June 2020 - kbuild-all

by kernel test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7c30b859a947535f2213277e827d7ac7dcff9c84 commit: 57a10d8c1123068e3cb06434fbc9634f945d3062 ptp: Add a ptp clock driver for IDT 82P33 SMU. date: 4 months ago config: openrisc-randconfig-c003-20200629 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): ERROR: "__mulsi3" [drivers/iio/multiplexer/iio-mux.ko] undefined! ERROR: "__mulsi3" [drivers/iio/magnetometer/st_magn.ko] undefined! ERROR: "__mulsi3" [drivers/iio/magnetometer/bmc150_magn.ko] undefined! ERROR: "__mulsi3" [drivers/iio/light/si1133.ko] undefined! ERROR: "__mulsi3" [drivers/iio/light/tsl2563.ko] undefined! ERROR: "__mulsi3" [drivers/iio/light/max44009.ko] undefined! ERROR: "__mulsi3" [drivers/iio/light/max44000.ko] undefined! ERROR: "__mulsi3" [drivers/iio/light/ltr501.ko] undefined! ERROR: "__mulsi3" [drivers/iio/light/cm3232.ko] undefined! ERROR: "__mulsi3" [drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.ko] undefined! ERROR: "__mulsi3" [drivers/iio/humidity/dht11.ko] undefined! ERROR: "__mulsi3" [drivers/iio/common/st_sensors/st_sensors.ko] undefined! ERROR: "__mulsi3" [drivers/iio/chemical/sps30.ko] undefined! ERROR: "__mulsi3" [drivers/iio/chemical/bme680_core.ko] undefined! ERROR: "__mulsi3" [drivers/iio/adc/stmpe-adc.ko] undefined! ERROR: "__mulsi3" [drivers/iio/adc/qcom-spmi-vadc.ko] undefined! ERROR: "__mulsi3" [drivers/iio/adc/qcom-vadc-common.ko] undefined! ERROR: "__mulsi3" [drivers/iio/adc/palmas_gpadc.ko] undefined! ERROR: "__mulsi3" [drivers/iio/adc/ina2xx-adc.ko] undefined! ERROR: "__mulsi3" [drivers/iio/adc/hx711.ko] undefined! ERROR: "__mulsi3" [drivers/iio/accel/mma9553.ko] undefined! ERROR: "__mulsi3" [drivers/iio/accel/mma8452.ko] undefined! ERROR: "__mulsi3" [drivers/extcon/extcon-palmas.ko] undefined! ERROR: "__mulsi3" [drivers/staging/greybus/gb-power-supply.ko] undefined! ERROR: "__mulsi3" [drivers/staging/greybus/gb-loopback.ko] undefined! ERROR: "__mulsi3" [drivers/staging/comedi/drivers/das800.ko] undefined! ERROR: "__mulsi3" [drivers/staging/comedi/drivers/das16m1.ko] undefined! ERROR: "__mulsi3" [drivers/staging/comedi/drivers/pcl730.ko] undefined! ERROR: "__mulsi3" [drivers/staging/comedi/drivers/pcl726.ko] undefined! ERROR: "__mulsi3" [drivers/hid/hid-waltop.ko] undefined! ERROR: "__mulsi3" [drivers/hid/hid-steam.ko] undefined! ERROR: "__mulsi3" [drivers/hid/hid-picolcd.ko] undefined! ERROR: "__mulsi3" [drivers/hid/hid-logitech-hidpp.ko] undefined! ERROR: "__mulsi3" [drivers/crypto/inside-secure/crypto_safexcel.ko] undefined! ERROR: "__mulsi3" [drivers/leds/leds-lm3692x.ko] undefined! ERROR: "__mulsi3" [drivers/leds/leds-max77693.ko] undefined! ERROR: "__mulsi3" [drivers/leds/leds-mc13783.ko] undefined! ERROR: "__mulsi3" [drivers/leds/leds-lp8501.ko] undefined! ERROR: "__mulsi3" [drivers/leds/leds-lp3952.ko] undefined! ERROR: "__mulsi3" [drivers/leds/leds-lp3944.ko] undefined! ERROR: "__mulsi3" [drivers/leds/trigger/ledtrig-activity.ko] undefined! ERROR: "__mulsi3" [drivers/mmc/host/usdhi6rol0.ko] undefined! ERROR: "__mulsi3" [drivers/mmc/host/mtk-sd.ko] undefined! ERROR: "__mulsi3" [drivers/mmc/host/sdhci.ko] undefined! ERROR: "__mulsi3" [drivers/watchdog/kempld_wdt.ko] undefined! ERROR: "__mulsi3" [drivers/thermal/thermal-generic-adc.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pmbus/max31785.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pmbus/max20730.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pmbus/lm25066.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pmbus/ibm-cffps.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pmbus/bel-pfe.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pmbus/adm1275.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pmbus/pmbus_core.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/w83627ehf.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/tmp102.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/smsc47m192.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/smsc47b397.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/sch5636.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/sch56xx-common.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pwm-fan.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/pc87427.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ntc_thermistor.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/nct6775.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/nct6683.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/max6642.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/max6621.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ltc4261.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ltc4222.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ltc4215.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/lm93.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/lm92.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/lm83.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/lm78.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/lineage-pem.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/it87.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ina3221.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ina2xx.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/iio_hwmon.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ibmaem.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/hih6130.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/gpio-fan.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/gl518sm.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/f71882fg.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/f71805f.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ds1621.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/dme1737.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/as370-hwmon.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/ads7828.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/adm9240.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/adm1177.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/adm1025.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/w83791d.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/w83792d.ko] undefined! ERROR: "__mulsi3" [drivers/hwmon/w83627hf.ko] undefined! ERROR: "__mulsi3" [drivers/power/supply/bd70528-charger.ko] undefined! ERROR: "__mulsi3" [drivers/power/supply/axp288_fuel_gauge.ko] undefined! ERROR: "__mulsi3" [drivers/power/supply/smb347-charger.ko] undefined! ERROR: "__mulsi3" [drivers/power/supply/ltc2941-battery-gauge.ko] undefined! ERROR: "__mulsi3" [drivers/power/supply/ds2781_battery.ko] undefined! ERROR: "__mulsi3" [drivers/power/supply/axp20x_battery.ko] undefined! >> ERROR: "__mulsi3" [drivers/ptp/ptp_idt82p33.ko] undefined! ERROR: "__mulsi3" [drivers/media/radio/radio-wl1273.ko] undefined! ERROR: "__mulsi3" [drivers/media/radio/radio-tea5764.ko] undefined! ERROR: "__mulsi3" [drivers/media/radio/si470x/radio-si470x-common.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-core/dvb-core.ko] undefined! ERROR: "__mulsi3" [drivers/media/v4l2-core/v4l2-dv-timings.ko] undefined! ERROR: "__mulsi3" [drivers/media/v4l2-core/videodev.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/ascot2e.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/horus3a.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/mn88443x.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/tc90522.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/af9033.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/m88rs2000.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/rtl2832.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/tda10071.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/si2165.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/stv0910.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/cxd2841er.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/cxd2820r.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/stv0367.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/ix2505v.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/mb86a20s.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/mb86a16.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/ds3000.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/mn88473.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/m88ds3103.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/stv090x.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/stv0900.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/stb6000.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/si2168.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/si21xx.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/atbm8830.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/tda665x.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/tda10048.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/au8522_dig.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/itd1000.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/s5h1409.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/dib0090.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/tda8261.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/tda10086.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/cx24123.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/lg2160.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/lgdt3306a.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/lgdt330x.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/s5h1420.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/bcm3510.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/or51132.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/nxt200x.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/stv0297.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/tda10021.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/drxd.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/zl10039.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/zl10036.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/mt352.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/ves1x93.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/ves1820.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/mt312.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/dib9000.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/dib7000p.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/dib7000m.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/dib3000mc.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/l64781.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/stb0899.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/stv0299.ko] undefined! ERROR: "__mulsi3" [drivers/media/dvb-frontends/dvb-pll.ko] undefined! ERROR: "__mulsi3" [drivers/media/platform/vicodec/vicodec.ko] undefined! ERROR: "__mulsi3" [drivers/media/platform/vim2m.ko] undefined! ERROR: "__mulsi3" [drivers/media/platform/vimc/vimc.ko] undefined! ERROR: "__mulsi3" [drivers/media/common/videobuf2/videobuf2-v4l2.ko] undefined! ERROR: "__mulsi3" [drivers/media/common/v4l2-tpg/v4l2-tpg.ko] undefined! ERROR: "__mulsi3" [drivers/media/rc/rc-core.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tda18250.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/m88rs6000t.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/mxl301rf.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/r820t.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/fc0013.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/fc0012.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tua9001.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/fc2580.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tda18212.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/max2165.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/mc44s803.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/mxl5007t.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/mt2131.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/qt1010.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/mt2063.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/mt2060.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/xc4000.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/xc5000.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tda18271.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tda827x.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tea5761.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tea5767.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/mt20xx.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tuner-simple.ko] undefined! ERROR: "__mulsi3" [drivers/media/tuners/tuner-xc2028.ko] undefined! ERROR: "__mulsi3" [drivers/media/i2c/st-mipid02.ko] undefined! ERROR: "__mulsi3" [drivers/media/i2c/imx274.ko] undefined! ERROR: "__mulsi3" [drivers/media/i2c/imx214.ko] undefined! ERROR: "__mulsi3" [drivers/media/i2c/tc358743.ko] undefined! ERROR: "__mulsi3" [drivers/media/i2c/video-i2c.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

