Buildresult: linus/axs103_smp_defconfig/arc-gcc10 built on Sep 8 2021, 05:23

kisskb

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Status:	OK
Date/Time:	Sep 8 2021, 05:23
Duration:	0:01:13.326455
Builder:	ka2
Revision:	Revert "memcg: enable accounting for pollfd and select bits arrays" (`0bcfe68b876748762557797a940d0a82de700629)`
Target:	linus/axs103_smp_defconfig/arc-gcc10
Branch:	linus
Compiler:	arc-gcc10 (arc-linux-gcc (GCC) 10.1.0 / GNU ld (GNU Binutils) 2.34)
Config:	axs103_smp_defconfig (download)
Log:	Download original Possible warnings (4) arch/arc/Makefile:26: WARNING CONFIG_ARC_TUNE_MCPU flag '' is unknown, fallback to '' arch/arc/Makefile:26: WARNING CONFIG_ARC_TUNE_MCPU flag '' is unknown, fallback to '' arch/arc/Makefile:26: WARNING CONFIG_ARC_TUNE_MCPU flag '' is unknown, fallback to '' arch/arc/Makefile:26: WARNING CONFIG_ARC_TUNE_MCPU flag '' is unknown, fallback to '' Full Log # git rev-parse -q --verify 0bcfe68b876748762557797a940d0a82de700629^{commit} 0bcfe68b876748762557797a940d0a82de700629 already have revision, skipping fetch # git checkout -q -f -B kisskb 0bcfe68b876748762557797a940d0a82de700629 # git clean -qxdf # < git log -1 # commit 0bcfe68b876748762557797a940d0a82de700629 # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Tue Sep 7 11:26:23 2021 -0700 # # Revert "memcg: enable accounting for pollfd and select bits arrays" # # This reverts commit b655843444152c0a14b749308e4cb35d91cbcf0b. # # Just like with the memcg lock accounting, the kernel test robot reports # a sizeable performance regression for this commit, and while it clearly # does the rigth thing in theory, we'll need to look at just how to avoid # or minimize the performance overhead of the memcg accounting. # # People already have suggestions on how to do that, but it's "future # work". # # So revert it for now. # # [ Note: the first link below is for this same commit but a different # commit ID, because it's the kernel test robot ended up noticing it in # Andrew Morton's patch queue ] # # Link: https://lore.kernel.org/lkml/20210905132732.GC15026@xsang-OptiPlex-9020/ # Link: https://lore.kernel.org/lkml/20210907150757.GE17617@xsang-OptiPlex-9020/ # Acked-by: Jens Axboe <axboe@kernel.dk> # Acked-by: Shakeel Butt <shakeelb@google.com> # Acked-by: Roman Gushchin <guro@fb.com> # Cc: Tejun Heo <tj@kernel.org> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux-ld --version # < git log --format=%s --max-count=1 0bcfe68b876748762557797a940d0a82de700629 # < make -s -j 48 ARCH=arc O=/kisskb/build/linus_axs103_smp_defconfig_arc-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux- axs103_smp_defconfig /kisskb/src/arch/arc/Makefile:26: WARNING CONFIG_ARC_TUNE_MCPU flag '' is unknown, fallback to '' # Added to kconfig CONFIG_INITRAMFS_SOURCE="" # < make -s -j 48 ARCH=arc O=/kisskb/build/linus_axs103_smp_defconfig_arc-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux- help /kisskb/src/arch/arc/Makefile:26: WARNING CONFIG_ARC_TUNE_MCPU flag '' is unknown, fallback to '' # make -s -j 48 ARCH=arc O=/kisskb/build/linus_axs103_smp_defconfig_arc-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux- olddefconfig /kisskb/src/arch/arc/Makefile:26: WARNING CONFIG_ARC_TUNE_MCPU flag '' is unknown, fallback to '' # make -s -j 48 ARCH=arc O=/kisskb/build/linus_axs103_smp_defconfig_arc-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux- /kisskb/src/arch/arc/Makefile:26: WARNING CONFIG_ARC_TUNE_MCPU flag '' is unknown, fallback to '' Completed OK # rm -rf /kisskb/build/linus_axs103_smp_defconfig_arc-gcc10 # Build took: 0:01:13.326455

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