# git rev-parse -q --verify 8d0e2101274358d9b6b1f27232b40253ca48bab5^{commit} 8d0e2101274358d9b6b1f27232b40253ca48bab5 already have revision, skipping fetch # git checkout -q -f -B kisskb 8d0e2101274358d9b6b1f27232b40253ca48bab5 # git clean -qxdf # < git log -1 # commit 8d0e2101274358d9b6b1f27232b40253ca48bab5 # Author: Ganesh Goudar # Date: Fri Oct 9 12:10:04 2020 +0530 # # powerpc/mce: Avoid nmi_enter/exit in real mode on pseries hash # # Use of nmi_enter/exit in real mode handler causes the kernel to panic # and reboot on injecting SLB mutihit on pseries machine running in hash # MMU mode, because these calls try to accesses memory outside RMO # region in real mode handler where translation is disabled. # # Add check to not to use these calls on pseries machine running in hash # MMU mode. # # Fixes: 116ac378bb3f ("powerpc/64s: machine check interrupt update NMI accounting") # Cc: stable@vger.kernel.org # v5.8+ # Signed-off-by: Ganesh Goudar # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20201009064005.19777-2-ganeshgr@linux.ibm.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 8d0e2101274358d9b6b1f27232b40253ca48bab5 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig+FA_DUMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- pseries_defconfig # Added to kconfig CONFIG_CRASH_DUMP=y # Added to kconfig CONFIG_FA_DUMP=y # yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig+FA_DUMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig+FA_DUMP_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- Completed OK # rm -rf /kisskb/build/powerpc-fixes_pseries_defconfig+FA_DUMP_powerpc-gcc5 # Build took: 0:01:54.661934