2 years

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[linux-next:master 1440/4145] sound/core/pcm_memory.c:46:21: error: implicit declaration of function 'get_dma_ops'

by kernel test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: c28e58ee9dadc99f79cf16ca805221feddd432ad commit: 3ad796cbc36a7bc8bfd4de191d791b9490bc112b [1440/4145] ALSA: pcm: Use SG-buffer only when direct DMA is available config: m68k-randconfig-r004-20200629 (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 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 git checkout 3ad796cbc36a7bc8bfd4de191d791b9490bc112b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): In file included from include/linux/init.h:5, from include/linux/io.h:10, from sound/core/pcm_memory.c:7: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_no.h:33:50: warning: ordered comparison of pointer with null pointer [-Wextra] 33 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ sound/core/pcm_memory.c: In function 'do_alloc_pages': >> sound/core/pcm_memory.c:46:21: error: implicit declaration of function 'get_dma_ops' [-Werror=implicit-function-declaration] 46 | !dma_is_direct(get_dma_ops(dev))) { | ^~~~~~~~~~~ sound/core/pcm_memory.c:46:21: warning: passing argument 1 of 'dma_is_direct' makes pointer from integer without a cast [-Wint-conversion] 46 | !dma_is_direct(get_dma_ops(dev))) { | ^~~~~~~~~~~~~~~~ | | | int In file included from sound/core/pcm_memory.c:14: include/linux/dma-mapping.h:191:60: note: expected 'const struct dma_map_ops *' but argument is of type 'int' 191 | static inline bool dma_is_direct(const struct dma_map_ops *ops) | ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ cc1: some warnings being treated as errors vim +/get_dma_ops +46 sound/core/pcm_memory.c 34 35 static int do_alloc_pages(struct snd_card *card, int type, struct device *dev, 36 size_t size, struct snd_dma_buffer *dmab) 37 { 38 int err; 39 40 if (max_alloc_per_card && 41 card->total_pcm_alloc_bytes + size > max_alloc_per_card) 42 return -ENOMEM; 43 44 if (IS_ENABLED(CONFIG_SND_DMA_SGBUF) && 45 (type == SNDRV_DMA_TYPE_DEV_SG || type == SNDRV_DMA_TYPE_DEV_UC_SG) && > 46 !dma_is_direct(get_dma_ops(dev))) { 47 /* mutate to continuous page allocation */ 48 dev_dbg(dev, "Use continuous page allocator\n"); 49 if (type == SNDRV_DMA_TYPE_DEV_SG) 50 type = SNDRV_DMA_TYPE_DEV; 51 else 52 type = SNDRV_DMA_TYPE_DEV_UC; 53 } 54 55 err = snd_dma_alloc_pages(type, dev, size, dmab); 56 if (!err) { 57 mutex_lock(&card->memory_mutex); 58 card->total_pcm_alloc_bytes += dmab->bytes; 59 mutex_unlock(&card->memory_mutex); 60 } 61 return err; 62 } 63 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

