Buildresult: linus/a500_defconfig/parisc64-gcc8 built on Jan 15 2019, 19:47
kisskb
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Status:
OK
Date/Time:
Jan 15 2019, 19:47
Duration:
0:00:42.333614
Builder:
ka4
Revision:
sbitmap: Protect swap_lock from hardirq (
fe76fc6aaf538df27708ffa3e5d549a6c8e16142)
Target:
linus/a500_defconfig/parisc64-gcc8
Branch:
linus
Compiler:
parisc64-gcc8
(hppa64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:
a500_defconfig
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Log:
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Possible warnings (2)
<stdin>:1336:2: warning: #warning syscall rseq not implemented [-Wcpp] arch/parisc/include/asm/cmpxchg.h:48:3: warning: value computed is not used [-Wunused-value]
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/korg/gcc-8.1.0-nolibc/hppa64-linux/bin/hppa64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa64-linux/bin/hppa64-linux-ld --version # < git log --format=%s --max-count=1 fe76fc6aaf538df27708ffa3e5d549a6c8e16142 # < make -s -j 40 ARCH=parisc O=/kisskb/build/linus_a500_defconfig_parisc64 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa64-linux/bin/hppa64-linux- a500_defconfig # make -s -j 40 ARCH=parisc O=/kisskb/build/linus_a500_defconfig_parisc64 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/hppa64-linux/bin/hppa64-linux- <stdin>:1336:2: warning: #warning syscall rseq not implemented [-Wcpp] In file included from /kisskb/src/arch/parisc/include/asm/atomic.h:10, from /kisskb/src/include/linux/atomic.h:7, from /kisskb/src/arch/parisc/include/asm/bitops.h:13, from /kisskb/src/include/linux/bitops.h:19, from /kisskb/src/include/linux/kernel.h:11, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/module.h:9, from /kisskb/src/drivers/scsi/scsi_debug.c:23: /kisskb/src/drivers/scsi/scsi_debug.c: In function 'resp_start_stop': /kisskb/src/arch/parisc/include/asm/cmpxchg.h:48:3: warning: value computed is not used [-Wunused-value] ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) /kisskb/src/arch/parisc/include/asm/atomic.h:78:30: note: in expansion of macro 'xchg' #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) ^~~~ /kisskb/src/drivers/scsi/scsi_debug.c:1624:2: note: in expansion of macro 'atomic_xchg' atomic_xchg(&devip->stopped, stop); ^~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/linus_a500_defconfig_parisc64 # Build took: 0:00:42.333614
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