# git rev-parse -q --verify fc37a1632d40c80c067eb1bc235139f5867a2667^{commit} fc37a1632d40c80c067eb1bc235139f5867a2667 already have revision, skipping fetch # git checkout -q -f -B kisskb fc37a1632d40c80c067eb1bc235139f5867a2667 # git clean -qxdf # < git log -1 # commit fc37a1632d40c80c067eb1bc235139f5867a2667 # Author: Desnes A. Nunes do Rosario # Date: Thu Feb 27 10:47:15 2020 -0300 # # powerpc: fix hardware PMU exception bug on PowerVM compatibility mode systems # # PowerVM systems running compatibility mode on a few Power8 revisions are # still vulnerable to the hardware defect that loses PMU exceptions arriving # prior to a context switch. # # The software fix for this issue is enabled through the CPU_FTR_PMAO_BUG # cpu_feature bit, nevertheless this bit also needs to be set for PowerVM # compatibility mode systems. # # Fixes: 68f2f0d431d9ea4 ("powerpc: Add a cpu feature CPU_FTR_PMAO_BUG") # Signed-off-by: Desnes A. Nunes do Rosario # Reviewed-by: Leonardo Bras # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20200227134715.9715-1-desnesn@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 fc37a1632d40c80c067eb1bc235139f5867a2667 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_83xx_mpc834x_mds_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 83xx/mpc834x_mds_defconfig # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_83xx_mpc834x_mds_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_83xx_mpc834x_mds_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_83xx_mpc834x_mds_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- INFO: Uncompressed kernel (size 0x54f260) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x53eb78) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.6.0-rc2-gfc37a1632d40 Created: Sat Feb 29 02:04:37 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2666749 Bytes = 2604.25 KiB = 2.54 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.6.0-rc2-gfc37a1632d40 Created: Sat Feb 29 02:04:37 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2695546 Bytes = 2632.37 KiB = 2.57 MiB Load Address: 00600000 Entry Point: 00600294 Completed OK # rm -rf /kisskb/build/powerpc-fixes_83xx_mpc834x_mds_defconfig_powerpc-gcc5 # Build took: 0:00:48.159170