2 years

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[vfs:regset.sparc 4/5] arch/sparc/kernel/ptrace_32.c:320:6: error: variable 'ret' set but not used

by kernel test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git regset.sparc head: 9a5f61635dbb139673402d2c556f7dde6c73f55c commit: 135142ffb5b0ed417ab394cb63ddfb57da674182 [4/5] sparc32: get rid of odd callers of copy_regset_from_user() config: sparc-defconfig (attached as .config) compiler: sparc-linux-gcc (GCC) 9.3.0 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 git checkout 135142ffb5b0ed417ab394cb63ddfb57da674182 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): arch/sparc/kernel/ptrace_32.c: In function 'setregs_set': >> arch/sparc/kernel/ptrace_32.c:320:6: error: variable 'ret' set but not used [-Werror=unused-but-set-variable] 320 | int ret; | ^~~ arch/sparc/kernel/ptrace_32.c: In function 'arch_ptrace': >> arch/sparc/kernel/ptrace_32.c:430:33: error: variable 'view' set but not used [-Werror=unused-but-set-variable] 430 | const struct user_regset_view *view; | ^~~~ cc1: all warnings being treated as errors vim +/ret +320 arch/sparc/kernel/ptrace_32.c 312 313 static int setregs_set(struct task_struct *target, 314 const struct user_regset *regset, 315 unsigned int pos, unsigned int count, 316 const void *kbuf, const void __user *ubuf) 317 { 318 struct pt_regs *regs = target->thread.kregs; 319 u32 v[4]; > 320 int ret; 321 322 if (target == current) 323 flush_user_windows(); 324 325 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, 326 v, 327 0, 4 * sizeof(u32)); 328 regs->psr = (regs->psr & ~(PSR_ICC | PSR_SYSCALL)) | 329 (v[0] & (PSR_ICC | PSR_SYSCALL)); 330 regs->pc = v[1]; 331 regs->npc = v[2]; 332 regs->y = v[3]; 333 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, 334 regs->u_regs + 1, 335 4 * sizeof(u32) , 19 * sizeof(u32)); 336 } 337 338 static int getfpregs_get(struct task_struct *target, 339 const struct user_regset *regset, 340 unsigned int pos, unsigned int count, 341 void *kbuf, void __user *ubuf) 342 { 343 const unsigned long *fpregs = target->thread.float_regs; 344 int ret = 0; 345 346 #if 0 347 if (target == current) 348 save_and_clear_fpu(); 349 #endif 350 351 ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, 352 fpregs, 353 0, 32 * sizeof(u32)); 354 if (ret) 355 return ret; 356 ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, 357 &target->thread.fsr, 358 32 * sizeof(u32), 33 * sizeof(u32)); 359 if (ret) 360 return ret; 361 return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf, 362 33 * sizeof(u32), 68 * sizeof(u32)); 363 } 364 365 static int setfpregs_set(struct task_struct *target, 366 const struct user_regset *regset, 367 unsigned int pos, unsigned int count, 368 const void *kbuf, const void __user *ubuf) 369 { 370 unsigned long *fpregs = target->thread.float_regs; 371 int ret; 372 373 #if 0 374 if (target == current) 375 save_and_clear_fpu(); 376 #endif 377 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, 378 fpregs, 379 0, 32 * sizeof(u32)); 380 if (ret) 381 return ret; 382 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, 383 &target->thread.fsr, 384 32 * sizeof(u32), 385 33 * sizeof(u32)); 386 } 387 388 static const struct user_regset ptrace32_regsets[] = { 389 [REGSET_GENERAL] = { 390 .n = 19, .size = sizeof(u32), 391 .get = getregs_get, .set = setregs_set, 392 }, 393 [REGSET_FP] = { 394 .n = 68, .size = sizeof(u32), 395 .get = getfpregs_get, .set = setfpregs_set, 396 }, 397 }; 398 399 static const struct user_regset_view ptrace32_view = { 400 .regsets = ptrace32_regsets, .n = ARRAY_SIZE(ptrace32_regsets) 401 }; 402 403 static const struct user_regset_view user_sparc32_view = { 404 .name = "sparc", .e_machine = EM_SPARC, 405 .regsets = sparc32_regsets, .n = ARRAY_SIZE(sparc32_regsets) 406 }; 407 408 const struct user_regset_view *task_user_regset_view(struct task_struct *task) 409 { 410 return &user_sparc32_view; 411 } 412 413 struct fps { 414 unsigned long regs[32]; 415 unsigned long fsr; 416 unsigned long flags; 417 unsigned long extra; 418 unsigned long fpqd; 419 struct fq { 420 unsigned long *insnaddr; 421 unsigned long insn; 422 } fpq[16]; 423 }; 424 425 long arch_ptrace(struct task_struct *child, long request, 426 unsigned long addr, unsigned long data) 427 { 428 unsigned long addr2 = current->thread.kregs->u_regs[UREG_I4]; 429 void __user *addr2p; > 430 const struct user_regset_view *view; 431 struct pt_regs __user *pregs; 432 struct fps __user *fps; 433 int ret; 434 435 view = task_user_regset_view(current); 436 addr2p = (void __user *) addr2; 437 pregs = (struct pt_regs __user *) addr; 438 fps = (struct fps __user *) addr; 439 440 switch(request) { 441 case PTRACE_GETREGS: { 442 ret = copy_regset_to_user(child, &ptrace32_view, 443 REGSET_GENERAL, 0, 444 19 * sizeof(u32), 445 pregs); 446 break; 447 } 448 449 case PTRACE_SETREGS: { 450 ret = copy_regset_from_user(child, &ptrace32_view, 451 REGSET_GENERAL, 0, 452 19 * sizeof(u32), 453 pregs); 454 break; 455 } 456 457 case PTRACE_GETFPREGS: { 458 ret = copy_regset_to_user(child, &ptrace32_view, 459 REGSET_FP, 0, 460 68 * sizeof(u32), 461 fps); 462 break; 463 } 464 465 case PTRACE_SETFPREGS: { 466 ret = copy_regset_from_user(child, &ptrace32_view, 467 REGSET_FP, 0, 468 33 * sizeof(u32), 469 fps); 470 break; 471 } 472 473 case PTRACE_READTEXT: 474 case PTRACE_READDATA: 475 ret = ptrace_readdata(child, addr, addr2p, data); 476 477 if (ret == data) 478 ret = 0; 479 else if (ret >= 0) 480 ret = -EIO; 481 break; 482 483 case PTRACE_WRITETEXT: 484 case PTRACE_WRITEDATA: 485 ret = ptrace_writedata(child, addr2p, addr, data); 486 487 if (ret == data) 488 ret = 0; 489 else if (ret >= 0) 490 ret = -EIO; 491 break; 492 493 default: 494 if (request == PTRACE_SPARC_DETACH) 495 request = PTRACE_DETACH; 496 ret = ptrace_request(child, request, addr, data); 497 break; 498 } 499 500 return ret; 501 } 502 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

