# git rev-parse -q --verify 249c9b0cd193d983c3a0b00f3fd3b92333bfeebe^{commit} 249c9b0cd193d983c3a0b00f3fd3b92333bfeebe already have revision, skipping fetch # git checkout -q -f -B kisskb 249c9b0cd193d983c3a0b00f3fd3b92333bfeebe # git clean -qxdf # < git log -1 # commit 249c9b0cd193d983c3a0b00f3fd3b92333bfeebe # Author: Christophe Leroy # Date: Sat May 9 17:05:11 2020 +0000 # # powerpc/40x: Make more space for system call exception # # When CONFIG_VIRT_CPU_ACCOUNTING is selected, system call exception # handler doesn't fit below 0xd00 and build fails. # # As exception 0xd00 doesn't exist and is never generated by 40x, # comment it out in order to get more space for system call exception. # # Fixes: 9e27086292aa ("powerpc/32: Warn and return ENOSYS on syscalls from kernel") # Reported-by: kbuild test robot # Signed-off-by: Christophe Leroy # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/633165d72f75b4ef4c0901aebe99d3915c93e9a2.1589043863.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 249c9b0cd193d983c3a0b00f3fd3b92333bfeebe # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc8272_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc8272_ads_defconfig # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc8272_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc8272_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc8272_ads_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/kernel/head_32.S: Assembler messages: /kisskb/src/arch/powerpc/kernel/head_32.S:1088: Warning: invalid register expression /kisskb/src/block/genhd.c: In function 'diskstats_show': /kisskb/src/block/genhd.c:1617:1: warning: the frame size of 1192 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ^ /kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here int oldval, ret; ^ INFO: Uncompressed kernel (size 0x5b7dc0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x5a77ac) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.7.0-rc2-g249c9b0cd193d Created: Thu May 14 05:48:40 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2961006 Bytes = 2891.61 KiB = 2.82 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.7.0-rc2-g249c9b0cd193d Created: Thu May 14 05:48:40 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2993817 Bytes = 2923.65 KiB = 2.86 MiB Load Address: 00600000 Entry Point: 00600894 Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc8272_ads_defconfig_powerpc-gcc4.9 # Build took: 0:01:00.097495