Buildresult: powerpc-next/m68k-defconfig/m68k-gcc8 built on Jun 7 2021, 02:12

kisskb

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Status:	OK
Date/Time:	Jun 7 2021, 02:12
Duration:	0:01:12.668198
Builder:	ka4
Revision:	powerpc/barrier: Avoid collision with clang's __lwsync macro (`df85055f4421b6d147cca0ac6df8535392128775)`
Target:	powerpc-next/m68k-defconfig/m68k-gcc8
Branch:	powerpc-next
Compiler:	m68k-gcc8 (m68k-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	defconfig (download)
Log:	Download original Possible warnings (13) arch/m68k/mvme147/config.c:174:2: warning: #warning check me! [-Wcpp] #warning check me! arch/m68k/mvme16x/config.c:439:2: warning: #warning check me! [-Wcpp] #warning check me! drivers/i2c/busses/i2c-icy.c:126:24: warning: unused variable 'new_fwnode' [-Wunused-variable] drivers/net/ethernet/8390/lib8390.c:995:27: warning: '____alloc_ei_netdev' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:957:13: warning: '__ei_set_multicast_list' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:857:33: warning: '__ei_get_stats' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:512:13: warning: '__ei_poll' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:303:20: warning: '__ei_start_xmit' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:257:13: warning: '__ei_tx_timeout' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:233:12: warning: '__ei_close' defined but not used [-Wunused-function] drivers/net/ethernet/8390/lib8390.c:204:12: warning: '__ei_open' defined but not used [-Wunused-function] 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-8.1.0-nolibc/m68k-linux/bin/m68k-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-ld --version # < git log --format=%s --max-count=1 df85055f4421b6d147cca0ac6df8535392128775 # < make -s -j 120 ARCH=m68k O=/kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux- defconfig # < make -s -j 120 ARCH=m68k O=/kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux- help # make -s -j 120 ARCH=m68k O=/kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux- olddefconfig # make -s -j 120 ARCH=m68k O=/kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux- /kisskb/src/arch/m68k/mvme147/config.c: In function 'mvme147_hwclk': /kisskb/src/arch/m68k/mvme147/config.c:174:2: warning: #warning check me! [-Wcpp] #warning check me! ^~~~~~~ /kisskb/src/arch/m68k/mvme16x/config.c: In function 'mvme16x_hwclk': /kisskb/src/arch/m68k/mvme16x/config.c:439:2: warning: #warning check me! [-Wcpp] #warning check me! ^~~~~~~ /kisskb/src/drivers/i2c/busses/i2c-icy.c: In function 'icy_probe': /kisskb/src/drivers/i2c/busses/i2c-icy.c:126:24: warning: unused variable 'new_fwnode' [-Wunused-variable] struct fwnode_handle new_fwnode; ^~~~~~~~~~ In file included from /kisskb/src/drivers/net/ethernet/8390/xsurf100.c:48: /kisskb/src/drivers/net/ethernet/8390/lib8390.c:995:27: warning: '____alloc_ei_netdev' defined but not used [-Wunused-function] static struct net_device ____alloc_ei_netdev(int size) ^~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:957:13: warning: '__ei_set_multicast_list' defined but not used [-Wunused-function] static void __ei_set_multicast_list(struct net_device dev) ^~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:857:33: warning: '__ei_get_stats' defined but not used [-Wunused-function] static struct net_device_stats __ei_get_stats(struct net_device dev) ^~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:512:13: warning: '__ei_poll' defined but not used [-Wunused-function] static void __ei_poll(struct net_device dev) ^~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:303:20: warning: '__ei_start_xmit' defined but not used [-Wunused-function] static netdev_tx_t __ei_start_xmit(struct sk_buff skb, ^~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:257:13: warning: '__ei_tx_timeout' defined but not used [-Wunused-function] static void __ei_tx_timeout(struct net_device dev, unsigned int txqueue) ^~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:233:12: warning: '__ei_close' defined but not used [-Wunused-function] static int __ei_close(struct net_device dev) ^~~~~~~~~~ /kisskb/src/drivers/net/ethernet/8390/lib8390.c:204:12: warning: '__ei_open' defined but not used [-Wunused-function] static int __ei_open(struct net_device dev) ^~~~~~~~~ Completed OK # rm -rf /kisskb/build/powerpc-next_m68k-defconfig_m68k-gcc8 # Build took: 0:01:12.668198

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