2 years

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arm-linux-gnueabi-ld: section .data VMA overlaps section .text VMA

by kernel test robot

Hi Vincenzo, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7c30b859a947535f2213277e827d7ac7dcff9c84 commit: ca78eee7b4ac13b63f5e872f7c3a5ca66b2df8da xfs: Add __packed to xfs_dir2_sf_entry_t definition date: 6 months ago config: arm-randconfig-c022-20200629 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): >> arm-linux-gnueabi-ld: section .data VMA [0000000080008000,00000000800e5eb7] overlaps section .text VMA [000000007f0801a0,00000000803c1de7] arm-linux-gnueabi-ld: section .fixup VMA [00000000803c1de8,00000000803c1e03] overlaps section .bss VMA [000000008010a000,000000008067bb6b] --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

2 years

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[chrome-os:chromeos-4.14 9578/9999] drivers/base/cpu.c:556:16: error: no previous prototype for 'cpu_show_srbds'

by kernel test robot

Hi Guenter, FYI, the error/warning still remains. tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.14 head: 01612612f9f8169c45c3e80f0e9caa40e7634ec2 commit: d05f1e1c98a8d866bbc252dc69e236890a87a122 [9578/9999] CHROMIUM: Merge 'v4.14.184' into chromeos-4.14 config: arm64-chromiumos-qualcomm-customedconfig-chrome-os:chromeos-4.14:01612612f9f8169c45c3e80f0e9caa40e7634ec2 (attached as .config) compiler: aarch64-linux-gcc (GCC) 7.5.0 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 git checkout d05f1e1c98a8d866bbc252dc69e236890a87a122 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): drivers/base/cpu.c: In function '__cpu_device_create': drivers/base/cpu.c:420:2: error: function '__cpu_device_create' might be a candidate for 'gnu_printf' format attribute [-Werror=suggest-attribute=format] retval = kobject_set_name_vargs(&dev->kobj, fmt, args); ^~~~~~ drivers/base/cpu.c: At top level: >> drivers/base/cpu.c:556:16: error: no previous prototype for 'cpu_show_srbds' [-Werror=missing-prototypes] ssize_t __weak cpu_show_srbds(struct device *dev, ^~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/cpu_show_srbds +556 drivers/base/cpu.c 56a0f3867c1bc4 Vineela Tummalapalli 2019-11-04 555 9ecf57e4aaca71 Mark Gross 2020-04-16 @556 ssize_t __weak cpu_show_srbds(struct device *dev, 9ecf57e4aaca71 Mark Gross 2020-04-16 557 struct device_attribute *attr, char *buf) 9ecf57e4aaca71 Mark Gross 2020-04-16 558 { 9ecf57e4aaca71 Mark Gross 2020-04-16 559 return sprintf(buf, "Not affected\n"); 9ecf57e4aaca71 Mark Gross 2020-04-16 560 } 9ecf57e4aaca71 Mark Gross 2020-04-16 561 :::::: The code at line 556 was first introduced by commit :::::: 9ecf57e4aaca7197ab0f196e8a7b74d57e974ad9 x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation :::::: TO: Mark Gross <mgross(a)linux.intel.com> :::::: CC: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

2 years

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Re: [PATCH v3] staging: wfx: Get descriptors for GPIOs

by kernel test robot

Hi Linus, I love your patch! Yet something to improve: [auto build test ERROR on staging/staging-testing] url: https://github.com/0day-ci/linux/commits/Linus-Walleij/staging-wfx-Get-de... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 5bfb7eadc5874a3a08dd173d66a16a1ed0548444 config: sh-allyesconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): drivers/staging/wfx/bus_spi.c: In function 'wfx_spi_probe': >> drivers/staging/wfx/bus_spi.c:209:63: error: expected ')' before 'GPIOD_OUT_HIGH' 209 | bus->gpio_reset = devm_gpiod_get_optional(&func->dev, "reset" | ^ | ) 210 | GPIOD_OUT_HIGH); | ~~~~~~~~~~~~~~ >> drivers/staging/wfx/bus_spi.c:209:20: error: too few arguments to function 'devm_gpiod_get_optional' 209 | bus->gpio_reset = devm_gpiod_get_optional(&func->dev, "reset" | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/staging/wfx/bus_spi.c:11: include/linux/gpio/consumer.h:95:32: note: declared here 95 | struct gpio_desc *__must_check devm_gpiod_get_optional(struct device *dev, | ^~~~~~~~~~~~~~~~~~~~~~~ vim +209 drivers/staging/wfx/bus_spi.c 179 180 static int wfx_spi_probe(struct spi_device *func) 181 { 182 struct wfx_spi_priv *bus; 183 int ret; 184 185 if (!func->bits_per_word) 186 func->bits_per_word = 16; 187 ret = spi_setup(func); 188 if (ret) 189 return ret; 190 // Trace below is also displayed by spi_setup() if compiled with DEBUG 191 dev_dbg(&func->dev, "SPI params: CS=%d, mode=%d bits/word=%d speed=%d\n", 192 func->chip_select, func->mode, func->bits_per_word, 193 func->max_speed_hz); 194 if (func->bits_per_word != 16 && func->bits_per_word != 8) 195 dev_warn(&func->dev, "unusual bits/word value: %d\n", 196 func->bits_per_word); 197 if (func->max_speed_hz > 50000000) 198 dev_warn(&func->dev, "%dHz is a very high speed\n", 199 func->max_speed_hz); 200 201 bus = devm_kzalloc(&func->dev, sizeof(*bus), GFP_KERNEL); 202 if (!bus) 203 return -ENOMEM; 204 bus->func = func; 205 if (func->bits_per_word == 8 || IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) 206 bus->need_swab = true; 207 spi_set_drvdata(func, bus); 208 > 209 bus->gpio_reset = devm_gpiod_get_optional(&func->dev, "reset" 210 GPIOD_OUT_HIGH); 211 if (IS_ERR(bus->gpio_reset)) 212 return PTR_ERR(bus->gpio_reset); 213 if (!bus->gpio_reset) { 214 dev_warn(&func->dev, "try to load firmware anyway\n"); 215 } else { 216 gpiod_set_consumer_name(bus->gpio_reset, "wfx reset"); 217 if (spi_get_device_id(func)->driver_data & WFX_RESET_INVERTED) 218 gpiod_toggle_active_low(bus->gpio_reset); 219 gpiod_set_value_cansleep(bus->gpio_reset, 1); 220 usleep_range(100, 150); 221 gpiod_set_value_cansleep(bus->gpio_reset, 0); 222 usleep_range(2000, 2500); 223 } 224 225 bus->core = wfx_init_common(&func->dev, &wfx_spi_pdata, 226 &wfx_spi_hwbus_ops, bus); 227 if (!bus->core) 228 return -EIO; 229 230 return wfx_probe(bus->core); 231 } 232 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

