# git rev-parse -q --verify a1ee28117077c3bf24e5ab6324c835eaab629c45^{commit} a1ee28117077c3bf24e5ab6324c835eaab629c45 already have revision, skipping fetch # git checkout -q -f -B kisskb a1ee28117077c3bf24e5ab6324c835eaab629c45 # git clean -qxdf # < git log -1 # commit a1ee28117077c3bf24e5ab6324c835eaab629c45 # Author: Nicholas Piggin # Date: Sat Nov 28 17:07:21 2020 +1000 # # powerpc/64s/powernv: Fix memory corruption when saving SLB entries on MCE # # This can be hit by an HPT guest running on an HPT host and bring down # the host, so it's quite important to fix. # # Fixes: 7290f3b3d3e6 ("powerpc/64s/powernv: machine check dump SLB contents") # Cc: stable@vger.kernel.org # v5.4+ # Signed-off-by: Nicholas Piggin # Acked-by: Mahesh Salgaonkar # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20201128070728.825934-2-npiggin@gmail.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 a1ee28117077c3bf24e5ab6324c835eaab629c45 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 44x/fsp2_defconfig # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_fsp2_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_44x_fsp2_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_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/kernel/rcu/update.c:578:0: /kisskb/src/kernel/rcu/tasks.h:710:13: warning: 'show_rcu_tasks_rude_gp_kthread' defined but not used [-Wunused-function] static void show_rcu_tasks_rude_gp_kthread(void) {} ^ INFO: Uncompressed kernel (size 0xa74e64) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-5.10.0-rc2-65327-ga1ee2811 Created: Thu Dec 3 02:01:26 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4560024 Bytes = 4453.15 KiB = 4.35 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-fixes_44x_fsp2_defconfig_powerpc-gcc5 # Build took: 0:01:12.642766