# git rev-parse -q --verify 5990cdee689c6885b27c6d969a3d58b09002b0bc^{commit} 5990cdee689c6885b27c6d969a3d58b09002b0bc already have revision, skipping fetch # git checkout -q -f -B kisskb 5990cdee689c6885b27c6d969a3d58b09002b0bc # git clean -qxdf # < git log -1 # commit 5990cdee689c6885b27c6d969a3d58b09002b0bc # Author: Nathan Chancellor # Date: Mon Apr 13 12:50:42 2020 -0700 # # lib/mpi: Fix building for powerpc with clang # # 0day reports over and over on an powerpc randconfig with clang: # # lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a # inline asm context requiring an l-value: remove the cast or build with # -fheinous-gnu-extensions # # Remove the superfluous casts, which have been done previously for x86 # and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and # commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit # x86"). # # Reported-by: kbuild test robot # Signed-off-by: Nathan Chancellor # Acked-by: Herbert Xu # Signed-off-by: Michael Ellerman # Link: https://github.com/ClangBuiltLinux/linux/issues/991 # Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com # < /opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux-ld --version # < git log --format=%s --max-count=1 5990cdee689c6885b27c6d969a3d58b09002b0bc # < make -s -j 24 ARCH=sh O=/kisskb/build/powerpc-fixes_sh-defconfig_sh4-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- defconfig # < make -s -j 24 ARCH=sh O=/kisskb/build/powerpc-fixes_sh-defconfig_sh4-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- help # make -s -j 24 ARCH=sh O=/kisskb/build/powerpc-fixes_sh-defconfig_sh4-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- olddefconfig # make -s -j 24 ARCH=sh O=/kisskb/build/powerpc-fixes_sh-defconfig_sh4-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- Generating include/generated/machtypes.h :1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S: Assembler messages: /kisskb/src/arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S:385: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence /kisskb/src/arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S:388: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence /kisskb/src/arch/sh/mm/init.c: In function 'arch_add_memory': /kisskb/src/arch/sh/mm/init.c:416:3: error: expected ')' before 'return' /kisskb/src/arch/sh/mm/init.c:424:1: error: expected expression before '}' token /kisskb/src/arch/sh/mm/init.c:413:6: error: unused variable 'ret' [-Werror=unused-variable] /kisskb/src/arch/sh/mm/init.c:412:16: error: unused variable 'nr_pages' [-Werror=unused-variable] /kisskb/src/arch/sh/mm/init.c:411:16: error: unused variable 'start_pfn' [-Werror=unused-variable] /kisskb/src/arch/sh/mm/init.c:424:1: error: control reaches end of non-void function [-Werror=return-type] cc1: all warnings being treated as errors make[2]: *** [/kisskb/src/scripts/Makefile.build:267: arch/sh/mm/init.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/kisskb/src/Makefile:1722: arch/sh/mm] Error 2 make[1]: *** Waiting for unfinished jobs.... /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler': /kisskb/src/mm/vmstat.c:90:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_events.c: In function 'event_create_dir': /kisskb/src/kernel/trace/trace_events.c:2189:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1774:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here make: *** [Makefile:180: sub-make] Error 2 Command 'make -s -j 24 ARCH=sh O=/kisskb/build/powerpc-fixes_sh-defconfig_sh4-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-fixes_sh-defconfig_sh4-gcc4.6 # Build took: 0:00:18.690071