2 years

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[arm-perf:rwonce/read-barrier-depends 5/13] kernel/sched/fair.c:2509:13: sparse: sparse: incorrect type in assignment (different address spaces)

by kernel test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git rwonce/read-barrier-depends head: cb0d1eb8128c2a17eb5fa9025fe07172c2bb7445 commit: 63248ab4161ca0cb88113f636afa91bf6924007d [5/13] asm/rwonce: Remove smp_read_barrier_depends() invocation config: x86_64-randconfig-s021-20200629 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-3-gfa153962-dirty git checkout 63248ab4161ca0cb88113f636afa91bf6924007d # save the attached .config to linux build tree make W=1 C= CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> sparse warnings: (new ones prefixed by >>) kernel/sched/fair.c:881:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_entity *se @@ got struct sched_entity [noderef] __rcu * @@ kernel/sched/fair.c:881:34: sparse: expected struct sched_entity *se kernel/sched/fair.c:881:34: sparse: got struct sched_entity [noderef] __rcu * >> kernel/sched/fair.c:2509:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *const volatile @@ kernel/sched/fair.c:2509:13: sparse: expected struct task_struct *tsk >> kernel/sched/fair.c:2509:13: sparse: got struct task_struct [noderef] __rcu *const volatile kernel/sched/fair.c:10491:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:10491:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:10491:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:6562:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:6562:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:6562:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:6681:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:6681:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:6681:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:6880:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:6880:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:6880:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:7131:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:7131:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:7131:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8089:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/fair.c:8089:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:8089:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:8582:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:8582:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:8582:22: sparse: struct task_struct * kernel/sched/fair.c:9819:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:9819:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:9819:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:9479:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *sd_parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:9479:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:9479:44: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:9897:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:9897:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:9897:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:10692:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10692:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:10692:22: sparse: struct task_struct * kernel/sched/fair.c:10825:30: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10825:30: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:10825:30: sparse: struct task_struct * kernel/sched/fair.c:5330:35: sparse: sparse: marked inline, but without a definition kernel/sched/sched.h:1803:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1803:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1803:9: sparse: struct task_struct * vim +2509 kernel/sched/fair.c 8c8a743c5087ba Peter Zijlstra 2013-10-07 2472 3e6a9418cf0563 Mel Gorman 2013-10-07 2473 static void task_numa_group(struct task_struct *p, int cpupid, int flags, 3e6a9418cf0563 Mel Gorman 2013-10-07 2474 int *priv) 8c8a743c5087ba Peter Zijlstra 2013-10-07 2475 { 8c8a743c5087ba Peter Zijlstra 2013-10-07 2476 struct numa_group *grp, *my_grp; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2477 struct task_struct *tsk; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2478 bool join = false; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2479 int cpu = cpupid_to_cpu(cpupid); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2480 int i; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2481 cb361d8cdef699 Jann Horn 2019-07-16 2482 if (unlikely(!deref_curr_numa_group(p))) { 8c8a743c5087ba Peter Zijlstra 2013-10-07 2483 unsigned int size = sizeof(struct numa_group) + 50ec8a401fed6d Rik van Riel 2014-01-27 2484 4*nr_node_ids*sizeof(unsigned long); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2485 8c8a743c5087ba Peter Zijlstra 2013-10-07 2486 grp = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2487 if (!grp) 8c8a743c5087ba Peter Zijlstra 2013-10-07 2488 return; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2489 c45a77952427b6 Elena Reshetova 2019-01-18 2490 refcount_set(&grp->refcount, 1); 4142c3ebb685bb Rik van Riel 2016-01-25 2491 grp->active_nodes = 1; 4142c3ebb685bb Rik van Riel 2016-01-25 2492 grp->max_faults_cpu = 0; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2493 spin_lock_init(&grp->lock); e29cf08b05dc0b Mel Gorman 2013-10-07 2494 grp->gid = p->pid; 50ec8a401fed6d Rik van Riel 2014-01-27 2495 /* Second half of the array tracks nids where faults happen */ be1e4e760d940c Rik van Riel 2014-01-27 2496 grp->faults_cpu = grp->faults + NR_NUMA_HINT_FAULT_TYPES * be1e4e760d940c Rik van Riel 2014-01-27 2497 nr_node_ids; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2498 