Buildresult: powerpc-next/ps3_defconfig/powerpc-gcc4.6 built on Feb 27 2019, 01:07
kisskb
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Status:
OK
Date/Time:
Feb 27 2019, 01:07
Duration:
0:00:53.431669
Builder:
ka4
Revision:
powerpc/xmon: Fix opcode being uninitialized in print_insn_powerpc (
e7140639b1de65bba435a6bd772d134901141f86)
Target:
powerpc-next/ps3_defconfig/powerpc-gcc4.6
Branch:
powerpc-next
Compiler:
powerpc-gcc4.6
(powerpc-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:
ps3_defconfig
(
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Log:
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Possible warnings (14)
kernel/rcu/srcutree.c:152:32: warning: 'levelspread[<Ue960>]' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] ipc/shm.c:1686:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] net/bluetooth/hidp/core.c:1381:18: warning: 'session' may be used uninitialized in this function [-Wuninitialized] lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] include/linux/skbuff.h:1338:6: warning: 'extra_uref' may be used uninitialized in this function [-Wuninitialized] include/linux/skbuff.h:1338:6: warning: 'extra_uref' may be used uninitialized in this function [-Wuninitialized] lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] net/core/dev.c:3405:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] net/mac80211/tx.c:2502:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] net/mac80211/mlme.c:1522:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify e7140639b1de65bba435a6bd772d134901141f86^{commit} e7140639b1de65bba435a6bd772d134901141f86 already have revision, skipping fetch # git checkout -q -f -B kisskb e7140639b1de65bba435a6bd772d134901141f86 # git clean -qxdf # < git log -1 # commit e7140639b1de65bba435a6bd772d134901141f86 # Author: Nathan Chancellor <natechancellor@gmail.com> # Date: Mon Feb 25 22:38:55 2019 -0700 # # powerpc/xmon: Fix opcode being uninitialized in print_insn_powerpc # # When building with -Wsometimes-uninitialized, Clang warns: # # arch/powerpc/xmon/ppc-dis.c:157:7: warning: variable 'opcode' is used # uninitialized whenever 'if' condition is false # [-Wsometimes-uninitialized] # if (cpu_has_feature(CPU_FTRS_POWER9)) # ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # arch/powerpc/xmon/ppc-dis.c:167:7: note: uninitialized use occurs here # if (opcode == NULL) # ^~~~~~ # arch/powerpc/xmon/ppc-dis.c:157:3: note: remove the 'if' if its # condition is always true # if (cpu_has_feature(CPU_FTRS_POWER9)) # ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # arch/powerpc/xmon/ppc-dis.c:132:38: note: initialize the variable # 'opcode' to silence this warning # const struct powerpc_opcode *opcode; # ^ # = NULL # 1 warning generated. # # This warning seems to make no sense on the surface because opcode is set # to NULL right below this statement. However, there is a comma instead of # semicolon to end the dialect assignment, meaning that the opcode # assignment only happens in the if statement. Properly terminate that # line so that Clang no longer warns. # # Fixes: 5b102782c7f4 ("powerpc/xmon: Enable disassembly files (compilation changes)") # Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> # Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 e7140639b1de65bba435a6bd772d134901141f86 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ps3_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ps3_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ps3_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:152:32: warning: 'levelspread[<Ue960>]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:100:6: note: 'levelspread[<Ue960>]' was declared here /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1686:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:339:21: note: 'pdeo' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bluetooth/hidp/core.c: In function 'hidp_connection_add': /kisskb/src/net/bluetooth/hidp/core.c:1381:18: warning: 'session' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ipv6/ip6_output.c: In function '__ip6_append_data.isra.35': /kisskb/src/include/linux/skbuff.h:1338:6: warning: 'extra_uref' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ipv6/ip6_output.c:1270:14: note: 'extra_uref' was declared here /kisskb/src/net/ipv4/ip_output.c: In function '__ip_append_data.isra.41': /kisskb/src/include/linux/skbuff.h:1338:6: warning: 'extra_uref' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ipv4/ip_output.c:885:14: note: 'extra_uref' was declared here /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:229:28: note: 'next' was declared here /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3405:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/tx.c: In function 'ieee80211_build_hdr': /kisskb/src/net/mac80211/tx.c:2502:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon': /kisskb/src/net/mac80211/mlme.c:1522:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c:1479:6: note: 'pwr_level_cisco' was declared here Completed OK # rm -rf /kisskb/build/powerpc-next_ps3_defconfig_powerpc-gcc4.6 # Build took: 0:00:53.431669
© Michael Ellerman 2006-2018.