Buildresult: powerpc-next-rand/powerpc-randconfig/powerpc-gcc4.9 built on Jun 7 2021, 05:08
kisskb
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Status:
OK
Date/Time:
Jun 7 2021, 05:08
Duration:
0:02:36.850480
Builder:
blade4b
Revision:
powerpc/barrier: Avoid collision with clang's __lwsync macro (
df85055f4421b6d147cca0ac6df8535392128775)
Target:
powerpc-next-rand/powerpc-randconfig/powerpc-gcc4.9
Branch:
powerpc-next-rand
Compiler:
powerpc-gcc4.9
(powerpc64-linux-gcc (GCC) 4.9.4 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:
randconfig
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Log:
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Possible warnings (8)
.config:4495:warning: override: reassigning to symbol STANDALONE .config:4501:warning: override: reassigning to symbol SECTION_MISMATCH_WARN_ONLY .config:4502:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD arch/powerpc/platforms/cell/spufs/sched.c:1056:12: warning: 'show_spu_loadavg' defined but not used [-Wunused-function] security/landlock/ruleset.c:196:34: warning: passing argument 2 of 'create_rule' from incompatible pointer type security/landlock/ruleset.c:240:38: warning: passing argument 3 of 'insert_rule' from incompatible pointer type security/landlock/ruleset.c:300:47: warning: passing argument 3 of 'insert_rule' from incompatible pointer type security/landlock/ruleset.c:330:5: warning: passing argument 3 of 'insert_rule' from incompatible pointer type
Full Log
# git rev-parse -q --verify df85055f4421b6d147cca0ac6df8535392128775^{commit} df85055f4421b6d147cca0ac6df8535392128775 already have revision, skipping fetch # git checkout -q -f -B kisskb df85055f4421b6d147cca0ac6df8535392128775 # git clean -qxdf # < git log -1 # commit df85055f4421b6d147cca0ac6df8535392128775 # Author: Nathan Chancellor <nathan@kernel.org> # Date: Fri May 28 11:27:52 2021 -0700 # # powerpc/barrier: Avoid collision with clang's __lwsync macro # # A change in clang 13 results in the __lwsync macro being defined as # __builtin_ppc_lwsync, which emits 'lwsync' or 'msync' depending on what # the target supports. This breaks the build because of -Werror in # arch/powerpc, along with thousands of warnings: # # In file included from arch/powerpc/kernel/pmc.c:12: # In file included from include/linux/bug.h:5: # In file included from arch/powerpc/include/asm/bug.h:109: # In file included from include/asm-generic/bug.h:20: # In file included from include/linux/kernel.h:12: # In file included from include/linux/bitops.h:32: # In file included from arch/powerpc/include/asm/bitops.h:62: # arch/powerpc/include/asm/barrier.h:49:9: error: '__lwsync' macro redefined [-Werror,-Wmacro-redefined] # #define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") # ^ # <built-in>:308:9: note: previous definition is here # #define __lwsync __builtin_ppc_lwsync # ^ # 1 error generated. # # Undefine this macro so that the runtime patching introduced by # commit 2d1b2027626d ("powerpc: Fixup lwsync at runtime") continues to # work properly with clang and the build no longer breaks. # # Cc: stable@vger.kernel.org # Signed-off-by: Nathan Chancellor <nathan@kernel.org> # Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://github.com/ClangBuiltLinux/linux/issues/1386 # Link: https://github.com/llvm/llvm-project/commit/62b5df7fe2b3fda1772befeda15598fbef96a614 # Link: https://lore.kernel.org/r/20210528182752.1852002-1-nathan@kernel.org # < /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 df85055f4421b6d147cca0ac6df8535392128775 # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- randconfig # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:4495:warning: override: reassigning to symbol STANDALONE .config:4501:warning: override: reassigning to symbol SECTION_MISMATCH_WARN_ONLY .config:4502:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/platforms/cell/spufs/sched.c:1056:12: warning: 'show_spu_loadavg' defined but not used [-Wunused-function] static int show_spu_loadavg(struct seq_file *s, void *private) ^ /kisskb/src/security/landlock/ruleset.c: In function 'insert_rule': /kisskb/src/security/landlock/ruleset.c:196:34: warning: passing argument 2 of 'create_rule' from incompatible pointer type new_rule = create_rule(object, &this->layers, this->num_layers, ^ /kisskb/src/security/landlock/ruleset.c:69:30: note: expected 'const struct landlock_layer (* const)[]' but argument is of type 'struct landlock_layer (*)[]' static struct landlock_rule *create_rule( ^ /kisskb/src/security/landlock/ruleset.c: In function 'landlock_insert_rule': /kisskb/src/security/landlock/ruleset.c:240:38: warning: passing argument 3 of 'insert_rule' from incompatible pointer type return insert_rule(ruleset, object, &layers, ARRAY_SIZE(layers)); ^ /kisskb/src/security/landlock/ruleset.c:144:12: note: expected 'const struct landlock_layer (* const)[]' but argument is of type 'struct landlock_layer (*)[1]' static int insert_rule(struct landlock_ruleset *const ruleset, ^ /kisskb/src/security/landlock/ruleset.c: In function 'merge_ruleset': /kisskb/src/security/landlock/ruleset.c:300:47: warning: passing argument 3 of 'insert_rule' from incompatible pointer type err = insert_rule(dst, walker_rule->object, &layers, ^ /kisskb/src/security/landlock/ruleset.c:144:12: note: expected 'const struct landlock_layer (* const)[]' but argument is of type 'struct landlock_layer (*)[1]' static int insert_rule(struct landlock_ruleset *const ruleset, ^ /kisskb/src/security/landlock/ruleset.c: In function 'inherit_ruleset': /kisskb/src/security/landlock/ruleset.c:330:5: warning: passing argument 3 of 'insert_rule' from incompatible pointer type &walker_rule->layers, walker_rule->num_layers); ^ /kisskb/src/security/landlock/ruleset.c:144:12: note: expected 'const struct landlock_layer (* const)[]' but argument is of type 'struct landlock_layer (*)[]' static int insert_rule(struct landlock_ruleset *const ruleset, ^ Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 # Build took: 0:02:36.850480
© Michael Ellerman 2006-2018.