be1e4e760d940c Rik van Riel 2014-01-27 2499 for (i = 0; i < NR_NUMA_HINT_FAULT_STATS * nr_node_ids; i++) 44dba3d5d6a106 Iulia Manda 2014-10-31 2500 grp->faults[i] = p->numa_faults[i]; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2501 989348b5fc2367 Mel Gorman 2013-10-07 2502 grp->total_faults = p->total_numa_faults; 83e1d2cd9eabec Mel Gorman 2013-10-07 2503 8c8a743c5087ba Peter Zijlstra 2013-10-07 2504 grp->nr_tasks++; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2505 rcu_assign_pointer(p->numa_group, grp); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2506 } 8c8a743c5087ba Peter Zijlstra 2013-10-07 2507 8c8a743c5087ba Peter Zijlstra 2013-10-07 2508 rcu_read_lock(); 316c1608d15c73 Jason Low 2015-04-28 @2509 tsk = READ_ONCE(cpu_rq(cpu)->curr); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2510 8c8a743c5087ba Peter Zijlstra 2013-10-07 2511 if (!cpupid_match_pid(tsk, cpupid)) 3354781a218438 Peter Zijlstra 2013-10-09 2512 goto no_join; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2513 8c8a743c5087ba Peter Zijlstra 2013-10-07 2514 grp = rcu_dereference(tsk->numa_group); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2515 if (!grp) 3354781a218438 Peter Zijlstra 2013-10-09 2516 goto no_join; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2517 cb361d8cdef699 Jann Horn 2019-07-16 2518 my_grp = deref_curr_numa_group(p); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2519 if (grp == my_grp) 3354781a218438 Peter Zijlstra 2013-10-09 2520 goto no_join; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2521 8c8a743c5087ba Peter Zijlstra 2013-10-07 2522 /* 8c8a743c5087ba Peter Zijlstra 2013-10-07 2523 * Only join the other group if its bigger; if we're the bigger group, 8c8a743c5087ba Peter Zijlstra 2013-10-07 2524 * the other task will join us. 8c8a743c5087ba Peter Zijlstra 2013-10-07 2525 */ 8c8a743c5087ba Peter Zijlstra 2013-10-07 2526 if (my_grp->nr_tasks > grp->nr_tasks) 3354781a218438 Peter Zijlstra 2013-10-09 2527 goto no_join; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2528 8c8a743c5087ba Peter Zijlstra 2013-10-07 2529 /* 8c8a743c5087ba Peter Zijlstra 2013-10-07 2530 * Tie-break on the grp address. 8c8a743c5087ba Peter Zijlstra 2013-10-07 2531 */ 8c8a743c5087ba Peter Zijlstra 2013-10-07 2532 if (my_grp->nr_tasks == grp->nr_tasks && my_grp > grp) 3354781a218438 Peter Zijlstra 2013-10-09 2533 goto no_join; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2534 dabe1d992414a6 Rik van Riel 2013-10-07 2535 /* Always join threads in the same process. */ dabe1d992414a6 Rik van Riel 2013-10-07 2536 if (tsk->mm == current->mm) dabe1d992414a6 Rik van Riel 2013-10-07 2537 join = true; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2538 dabe1d992414a6 Rik van Riel 2013-10-07 2539 /* Simple filter to avoid false positives due to PID collisions */ dabe1d992414a6 Rik van Riel 2013-10-07 2540 if (flags & TNF_SHARED) 8c8a743c5087ba Peter Zijlstra 2013-10-07 2541 join = true; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2542 3e6a9418cf0563 Mel Gorman 2013-10-07 2543 /* Update priv based on whether false sharing was detected */ 3e6a9418cf0563 Mel Gorman 2013-10-07 2544 *priv = !join; 3e6a9418cf0563 Mel Gorman 2013-10-07 2545 dabe1d992414a6 Rik van Riel 2013-10-07 2546 if (join && !get_numa_group(grp)) 3354781a218438 Peter Zijlstra 2013-10-09 2547 goto no_join; dabe1d992414a6 Rik van Riel 2013-10-07 2548 8c8a743c5087ba Peter Zijlstra 2013-10-07 2549 rcu_read_unlock(); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2550 8c8a743c5087ba Peter Zijlstra 2013-10-07 2551 if (!join) 8c8a743c5087ba Peter Zijlstra 2013-10-07 2552 return; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2553 60e69eed85bb7b Mike Galbraith 2014-04-07 2554 BUG_ON(irqs_disabled()); 60e69eed85bb7b Mike Galbraith 2014-04-07 2555 double_lock_irq(&my_grp->lock, &grp->lock); 989348b5fc2367 Mel Gorman 2013-10-07 2556 be1e4e760d940c Rik van Riel 2014-01-27 2557 for (i = 0; i < NR_NUMA_HINT_FAULT_STATS * nr_node_ids; i++) { 44dba3d5d6a106 Iulia Manda 2014-10-31 2558 my_grp->faults[i] -= p->numa_faults[i]; 44dba3d5d6a106 Iulia Manda 2014-10-31 2559 grp->faults[i] += p->numa_faults[i]; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2560 } 989348b5fc2367 Mel Gorman 2013-10-07 2561 my_grp->total_faults -= p->total_numa_faults; 989348b5fc2367 Mel Gorman 2013-10-07 2562 grp->total_faults += p->total_numa_faults; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2563 8c8a743c5087ba Peter Zijlstra 2013-10-07 2564 my_grp->nr_tasks--; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2565 grp->nr_tasks++; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2566 8c8a743c5087ba Peter Zijlstra 2013-10-07 2567 spin_unlock(&my_grp->lock); 60e69eed85bb7b Mike Galbraith 2014-04-07 2568 spin_unlock_irq(&grp->lock); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2569 8c8a743c5087ba Peter Zijlstra 2013-10-07 2570 rcu_assign_pointer(p->numa_group, grp); 8c8a743c5087ba Peter Zijlstra 2013-10-07 2571 8c8a743c5087ba Peter Zijlstra 2013-10-07 2572 put_numa_group(my_grp); 3354781a218438 Peter Zijlstra 2013-10-09 2573 return; 3354781a218438 Peter Zijlstra 2013-10-09 2574 3354781a218438 Peter Zijlstra 2013-10-09 2575 no_join: 3354781a218438 Peter Zijlstra 2013-10-09 2576 rcu_read_unlock(); 3354781a218438 Peter Zijlstra 2013-10-09 2577 return; 8c8a743c5087ba Peter Zijlstra 2013-10-07 2578 } 8c8a743c5087ba Peter Zijlstra 2013-10-07 2579 :::::: The code at line 2509 was first introduced by commit :::::: 316c1608d15c736439d4065ed12f306db554b3da sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE() :::::: TO: Jason Low <jason.low2(a)hp.com> :::::: CC: Ingo Molnar <mingo(a)kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

