# git rev-parse -q --verify 3719876809e745b9db5293d418600c194bbf5c23^{commit}
3719876809e745b9db5293d418600c194bbf5c23
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3719876809e745b9db5293d418600c194bbf5c23
# git clean -qxdf
# < git log -1
# commit 3719876809e745b9db5293d418600c194bbf5c23
# Author: Steven Rostedt (VMware) <rostedt@goodmis.org>
# Date:   Mon Jan 14 12:25:40 2019 -0500
# 
#     sbitmap: Protect swap_lock from softirqs
#     
#     The swap_lock used by sbitmap has a chain with locks taken from softirq,
#     but the swap_lock is not protected from being preempted by softirqs.
#     
#     A chain exists of:
#     
#      sbq->ws[i].wait -> dispatch_wait_lock -> swap_lock
#     
#     Where the sbq->ws[i].wait lock can be taken from softirq context, which
#     means all locks below it in the chain must also be protected from
#     softirqs.
#     
#     Reported-by: Clark Williams <williams@redhat.com>
#     Fixes: 58ab5e32e6fd ("sbitmap: silence bogus lockdep IRQ warning")
#     Fixes: ea86ea2cdced ("sbitmap: amortize cost of clearing bits")
#     Cc: Jens Axboe <axboe@kernel.dk>
#     Cc: Ming Lei <ming.lei@redhat.com>
#     Cc: Guenter Roeck <linux@roeck-us.net>
#     Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-ld --version
# < git log --format=%s --max-count=1 3719876809e745b9db5293d418600c194bbf5c23
# < make -s -j 8 ARCH=mips O=/kisskb/build/linus_mips-allnoconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-  allnoconfig
# make -s -j 8 ARCH=mips O=/kisskb/build/linus_mips-allnoconfig_mips-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/mips-linux/bin/mips-linux-  
FIT description: Linux 5.0.0-rc2+
Created:         Tue Jan 15 11:39:22 2019
 Image 0 (kernel@0)
  Description:  Linux 5.0.0-rc2+
  Created:      Tue Jan 15 11:39:22 2019
  Type:         Kernel Image
  Compression:  gzip compressed
  Data Size:    632958 Bytes = 618.12 KiB = 0.60 MiB
  Architecture: MIPS
  OS:           Linux
  Load Address: 0x80100000
  Entry Point:  0x8021ba60
  Hash algo:    sha1
  Hash value:   d2a26b414afff5b83ff73c32ac601938547440f0
 Default Configuration: 'conf@default'
 Configuration 0 (conf@default)
  Description:  Generic Linux kernel
  Kernel:       kernel@0
Completed OK
# rm -rf /kisskb/build/linus_mips-allnoconfig_mips-gcc8
# Build took: 0:00:29.025342