Buildresult: linus/or1ksim_defconfig/or32-gcc9 built on Jan 15 2019, 20:02

kisskb

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Status:	OK
Date/Time:	Jan 15 2019, 20:02
Duration:	0:00:13.406211
Builder:	ka4
Revision:	sbitmap: Protect swap_lock from hardirq (`fe76fc6aaf538df27708ffa3e5d549a6c8e16142)`
Target:	linus/or1ksim_defconfig/or32-gcc9
Branch:	linus
Compiler:	or32-gcc9 (or1k-linux-gcc (GCC) 5.4.0 / GNU ld (GNU Binutils) 2.26.20160125)
Config:	or1ksim_defconfig (download)
Log:	Download original No warnings found in log. Full Log # git rev-parse -q --verify fe76fc6aaf538df27708ffa3e5d549a6c8e16142^{commit} fe76fc6aaf538df27708ffa3e5d549a6c8e16142 already have revision, skipping fetch # git checkout -q -f -B kisskb fe76fc6aaf538df27708ffa3e5d549a6c8e16142 # git clean -qxdf # < git log -1 # commit fe76fc6aaf538df27708ffa3e5d549a6c8e16142 # Author: Ming Lei <ming.lei@redhat.com> # Date: Tue Jan 15 11:59:52 2019 +0800 # # sbitmap: Protect swap_lock from hardirq # # Because we may call blk_mq_get_driver_tag() directly from # blk_mq_dispatch_rq_list() without holding any lock, then HARDIRQ may # come and the above DEADLOCK is triggered. # # Commit ab53dcfb3e7b ("sbitmap: Protect swap_lock from hardirq") tries to # fix this issue by using 'spin_lock_bh', which isn't enough because we # complete request from hardirq context direclty in case of multiqueue. # # Cc: Clark Williams <williams@redhat.com> # Fixes: ab53dcfb3e7b ("sbitmap: Protect swap_lock from hardirq") # Cc: Jens Axboe <axboe@kernel.dk> # Cc: Ming Lei <ming.lei@redhat.com> # Cc: Guenter Roeck <linux@roeck-us.net> # Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> # Signed-off-by: Ming Lei <ming.lei@redhat.com> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-gcc --version # < /opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux-ld --version # < git log --format=%s --max-count=1 fe76fc6aaf538df27708ffa3e5d549a6c8e16142 # < make -s -j 40 ARCH=openrisc O=/kisskb/build/linus_or1ksim_defconfig_or32 CROSS_COMPILE=/opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux- or1ksim_defconfig # make -s -j 40 ARCH=openrisc O=/kisskb/build/linus_or1ksim_defconfig_or32 CROSS_COMPILE=/opt/cross/kisskb/or1k-linux-5.4.0-20170218/or1k-linux/bin/or1k-linux- Completed OK # rm -rf /kisskb/build/linus_or1ksim_defconfig_or32 # Build took: 0:00:13.406211

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