# git rev-parse -q --verify 6da3eced8c5f3b03340b0c395bacd552c4d52411^{commit}
6da3eced8c5f3b03340b0c395bacd552c4d52411
already have revision, skipping fetch
# git checkout -q -f -B kisskb 6da3eced8c5f3b03340b0c395bacd552c4d52411
# git clean -qxdf
# < git log -1
# commit 6da3eced8c5f3b03340b0c395bacd552c4d52411
# 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>
#     Reviewed-by: Srikar Dronamraju <srikar@linux.ibm.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/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 6da3eced8c5f3b03340b0c395bacd552c4d52411
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_40x_obs600_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  40x/obs600_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_40x_obs600_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/kernel/head_40x.S: Assembler messages:
/kisskb/src/arch/powerpc/kernel/head_40x.S:802: Warning: invalid register expression
INFO: Uncompressed kernel (size 0x4f4388) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x500000)
Image Name:   Linux-5.5.0-rc3-g6da3eced8c5f
Created:      Mon Dec 30 22:47:24 2019
Image Type:   PowerPC Linux Multi-File Image (gzip compressed)
Data Size:    2544410 Bytes = 2484.78 KiB = 2.43 MiB
Load Address: 00000000
Entry Point:  00000000
Contents:
   Image 0: 2537523 Bytes = 2478.05 KiB = 2.42 MiB
   Image 1: 2 Bytes = 0.00 KiB = 0.00 MiB
   Image 2: 6866 Bytes = 6.71 KiB = 0.01 MiB
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_40x_obs600_defconfig_powerpc-gcc5
# Build took: 0:00:36.716019