Buildresult: linus/axs103_smp_defconfig/arc-gcc10 built on Dec 19 2020, 11:12

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Status:	OK
Date/Time:	Dec 19 2020, 11:12
Duration:	0:01:25.897248
Builder:	blade4b
Revision:	mm/filemap: fix infinite loop in generic_file_buffered_read() (`3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3)`
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 No warnings found in log. Full Log # git rev-parse -q --verify 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3^{commit} 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 already have revision, skipping fetch # git checkout -q -f -B kisskb 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # git clean -qxdf # < git log -1 # commit 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # Author: Kent Overstreet <kent.overstreet@gmail.com> # Date: Fri Dec 18 04:07:11 2020 -0500 # # mm/filemap: fix infinite loop in generic_file_buffered_read() # # If iter->count is 0 and iocb->ki_pos is page aligned, this causes # nr_pages to be 0. # # Then in generic_file_buffered_read_get_pages() find_get_pages_contig() # returns 0 - because we asked for 0 pages, so we call # generic_file_buffered_read_no_cached_page() which attempts to add a page # to the page cache, which fails with -EEXIST, and then we loop. Oops... # # Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> # Reported-by: Jens Axboe <axboe@kernel.dk> # Reviewed-by: Jens Axboe <axboe@kernel.dk> # 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 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # < make -s -j 24 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 # Added to kconfig CONFIG_INITRAMFS_SOURCE="" # < make -s -j 24 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 # make -s -j 24 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 # make -s -j 24 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- Completed OK # rm -rf /kisskb/build/linus_axs103_smp_defconfig_arc-gcc10 # Build took: 0:01:25.897248

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