Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc8 built on Sep 15 2021, 06:23

kisskb

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Status:	Failed
Date/Time:	Sep 15 2021, 06:23
Duration:	0:04:50.467699
Builder:	ka1
Revision:	ipc: remove memcg accounting for sops objects in do_semtimedop() (`6a4746ba06191e23d30230738e94334b26590a8a)`
Target:	linus-rand/x86_64-randconfig/x86_64-gcc8
Branch:	linus-rand
Compiler:	x86_64-gcc8 (x86_64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	randconfig (download)
Log:	Download original Possible errors drivers/hwmon/dell-smm-hwmon.c:624:24: error: unused variable 'data' [-Werror=unused-variable] cc1: all warnings being treated as errors make[3]: * [scripts/Makefile.build:277: drivers/hwmon/dell-smm-hwmon.o] Error 1 make[2]: * [scripts/Makefile.build:540: drivers/hwmon] Error 2 make[1]: * [Makefile:1868: drivers] Error 2 make: * [Makefile:219: __sub-make] Error 2 Possible warnings (2) .config:6624:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD .config:6626:warning: override: reassigning to symbol GCC_PLUGINS Full Log # git rev-parse -q --verify 6a4746ba06191e23d30230738e94334b26590a8a^{commit} # git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master # git rev-parse -q --verify 6a4746ba06191e23d30230738e94334b26590a8a^{commit} 6a4746ba06191e23d30230738e94334b26590a8a # git checkout -q -f -B kisskb 6a4746ba06191e23d30230738e94334b26590a8a # git clean -qxdf # < git log -1 # commit 6a4746ba06191e23d30230738e94334b26590a8a # Author: Vasily Averin <vvs@virtuozzo.com> # Date: Sat Sep 11 10:40:08 2021 +0300 # # ipc: remove memcg accounting for sops objects in do_semtimedop() # # Linus proposes to revert an accounting for sops objects in # do_semtimedop() because it's really just a temporary buffer # for a single semtimedop() system call. # # This object can consume up to 2 pages, syscall is sleeping # one, size and duration can be controlled by user, and this # allocation can be repeated by many thread at the same time. # # However Shakeel Butt pointed that there are much more popular # objects with the same life time and similar memory # consumption, the accounting of which was decided to be # rejected for performance reasons. # # Considering at least 2 pages for task_struct and 2 pages for # the kernel stack, a back of the envelope calculation gives a # footprint amplification of <1.5 so this temporal buffer can be # safely ignored. # # The factor would IMO be interesting if it was >> 2 (from the # PoV of excessive (ab)use, fine-grained accounting seems to be # currently unfeasible due to performance impact). # # Link: https://lore.kernel.org/lkml/90e254df-0dfe-f080-011e-b7c53ee7fd20@virtuozzo.com/ # Fixes: 18319498fdd4 ("memcg: enable accounting of ipc resources") # Signed-off-by: Vasily Averin <vvs@virtuozzo.com> # Acked-by: Michal Hocko <mhocko@suse.com> # Reviewed-by: Michal Koutný <mkoutny@suse.com> # Acked-by: Shakeel Butt <shakeelb@google.com> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 6a4746ba06191e23d30230738e94334b26590a8a # < make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- randconfig # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # Added to kconfig CONFIG_BPF_PRELOAD=n # Added to kconfig # < make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- help # make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- olddefconfig .config:6624:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD .config:6626:warning: override: reassigning to symbol GCC_PLUGINS # make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/drivers/hwmon/dell-smm-hwmon.c: In function 'i8k_init_procfs': /kisskb/src/drivers/hwmon/dell-smm-hwmon.c:624:24: error: unused variable 'data' [-Werror=unused-variable] struct dell_smm_data data = dev_get_drvdata(dev); ^~~~ cc1: all warnings being treated as errors make[3]: [/kisskb/src/scripts/Makefile.build:277: drivers/hwmon/dell-smm-hwmon.o] Error 1 make[3]: * Waiting for unfinished jobs.... make[2]: * [/kisskb/src/scripts/Makefile.build:540: drivers/hwmon] Error 2 make[2]: * Waiting for unfinished jobs.... make[1]: * [/kisskb/src/Makefile:1868: drivers] Error 2 make: * [Makefile:219: __sub-make] Error 2 Command 'make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 # Build took: 0:04:50.467699

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