# git rev-parse -q --verify 4ecaacc7563a0d17792353e63ddd6c010e900402^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git fixes-test
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 4ecaacc7563a0d17792353e63ddd6c010e900402^{commit}
4ecaacc7563a0d17792353e63ddd6c010e900402
# git checkout -q -f -B kisskb 4ecaacc7563a0d17792353e63ddd6c010e900402
# git clean -qxdf
# < git log -1
# commit 4ecaacc7563a0d17792353e63ddd6c010e900402
# Author: Jason A. Donenfeld <Jason@zx2c4.com>
# Date:   Mon Dec 23 14:31:47 2019 +0100
# 
#     powerpc/spinlocks: Include correct header for static key
#     
#     Recently, the spinlock implementation grew a static key optimization,
#     but the jump_label.h header include was left out, leading to build
#     errors:
#     
#       linux/arch/powerpc/include/asm/spinlock.h:44:7: error: implicit declaration of function ‘static_branch_unlikely’
#        44 |  if (!static_branch_unlikely(&shared_processor))
#     
#     This commit adds the missing header.
#     
#     mpe: The build break is only seen with CONFIG_JUMP_LABEL=n.
#     
#     Fixes: 656c21d6af5d ("powerpc/shared: Use static key to detect shared processor")
#     Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20191223133147.129983-1-Jason@zx2c4.com
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 4ecaacc7563a0d17792353e63ddd6c010e900402
# < make -s -j 32 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# make -s -j 32 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/tools/objtool
/kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq':
/kisskb/src/arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/kisskb/src/arch/x86/kernel/e820.c:665:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6
# Build took: 0:00:19.438878