# git rev-parse -q --verify 98bf2d3f4970179c702ef64db658e0553bc6ef3a^{commit} 98bf2d3f4970179c702ef64db658e0553bc6ef3a already have revision, skipping fetch # git checkout -q -f -B kisskb 98bf2d3f4970179c702ef64db658e0553bc6ef3a # git clean -qxdf # < git log -1 # commit 98bf2d3f4970179c702ef64db658e0553bc6ef3a # Author: Christophe Leroy # Date: Tue Dec 22 07:11:18 2020 +0000 # # powerpc/32s: Fix RTAS machine check with VMAP stack # # When we have VMAP stack, exception prolog 1 sets r1, not r11. # # When it is not an RTAS machine check, don't trash r1 because it is # needed by prolog 1. # # Fixes: da7bb43ab9da ("powerpc/32: Fix vmap stack - Properly set r1 before activating MMU") # Fixes: d2e006036082 ("powerpc/32: Use SPRN_SPRG_SCRATCH2 in exception prologs") # Cc: stable@vger.kernel.org # v5.10+ # Signed-off-by: Christophe Leroy # [mpe: Squash in fixup for RTAS machine check from Christophe] # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/bc77d61d1c18940e456a2dee464f1e2eda65a3f0.1608621048.git.christophe.leroy@csgroup.eu # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 98bf2d3f4970179c702ef64db658e0553bc6ef3a # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_85xx_ppa8548_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- 85xx/ppa8548_defconfig # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_85xx_ppa8548_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_85xx_ppa8548_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_85xx_ppa8548_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- INFO: Uncompressed kernel (size 0x5377a8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.11.0-rc2-g98bf2d3f4970 Created: Tue Jan 5 01:33:56 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2509795 Bytes = 2450.97 KiB = 2.39 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-fixes_85xx_ppa8548_defconfig_powerpc-gcc4.9 # Build took: 0:00:29.692217