2 years

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ERROR: "min_low_pfn" undefined!

by kernel test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7c30b859a947535f2213277e827d7ac7dcff9c84 commit: ec4ba01e894d3165e4d1ccbef782ef5593b708b4 mtd: rawnand: Add new Cadence NAND driver to MTD subsystem date: 9 months ago config: microblaze-randconfig-c004-20200629 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): ERROR: "min_low_pfn" [drivers/ntb/ntb_transport.ko] undefined! >> ERROR: "min_low_pfn" [drivers/mtd/nand/raw/cadence-nand-controller.ko] undefined! ERROR: "min_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

2 years

1
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[arm-perf:rwonce/read-barrier-depends 5/13] kernel/sched/rt.c:1444:14: sparse: sparse: incorrect type in assignment (different address spaces)

by kernel test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git rwonce/read-barrier-depends head: cb0d1eb8128c2a17eb5fa9025fe07172c2bb7445 commit: 63248ab4161ca0cb88113f636afa91bf6924007d [5/13] asm/rwonce: Remove smp_read_barrier_depends() invocation config: i386-randconfig-s001-20200629 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-3-gfa153962-dirty git checkout 63248ab4161ca0cb88113f636afa91bf6924007d # save the attached .config to linux build tree make W=1 C= CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> sparse warnings: (new ones prefixed by >>) kernel/sched/rt.c:912:70: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:912:70: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:912:70: sparse: struct task_struct * kernel/sched/rt.c:2183:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2183:25: sparse: struct task_struct * kernel/sched/rt.c:2183:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:998:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:998:38: sparse: expected struct task_struct *curr kernel/sched/rt.c:998:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1424:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1424:31: sparse: expected struct task_struct *p kernel/sched/rt.c:1424:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1741:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/rt.c:1741:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/rt.c:1741:9: sparse: got struct sched_domain [noderef] __rcu *parent >> kernel/sched/rt.c:1444:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *const volatile @@ kernel/sched/rt.c:1444:14: sparse: expected struct task_struct *curr >> kernel/sched/rt.c:1444:14: sparse: got struct task_struct [noderef] __rcu *const volatile kernel/sched/rt.c:1509:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1509:45: sparse: expected struct task_struct *p kernel/sched/rt.c:1509:45: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1570:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1570:67: sparse: expected struct task_struct *tsk kernel/sched/rt.c:1570:67: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1876:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:1876:13: sparse: struct task_struct * kernel/sched/rt.c:1876:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2224:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2224:54: sparse: expected struct task_struct *tsk kernel/sched/rt.c:2224:54: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2226:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2226:40: sparse: expected struct task_struct *p kernel/sched/rt.c:2226:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2226:61: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2226:61: sparse: expected struct task_struct *p kernel/sched/rt.c:2226:61: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2300:46: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2300:46: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2300:46: sparse: struct task_struct * kernel/sched/rt.c:2320:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2320:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2320:22: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * -- kernel/sched/deadline.c:2059:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2059:13: sparse: struct task_struct * kernel/sched/deadline.c:2059:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2186:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2186:25: sparse: struct task_struct * kernel/sched/deadline.c:2186:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:1721:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:1721:42: sparse: expected struct sched_dl_entity *b kernel/sched/deadline.c:1721:42: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1732:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1732:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:1732:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1054:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1054:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:1054:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1183:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1183:38: sparse: expected struct task_struct *curr kernel/sched/deadline.c:1183:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1918:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/deadline.c:1918:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/deadline.c:1918:9: sparse: got struct sched_domain [noderef] __rcu *parent >> kernel/sched/deadline.c:1615:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *const volatile @@ kernel/sched/deadline.c:1615:14: sparse: expected struct task_struct *curr >> kernel/sched/deadline.c:1615:14: sparse: got struct task_struct [noderef] __rcu *const volatile kernel/sched/deadline.c:1682:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1682:43: sparse: expected struct task_struct *p kernel/sched/deadline.c:1682:43: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2221:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:2221:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2221:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2223:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:2223:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2223:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2225:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:2225:44: sparse: expected struct sched_dl_entity *b kernel/sched/deadline.c:2225:44: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:2385:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2385:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2385:22: sparse: struct task_struct * kernel/sched/deadline.c:2404:46: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2404:46: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2404:46: sparse: struct task_struct * kernel/sched/deadline.c:592:17: sparse: sparse: context imbalance in 'dl_task_offline_migration' - unexpected unlock kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * vim +1444 kernel/sched/rt.c 318e0893ce3f52 kernel/sched_rt.c Gregory Haskins 2008-01-25 1429 0017d735092844 kernel/sched_rt.c Peter Zijlstra 2010-03-24 1430 static int ac66f5477239eb kernel/sched/rt.c Peter Zijlstra 2013-10-07 1431 select_task_rq_rt(struct task_struct *p, int cpu, int sd_flag, int flags) e7693a362ec84b kernel/sched_rt.c Gregory Haskins 2008-01-25 1432 { 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1433 struct task_struct *curr; 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1434 struct rq *rq; 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1435 bool test; c37495fd0f64fc kernel/sched_rt.c Steven Rostedt 2011-06-16 1436 c37495fd0f64fc kernel/sched_rt.c Steven Rostedt 2011-06-16 1437 /* For anything but wake ups, just return the task_cpu */ c37495fd0f64fc kernel/sched_rt.c Steven Rostedt 2011-06-16 1438 if (sd_flag != SD_BALANCE_WAKE && sd_flag != SD_BALANCE_FORK) c37495fd0f64fc kernel/sched_rt.c Steven Rostedt 2011-06-16 1439 goto out; c37495fd0f64fc kernel/sched_rt.c Steven Rostedt 2011-06-16 1440 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1441 rq = cpu_rq(cpu); 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1442 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1443 rcu_read_lock(); 316c1608d15c73 kernel/sched/rt.c Jason Low 2015-04-28 @1444 curr = READ_ONCE(rq->curr); /* unlocked access */ 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1445 318e0893ce3f52 kernel/sched_rt.c Gregory Haskins 2008-01-25 1446 /* 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1447 * If the current task on @p's runqueue is an RT task, then e1f47d891c0f00 kernel/sched_rt.c Steven Rostedt 2008-01-25 1448 * try to see if we can wake this RT task up on another e1f47d891c0f00 kernel/sched_rt.c Steven Rostedt 2008-01-25 1449 * runqueue. Otherwise simply start this RT task e1f47d891c0f00 kernel/sched_rt.c Steven Rostedt 2008-01-25 1450 * on its current runqueue. e1f47d891c0f00 kernel/sched_rt.c Steven Rostedt 2008-01-25 1451 * 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1452 * We want to avoid overloading runqueues. If the woken 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1453 * task is a higher priority, then it will stay on this CPU 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1454 * and the lower prio task should be moved to another CPU. 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1455 * Even though this will probably make the lower prio task 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1456 * lose its cache, we do not want to bounce a higher task 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1457 * around just because it gave up its CPU, perhaps for a 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1458 * lock? 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1459 * 43fa5460fe60de kernel/sched_rt.c Steven Rostedt 2010-09-20 1460 * For equal prio tasks, we just let the scheduler sort it out. 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1461 * 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1462 * Otherwise, just let it ride on the affined RQ and the 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1463 * post-schedule router will push the preempted task away 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1464 * 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1465 * This test is optimistic, if we get it wrong the load-balancer 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1466 * will have to sort it out. 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1467 * 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1468 * We take into account the capacity of the CPU to ensure it fits the 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1469 * requirement of the task - which is only important on heterogeneous 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1470 * systems like big.LITTLE. 318e0893ce3f52 kernel/sched_rt.c Gregory Haskins 2008-01-25 1471 */ 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1472 test = curr && 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1473 unlikely(rt_task(curr)) && 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1474 (curr->nr_cpus_allowed < 2 || curr->prio <= p->prio); 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1475 804d402fb6f648 kernel/sched/rt.c Qais Yousef 2019-10-09 1476 if (test || !rt_task_fits_capacity(p, cpu)) { 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1477 int target = find_lowest_rq(p); 318e0893ce3f52 kernel/sched_rt.c Gregory Haskins 2008-01-25 1478 b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1479 /* b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1480 * Bail out if we were forcing a migration to find a better b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1481 * fitting CPU but our search failed. b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1482 */ b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1483 if (!test && target != -1 && !rt_task_fits_capacity(p, target)) b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1484 goto out_unlock; b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1485 80e3d87b2c5582 kernel/sched/rt.c Tim Chen 2014-12-12 1486 /* 80e3d87b2c5582 kernel/sched/rt.c Tim Chen 2014-12-12 1487 * Don't bother moving it if the destination CPU is 80e3d87b2c5582 kernel/sched/rt.c Tim Chen 2014-12-12 1488 * not running a lower priority task. 80e3d87b2c5582 kernel/sched/rt.c Tim Chen 2014-12-12 1489 */ 80e3d87b2c5582 kernel/sched/rt.c Tim Chen 2014-12-12 1490 if (target != -1 && 80e3d87b2c5582 kernel/sched/rt.c Tim Chen 2014-12-12 1491 p->prio < cpu_rq(target)->rt.highest_prio.curr) 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1492 cpu = target; 318e0893ce3f52 kernel/sched_rt.c Gregory Haskins 2008-01-25 1493 } b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1494 b28bc1e002c23f kernel/sched/rt.c Qais Yousef 2020-03-02 1495 out_unlock: 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1496 rcu_read_unlock(); 318e0893ce3f52 kernel/sched_rt.c Gregory Haskins 2008-01-25 1497 c37495fd0f64fc kernel/sched_rt.c Steven Rostedt 2011-06-16 1498 out: 7608dec2ce2004 kernel/sched_rt.c Peter Zijlstra 2011-04-05 1499 return cpu; e7693a362ec84b kernel/sched_rt.c Gregory Haskins 2008-01-25 1500 } 7ebefa8ceefed4 kernel/sched_rt.c Dmitry Adamushko 2008-07-01 1501 :::::: The code at line 1444 was first introduced by commit :::::: 316c1608d15c736439d4065ed12f306db554b3da sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE() :::::: TO: Jason Low <jason.low2(a)hp.com> :::::: CC: Ingo Molnar <mingo(a)kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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[android-common:android-4.19-stable 8873/9999] sound/soc/intel/skylake/skl-messages.c:138:1: warning: the frame size of 2056 bytes is larger than 2048 bytes

