# git rev-parse -q --verify 43fe1a217bf4a21e665b77fd85cd8605132d3d11^{commit}
43fe1a217bf4a21e665b77fd85cd8605132d3d11
already have revision, skipping fetch
# git checkout -q -f -B kisskb 43fe1a217bf4a21e665b77fd85cd8605132d3d11
# git clean -qxdf
# < git log -1
# commit 43fe1a217bf4a21e665b77fd85cd8605132d3d11
# Author: Nicholas Piggin <npiggin@gmail.com>
# Date:   Fri Oct 14 09:07:10 2022 +1000
# 
#     powerpc/64s: make linear_map_hash_lock a raw spinlock
#     
#     This lock is taken while the raw kfence_freelist_lock is held, so it
#     must also be a raw spinlock, as reported by lockdep when raw lock
#     nesting checking is enabled.
#     
#     Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20221013230710.1987253-3-npiggin@gmail.com
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 43fe1a217bf4a21e665b77fd85cd8605132d3d11
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ep88xc_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ep88xc_defconfig
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ep88xc_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ep88xc_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ep88xc_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/fs/coredump.c:834:12: warning: 'dump_emit_page' defined but not used [-Wunused-function]
 static int dump_emit_page(struct coredump_params *cprm, struct page *page)
            ^
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_ep88xc_defconfig_powerpc-gcc5
# Build took: 0:00:34.841884