# git rev-parse -q --verify 6391d2478e2f6fc8db2c78f62b13085fd5dfb10e^{commit} 6391d2478e2f6fc8db2c78f62b13085fd5dfb10e already have revision, skipping fetch # git checkout -q -f -B kisskb 6391d2478e2f6fc8db2c78f62b13085fd5dfb10e # git clean -qxdf # < git log -1 # commit 6391d2478e2f6fc8db2c78f62b13085fd5dfb10e # Author: Nicholas Piggin # Date: Wed May 24 16:08:21 2023 +1000 # # powerpc/64s/radix: combine final TLB flush and lazy tlb mm shootdown IPIs # # This performs lazy tlb mm shootdown when doing the exit TLB flush when # all mm users go away and user mappings are removed, which avoids having # to do the lazy tlb mm shootdown IPIs on the final mmput when all kernel # references disappear. # # powerpc/64s uses a broadcast TLBIE for the exit TLB flush if remote CPUs # need to be invalidated (unless TLBIE is disabled), so this doesn't # necessarily save IPIs but it does avoid a broadcast TLBIE which is quite # expensive. # # Signed-off-by: Nicholas Piggin # [mpe: Squash in preempt_disable/enable() fix from Nick] # Signed-off-by: Michael Ellerman # Link: https://msgid.link/20230524060821.148015-5-npiggin@gmail.com # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/s390-linux/bin/s390-linux-ld --version # < git log --format=%s --max-count=1 6391d2478e2f6fc8db2c78f62b13085fd5dfb10e # make -s -j 160 ARCH=s390 O=/kisskb/build/powerpc-next_defconfig_s390x-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/s390-linux/bin/s390-linux- defconfig # Added to kconfig CONFIG_DEBUG_INFO_BTF=n # Added to kconfig # < make -s -j 160 ARCH=s390 O=/kisskb/build/powerpc-next_defconfig_s390x-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/s390-linux/bin/s390-linux- help # make -s -j 160 ARCH=s390 O=/kisskb/build/powerpc-next_defconfig_s390x-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/s390-linux/bin/s390-linux- olddefconfig .config:3688:warning: override: reassigning to symbol DEBUG_INFO_BTF # make -s -j 160 ARCH=s390 O=/kisskb/build/powerpc-next_defconfig_s390x-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/s390-linux/bin/s390-linux- Completed OK # rm -rf /kisskb/build/powerpc-next_defconfig_s390x-gcc13 # Build took: 0:05:44.776610