# git rev-parse -q --verify 52e44129fba5cfc4e351fdb5e45849afc74d9a53^{commit}
52e44129fba5cfc4e351fdb5e45849afc74d9a53
already have revision, skipping fetch
# git checkout -q -f -B kisskb 52e44129fba5cfc4e351fdb5e45849afc74d9a53
# git clean -qxdf
# < git log -1
# commit 52e44129fba5cfc4e351fdb5e45849afc74d9a53
# Merge: efc2da9241e6 0760fa3d8f7f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Apr 10 12:51:12 2021 -0700
# 
#     Merge branch 'for-5.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
#     
#     Pull percpu fix from Dennis Zhou:
#      "This contains a fix for sporadically failing atomic percpu
#       allocations.
#     
#       I only caught it recently while I was reviewing a new series [1] and
#       simultaneously saw reports by btrfs in xfstests [2] and [3].
#     
#       In v5.9, memcg accounting was extended to percpu done by adding a
#       second type of chunk. I missed an interaction with the free page float
#       count used to ensure we can support atomic allocations. If one type of
#       chunk has no free pages, but the other has enough to satisfy the free
#       page float requirement, we will not repopulate the free pages for the
#       former type of chunk. This led to the sporadically failing atomic
#       allocations"
#     
#     Link: https://lore.kernel.org/linux-mm/20210324190626.564297-1-guro@fb.com/ [1]
#     Link: https://lore.kernel.org/linux-mm/20210401185158.3275.409509F4@e16-tech.com/ [2]
#     Link: https://lore.kernel.org/linux-mm/CAL3q7H5RNBjCi708GH7jnczAOe0BLnacT9C+OBgA-Dx9jhB6SQ@mail.gmail.com/ [3]
#     
#     * 'for-5.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
#       percpu: make pcpu_nr_empty_pop_pages per chunk type
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 52e44129fba5cfc4e351fdb5e45849afc74d9a53
# < make -s -j 80 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  allmodconfig
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_HAVE_FTRACE_MCOUNT_RECORD=n
# Added to kconfig CONFIG_SAMPLES=n
# Added to kconfig CONFIG_MODULE_SIG=n
# < make -s -j 80 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  help
# make -s -j 80 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  olddefconfig
# make -s -j 80 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
In file included from /kisskb/src/include/linux/kernel.h:14:0,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:12,
                 from /kisskb/src/drivers/gpu/drm/ttm/ttm_pool.c:34:
/kisskb/src/drivers/gpu/drm/ttm/ttm_pool.c: In function 'ttm_pool_alloc':
/kisskb/src/include/linux/minmax.h:18:28: warning: comparison of distinct pointer types lacks a cast
  (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
                            ^
/kisskb/src/include/linux/minmax.h:32:4: note: in expansion of macro '__typecheck'
   (__typecheck(x, y) && __no_side_effects(x, y))
    ^
/kisskb/src/include/linux/minmax.h:42:24: note: in expansion of macro '__safe_cmp'
  __builtin_choose_expr(__safe_cmp(x, y), \
                        ^
/kisskb/src/include/linux/minmax.h:51:19: note: in expansion of macro '__careful_cmp'
 #define min(x, y) __careful_cmp(x, y, <)
                   ^
/kisskb/src/drivers/gpu/drm/ttm/ttm_pool.c:383:15: note: in expansion of macro 'min'
  for (order = min(MAX_ORDER - 1UL, __fls(num_pages)); num_pages;
               ^
/kisskb/src/drivers/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp]
 #warning Precise timer not defined for this architecture.
  ^
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-allmodconfig_sparc64
# Build took: 0:15:55.714781