# git rev-parse -q --verify e9338abf0e186336022293d2e454c106761f262b^{commit}
e9338abf0e186336022293d2e454c106761f262b
already have revision, skipping fetch
# git checkout -q -f -B kisskb e9338abf0e186336022293d2e454c106761f262b
# git clean -qxdf
# < git log -1
# commit e9338abf0e186336022293d2e454c106761f262b
# Merge: dd9c7df94c1b b7eb335e26a9
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Jul 15 13:57:31 2021 -0700
# 
#     Merge tag 'Wimplicit-fallthrough-clang-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
#     
#     Pull fallthrough fixes from Gustavo Silva:
#      "This fixes many fall-through warnings when building with Clang and
#       -Wimplicit-fallthrough, and also enables -Wimplicit-fallthrough for
#       Clang, globally.
#     
#       It's also important to notice that since we have adopted the use of
#       the pseudo-keyword macro fallthrough, we also want to avoid having
#       more /* fall through */ comments being introduced. Contrary to GCC,
#       Clang doesn't recognize any comments as implicit fall-through markings
#       when the -Wimplicit-fallthrough option is enabled.
#     
#       So, in order to avoid having more comments being introduced, we use
#       the option -Wimplicit-fallthrough=5 for GCC, which similar to Clang,
#       will cause a warning in case a code comment is intended to be used as
#       a fall-through marking. The patch for Makefile also enforces this.
#     
#       We had almost 4,000 of these issues for Clang in the beginning, and
#       there might be a couple more out there when building some
#       architectures with certain configurations. However, with the recent
#       fixes I think we are in good shape and it is now possible to enable
#       the warning for Clang"
#     
#     * tag 'Wimplicit-fallthrough-clang-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: (27 commits)
#       Makefile: Enable -Wimplicit-fallthrough for Clang
#       powerpc/smp: Fix fall-through warning for Clang
#       dmaengine: mpc512x: Fix fall-through warning for Clang
#       usb: gadget: fsl_qe_udc: Fix fall-through warning for Clang
#       powerpc/powernv: Fix fall-through warning for Clang
#       MIPS: Fix unreachable code issue
#       MIPS: Fix fall-through warnings for Clang
#       ASoC: Mediatek: MT8183: Fix fall-through warning for Clang
#       power: supply: Fix fall-through warnings for Clang
#       dmaengine: ti: k3-udma: Fix fall-through warning for Clang
#       s390: Fix fall-through warnings for Clang
#       dmaengine: ipu: Fix fall-through warning for Clang
#       iommu/arm-smmu-v3: Fix fall-through warning for Clang
#       mmc: jz4740: Fix fall-through warning for Clang
#       PCI: Fix fall-through warning for Clang
#       scsi: libsas: Fix fall-through warning for Clang
#       video: fbdev: Fix fall-through warning for Clang
#       math-emu: Fix fall-through warning
#       cpufreq: Fix fall-through warning for Clang
#       drm/msm: Fix fall-through warning in msm_gem_new_impl()
#       ...
# < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 e9338abf0e186336022293d2e454c106761f262b
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  randconfig
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# Added to kconfig CONFIG_CPU_BIG_ENDIAN=y
# Added to kconfig CONFIG_PPC64=y
# Added to kconfig CONFIG_PPC_DISABLE_WERROR=y
# Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y
# Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n
# Added to kconfig CONFIG_UBSAN=n
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:4651:warning: override: reassigning to symbol MODULE_SIG
.config:4654:warning: override: reassigning to symbol PPC_DISABLE_WERROR
.config:4656:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
Completed OK
# rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9
# Build took: 0:05:28.370096