > > 8b234274418d6d arch/sparc64/mm/tsb.c David S. Miller 2006-02-17 448 /* Mark all tags as invalid. */ > > > bb8646d8340fa7 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 449 tsb_init(new_tsb, new_size); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 450 > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 451 /* Ok, we are about to commit the changes. If we are > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 452 * growing an existing TSB the locking is very tricky, > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 453 * so WATCH OUT! > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 454 * > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 455 * We have to hold mm->context.lock while committing to the > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 456 * new TSB, this synchronizes us with processors in > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 457 * flush_tsb_user() and switch_mm() for this address space. > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 458 * > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 459 * But even with that lock held, processors run asynchronously > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 460 * accessing the old TSB via TLB miss handling. This is OK > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 461 * because those actions are just propagating state from the > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 462 * Linux page tables into the TSB, page table mappings are not > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 463 * being changed. If a real fault occurs, the processor will > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 464 * synchronize with us when it hits flush_tsb_user(), this is > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 465 * also true for the case where vmscan is modifying the page > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 466 * tables. The only thing we need to be careful with is to > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 467 * skip any locked TSB entries during copy_tsb(). > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 468 * > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 469 * When we finish committing to the new TSB, we have to drop > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 470 * the lock and ask all other cpus running this address space > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 471 * to run tsb_context_switch() to see the new TSB table. > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 472 */ > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 473 spin_lock_irqsave(&mm->context.lock, flags); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 474 > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 475 old_tsb = mm->context.tsb_block[tsb_index].tsb; > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 476 old_cache_index = > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 477 (mm->context.tsb_block[tsb_index].tsb_reg_val & 0x7UL); > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 478 old_size = (mm->context.tsb_block[tsb_index].tsb_nentries * > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 479 sizeof(struct tsb)); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 480 > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 481 > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 482 /* Handle multiple threads trying to grow the TSB at the same time. > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 483 * One will get in here first, and bump the size and the RSS limit. > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 484 * The others will get in here next and hit this check. > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 485 */ > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 486 if (unlikely(old_tsb && > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 487 (rss < mm->context.tsb_block[tsb_index].tsb_rss_limit))) { > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 488 spin_unlock_irqrestore(&mm->context.lock, flags); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 489 > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 490 kmem_cache_free(tsb_caches[new_cache_index], new_tsb); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 491 return; > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 492 } > > > 8b234274418d6d arch/sparc64/mm/tsb.c David S. Miller 2006-02-17 493 > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 494 mm->context.tsb_block[tsb_index].tsb_rss_limit = new_rss_limit; > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 495 > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 496 if (old_tsb) { > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 497 extern void copy_tsb(unsigned long old_tsb_base, > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 498 unsigned long old_tsb_size, > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 499 unsigned long new_tsb_base, > > > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 500 unsigned long new_tsb_size, > > > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 501 unsigned long page_size_shift); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 502 unsigned long old_tsb_base = (unsigned long) old_tsb; > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 503 unsigned long new_tsb_base = (unsigned long) new_tsb; > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 504 > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 505 if (tlb_type == cheetah_plus || tlb_type == hypervisor) { > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 506 old_tsb_base = __pa(old_tsb_base); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 507 new_tsb_base = __pa(new_tsb_base); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 508 } > > > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 509 copy_tsb(old_tsb_base, old_size, new_tsb_base, new_size, > > > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 510 tsb_index == MM_TSB_BASE ? > > > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 511 PAGE_SHIFT : REAL_HPAGE_SHIFT); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 512 } > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 513 > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 514 mm->context.tsb_block[tsb_index].tsb = new_tsb; > > > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 515 setup_tsb_params(mm, tsb_index, new_size); > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 516 > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 517 spin_unlock_irqrestore(&mm->context.lock, flags); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 518 > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 519 /* If old_tsb is NULL, we're being invoked for the first time > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 520 * from init_new_context(). > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 521 */ > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 522 if (old_tsb) { > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 523 /* Reload it on the local cpu. */ > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 524 tsb_context_switch(mm); > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 525 > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 526 /* Now force other processors to do the same. */ > > > a3cf5e6b6f2548 arch/sparc64/mm/tsb.c David S. Miller 2008-08-03 527 preempt_disable(); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 528 smp_tsb_sync(mm); > > > a3cf5e6b6f2548 arch/sparc64/mm/tsb.c David S. Miller 2008-08-03 529 preempt_enable(); > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 530 > > > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 531 /* Now it is safe to free the old tsb. */ > > > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 532 kmem_cache_free(tsb_caches[old_cache_index], old_tsb); > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 533 } > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 534 } > > > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 535 > > > > > > :::::: The code at line 405 was first introduced by commit > > > :::::: bd40791e1d289d807b8580abe1f117e9c62894e4 [SPARC64]: Dynamically grow TSB in response to RSS growth. > > > > > > :::::: TO: David S. Miller <davem@xxxxxxxxxxxxx> > > > :::::: CC: David S. Miller <davem@xxxxxxxxxxxxxxxxxxxx> > > > > > > -- > > > 0-DAY CI Kernel Test Service > > > https://github.com/intel/lkp-tests > > > > -- > > Best Regards, > > Yan, Zi > > > > -- > Sincerely yours, > Mike. >
