# git rev-parse -q --verify d17498fb9ce6ffee2f68568e28b41b486c179193^{commit} d17498fb9ce6ffee2f68568e28b41b486c179193 already have revision, skipping fetch # git checkout -q -f -B kisskb d17498fb9ce6ffee2f68568e28b41b486c179193 # git clean -qxdf # < git log -1 # commit d17498fb9ce6ffee2f68568e28b41b486c179193 # 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-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 d17498fb9ce6ffee2f68568e28b41b486c179193 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_52xx_pcm030_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 52xx/pcm030_defconfig # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_52xx_pcm030_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_52xx_pcm030_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_52xx_pcm030_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- INFO: Uncompressed kernel (size 0x5bec28) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.10.0trunk+ Created: Sat Dec 26 13:24:41 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2482713 Bytes = 2424.52 KiB = 2.37 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-fixes_52xx_pcm030_defconfig_powerpc-gcc5 # Build took: 0:00:44.959131