# git rev-parse -q --verify bee08a9e6ab03caf14481d97b35a258400ffab8f^{commit}
bee08a9e6ab03caf14481d97b35a258400ffab8f
already have revision, skipping fetch
# git checkout -q -f -B kisskb bee08a9e6ab03caf14481d97b35a258400ffab8f
# git clean -qxdf
# < git log -1
# commit bee08a9e6ab03caf14481d97b35a258400ffab8f
# Author: Nathan Chancellor <nathan@kernel.org>
# Date:   Wed Oct 9 12:26:09 2024 -0700
# 
#     powerpc: Adjust adding stack protector flags to KBUILD_CLAGS for clang
#     
#     After fixing the HAVE_STACKPROTECTER checks for clang's in-progress
#     per-task stack protector support [1], the build fails during prepare0
#     because '-mstack-protector-guard-offset' has not been added to
#     KBUILD_CFLAGS yet but the other '-mstack-protector-guard' flags have.
#     
#       clang: error: '-mstack-protector-guard=tls' is used without '-mstack-protector-guard-offset', and there is no default
#       clang: error: '-mstack-protector-guard=tls' is used without '-mstack-protector-guard-offset', and there is no default
#       make[4]: *** [scripts/Makefile.build:229: scripts/mod/empty.o] Error 1
#       make[4]: *** [scripts/Makefile.build:102: scripts/mod/devicetable-offsets.s] Error 1
#     
#     Mirror other architectures and add all '-mstack-protector-guard' flags
#     to KBUILD_CFLAGS atomically during stack_protector_prepare, which
#     resolves the issue and allows clang's implementation to fully work with
#     the kernel.
#     
#     Cc: stable@vger.kernel.org # 6.1+
#     Link: https://github.com/llvm/llvm-project/pull/110928 [1]
#     Reviewed-by: Keith Packard <keithp@keithp.com>
#     Tested-by: Keith Packard <keithp@keithp.com>
#     Signed-off-by: Nathan Chancellor <nathan@kernel.org>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://patch.msgid.link/20241009-powerpc-fix-stackprotector-test-clang-v2-2-12fb86b31857@kernel.org
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/sparc64-linux/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/sparc64-linux/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 bee08a9e6ab03caf14481d97b35a258400ffab8f
# make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_defconfig_sparc64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/sparc64-linux/bin/sparc64-linux-  defconfig
# < make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_defconfig_sparc64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/sparc64-linux/bin/sparc64-linux-  help
# make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_defconfig_sparc64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/sparc64-linux/bin/sparc64-linux-  olddefconfig
# make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_defconfig_sparc64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/sparc64-linux/bin/sparc64-linux-  
<stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp]
cc1: warning: unrecognized command line option '-Wno-shift-negative-value'
cc1: warning: unrecognized command line option '-Wno-stringop-overflow'
/kisskb/src/arch/sparc/vdso/vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes]
 __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts)
 ^
/kisskb/src/arch/sparc/vdso/vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes]
 __vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec *ts)
 ^
/kisskb/src/arch/sparc/vdso/vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes]
 __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
 ^
/kisskb/src/arch/sparc/vdso/vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes]
 __vdso_gettimeofday_stick(struct __kernel_old_timeval *tv, struct timezone *tz)
 ^
cc1: warning: unrecognized command line option '-Wno-shift-negative-value'
cc1: warning: unrecognized command line option '-Wno-stringop-overflow'
In file included from /kisskb/src/arch/sparc/vdso/vdso32/vclock_gettime.c:22:0:
/kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes]
 __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts)
 ^
/kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes]
 __vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec *ts)
 ^
/kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes]
 __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
 ^
/kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes]
 __vdso_gettimeofday_stick(struct __kernel_old_timeval *tv, struct timezone *tz)
 ^
cc1: warning: unrecognized command line option '-Wno-shift-negative-value'
cc1: warning: unrecognized command line option '-Wno-stringop-overflow'
/kisskb/src/kernel/fork.c: In function '__do_sys_clone3':
/kisskb/src/kernel/fork.c:3075:2: warning: #warning clone3() entry point is missing, please fix [-Wcpp]
 #warning clone3() entry point is missing, please fix
  ^
/kisskb/src/kernel/fork.c: At top level:
cc1: warning: unrecognized command line option '-Wno-shift-negative-value'
cc1: warning: unrecognized command line option '-Wno-stringop-overflow'
/kisskb/src/kernel/fork.c:3075:2: warning: #warning clone3() entry point is missing, please fix [-Wcpp]
 #warning clone3() entry point is missing, please fix
  ^
cc1: warning: unrecognized command line option '-Wno-shift-negative-value'
cc1: warning: unrecognized command line option '-Wno-stringop-overflow'
WARNING: modpost: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
Is "_mcount" prototyped in <asm/asm-prototypes.h>?
Completed OK
# rm -rf /kisskb/build/powerpc-next_defconfig_sparc64-gcc5
# Build took: 0:01:08.503154