# git rev-parse -q --verify b9b8c8d3b4101788dd2c9ff5137baf7801a8f563^{commit} b9b8c8d3b4101788dd2c9ff5137baf7801a8f563 already have revision, skipping fetch # git checkout -q -f -B kisskb b9b8c8d3b4101788dd2c9ff5137baf7801a8f563 # git clean -qxdf # < git log -1 # commit b9b8c8d3b4101788dd2c9ff5137baf7801a8f563 # 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 b9b8c8d3b4101788dd2c9ff5137baf7801a8f563 # < make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_sequoia_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 44x/sequoia_defconfig # < make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_sequoia_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_sequoia_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_sequoia_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- INFO: Uncompressed kernel (size 0x4ff2f4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) Image Name: Linux-5.10.0-79119-gb9b8c8d3b41 Created: Thu Dec 24 14:25:55 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2529956 Bytes = 2470.66 KiB = 2.41 MiB Load Address: 00500000 Entry Point: 00501534 Completed OK # rm -rf /kisskb/build/powerpc-fixes_44x_sequoia_defconfig_powerpc-gcc5 # Build took: 0:01:05.905712