# git rev-parse -q --verify 2abd839aa7e615f2bbc50c8ba7deb9e40d186768^{commit}
2abd839aa7e615f2bbc50c8ba7deb9e40d186768
already have revision, skipping fetch
# git checkout -q -f -B kisskb 2abd839aa7e615f2bbc50c8ba7deb9e40d186768
# git clean -qxdf
# < git log -1
# commit 2abd839aa7e615f2bbc50c8ba7deb9e40d186768
# Author: Catalin Marinas <catalin.marinas@arm.com>
# Date:   Fri Oct 4 14:46:24 2019 +0100
# 
#     kmemleak: Do not corrupt the object_list during clean-up
#     
#     In case of an error (e.g. memory pool too small), kmemleak disables
#     itself and cleans up the already allocated metadata objects. However, if
#     this happens early before the RCU callback mechanism is available,
#     put_object() skips call_rcu() and frees the object directly. This is not
#     safe with the RCU list traversal in __kmemleak_do_cleanup().
#     
#     Change the list traversal in __kmemleak_do_cleanup() to
#     list_for_each_entry_safe() and remove the rcu_read_{lock,unlock} since
#     the kmemleak is already disabled at this point. In addition, avoid an
#     unnecessary metadata object rb-tree look-up since it already has the
#     struct kmemleak_object pointer.
#     
#     Fixes: c5665868183f ("mm: kmemleak: use the memory pool for early allocations")
#     Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
#     Reported-by: Marc Dionne <marc.c.dionne@gmail.com>
#     Reported-by: Ted Ts'o <tytso@mit.edu>
#     Cc: Andrew Morton <akpm@linux-foundation.org>
#     Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-gcc --version
# < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-ld --version
# < git log --format=%s --max-count=1 2abd839aa7e615f2bbc50c8ba7deb9e40d186768
# < make -s -j 120 ARCH=mips O=/kisskb/build/linus_mips-allnoconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-  allnoconfig
# make -s -j 120 ARCH=mips O=/kisskb/build/linus_mips-allnoconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-  
FIT description: Linux 5.4.0-rc3+
Created:         Tue Oct 15 04:57:25 2019
 Image 0 (kernel@0)
  Description:  Linux 5.4.0-rc3+
  Created:      Tue Oct 15 04:57:25 2019
  Type:         Kernel Image
  Compression:  gzip compressed
  Data Size:    661924 Bytes = 646.41 KiB = 0.63 MiB
  Architecture: MIPS
  OS:           Linux
  Load Address: 0x80100000
  Entry Point:  0x80229380
  Hash algo:    sha1
  Hash value:   5f6aa07a0d6d4bbf6f2b0dd247184eb07ae47aa0
 Default Configuration: 'conf@default'
 Configuration 0 (conf@default)
  Description:  Generic Linux kernel
  Kernel:       kernel@0
Completed OK
# rm -rf /kisskb/build/linus_mips-allnoconfig_mipsel
# Build took: 0:00:11.197896