by kernel test robot

tree: https://android.googlesource.com/kernel/common android-4.19-stable head: 4da740c10dc0f2de632686e8cc0274cfa52e67e4 commit: a74c0e4e9162d0a524325f4045c1cc9f51b279f5 [8873/9999] ANDROID: GKI: timer.h: add Android ABI padding to a structure config: x86_64-randconfig-s021-20200629 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-3-gfa153962-dirty git checkout a74c0e4e9162d0a524325f4045c1cc9f51b279f5 # save the attached .config to linux build tree make W=1 C= CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): sound/soc/intel/skylake/skl-messages.c: In function 'skl_dsp_prepare': >> sound/soc/intel/skylake/skl-messages.c:138:1: warning: the frame size of 2056 bytes is larger than 2048 bytes [-Wframe-larger-than=] 138 | } | ^ vim +138 sound/soc/intel/skylake/skl-messages.c 92eb4f62cbac02 Jeeja KP 2016-03-11 107 92eb4f62cbac02 Jeeja KP 2016-03-11 108 static int skl_dsp_prepare(struct device *dev, unsigned int format, 92eb4f62cbac02 Jeeja KP 2016-03-11 109 unsigned int size, struct snd_dma_buffer *dmab) 92eb4f62cbac02 Jeeja KP 2016-03-11 110 { 76f56fae1cf904 Rakesh Ughreja 2018-06-01 111 struct hdac_bus *bus = dev_get_drvdata(dev); 92eb4f62cbac02 Jeeja KP 2016-03-11 112 struct hdac_ext_stream *estream; 92eb4f62cbac02 Jeeja KP 2016-03-11 113 struct hdac_stream *stream; 92eb4f62cbac02 Jeeja KP 2016-03-11 114 struct snd_pcm_substream substream; 92eb4f62cbac02 Jeeja KP 2016-03-11 115 int ret; 92eb4f62cbac02 Jeeja KP 2016-03-11 116 92eb4f62cbac02 Jeeja KP 2016-03-11 117 if (!bus) 92eb4f62cbac02 Jeeja KP 2016-03-11 118 return -ENODEV; 92eb4f62cbac02 Jeeja KP 2016-03-11 119 92eb4f62cbac02 Jeeja KP 2016-03-11 120 memset(&substream, 0, sizeof(substream)); 92eb4f62cbac02 Jeeja KP 2016-03-11 121 substream.stream = SNDRV_PCM_STREAM_PLAYBACK; 92eb4f62cbac02 Jeeja KP 2016-03-11 122 76f56fae1cf904 Rakesh Ughreja 2018-06-01 123 estream = snd_hdac_ext_stream_assign(bus, &substream, 92eb4f62cbac02 Jeeja KP 2016-03-11 124 HDAC_EXT_STREAM_TYPE_HOST); 92eb4f62cbac02 Jeeja KP 2016-03-11 125 if (!estream) 92eb4f62cbac02 Jeeja KP 2016-03-11 126 return -ENODEV; 92eb4f62cbac02 Jeeja KP 2016-03-11 127 92eb4f62cbac02 Jeeja KP 2016-03-11 128 stream = hdac_stream(estream); 92eb4f62cbac02 Jeeja KP 2016-03-11 129 92eb4f62cbac02 Jeeja KP 2016-03-11 130 /* assign decouple host dma channel */ 92eb4f62cbac02 Jeeja KP 2016-03-11 131 ret = snd_hdac_dsp_prepare(stream, format, size, dmab); 92eb4f62cbac02 Jeeja KP 2016-03-11 132 if (ret < 0) 92eb4f62cbac02 Jeeja KP 2016-03-11 133 return ret; 92eb4f62cbac02 Jeeja KP 2016-03-11 134 92eb4f62cbac02 Jeeja KP 2016-03-11 135 skl_dsp_setup_spib(dev, size, stream->stream_tag, true); 92eb4f62cbac02 Jeeja KP 2016-03-11 136 92eb4f62cbac02 Jeeja KP 2016-03-11 137 return stream->stream_tag; 92eb4f62cbac02 Jeeja KP 2016-03-11 @138 } 92eb4f62cbac02 Jeeja KP 2016-03-11 139 :::::: The code at line 138 was first introduced by commit :::::: 92eb4f62cbac0211e43ee4a6715ee2ea43167e88 ASoC: Intel: Bxtn: Add Broxton DSP support :::::: TO: Jeeja KP <jeeja.kp(a)intel.com> :::::: CC: Mark Brown <broonie(a)kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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