Buildresult: chleroy/mips-defconfig/mips-gcc4.9 built on Apr 17 2020, 01:50

kisskb

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Status:	OK
Date/Time:	Apr 17 2020, 01:50
Duration:	0:02:04.981186
Builder:	blade4b
Revision:	powerpc/vdso: Switch VDSO to generic C implementation. (`7fd5004bbade1bf77fbb7e73b2b5a9eda1e892ea)`
Target:	chleroy/mips-defconfig/mips-gcc4.9
Branch:	chleroy
Compiler:	mips-gcc4.9 (mips-linux-gcc (GCC) 4.9.4 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	defconfig (download)
Log:	Download original Possible warnings (1) kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] Full Log # git rev-parse -q --verify 7fd5004bbade1bf77fbb7e73b2b5a9eda1e892ea^{commit} 7fd5004bbade1bf77fbb7e73b2b5a9eda1e892ea already have revision, skipping fetch # git checkout -q -f -B kisskb 7fd5004bbade1bf77fbb7e73b2b5a9eda1e892ea # git clean -qxdf # < git log -1 # commit 7fd5004bbade1bf77fbb7e73b2b5a9eda1e892ea # Author: Christophe Leroy <christophe.leroy@c-s.fr> # Date: Sat Jan 11 19:20:49 2020 +0000 # # powerpc/vdso: Switch VDSO to generic C implementation. # # For VDSO32 on PPC64, we create a fake 32 bits config, on the same # principle as MIPS architecture, in order to get the correct parts of # the different asm header files. # # With the C VDSO, the performance is slightly lower, but it is worth # it as it will ease maintenance and evolution, and also brings clocks # that are not supported with the ASM VDSO. # # On an 8xx at 132 MHz, vdsotest with the ASM VDSO: # gettimeofday: vdso: 828 nsec/call # clock-getres-realtime-coarse: vdso: 391 nsec/call # clock-gettime-realtime-coarse: vdso: 614 nsec/call # clock-getres-realtime: vdso: 460 nsec/call # clock-gettime-realtime: vdso: 876 nsec/call # clock-getres-monotonic-coarse: vdso: 399 nsec/call # clock-gettime-monotonic-coarse: vdso: 691 nsec/call # clock-getres-monotonic: vdso: 460 nsec/call # clock-gettime-monotonic: vdso: 1026 nsec/call # # On an 8xx at 132 MHz, vdsotest with the C VDSO: # gettimeofday: vdso: 955 nsec/call # clock-getres-realtime-coarse: vdso: 545 nsec/call # clock-gettime-realtime-coarse: vdso: 592 nsec/call # clock-getres-realtime: vdso: 545 nsec/call # clock-gettime-realtime: vdso: 941 nsec/call # clock-getres-monotonic-coarse: vdso: 545 nsec/call # clock-gettime-monotonic-coarse: vdso: 591 nsec/call # clock-getres-monotonic: vdso: 545 nsec/call # clock-gettime-monotonic: vdso: 940 nsec/call # # It is even better for gettime with monotonic clocks. # # Unsupported clocks with ASM VDSO: # clock-gettime-boottime: vdso: 3851 nsec/call # clock-gettime-tai: vdso: 3852 nsec/call # clock-gettime-monotonic-raw: vdso: 3396 nsec/call # # Same clocks with C VDSO: # clock-gettime-tai: vdso: 941 nsec/call # clock-gettime-monotonic-raw: vdso: 1001 nsec/call # clock-gettime-monotonic-coarse: vdso: 591 nsec/call # # On an 8321E at 333 MHz, vdsotest with the ASM VDSO: # gettimeofday: vdso: 220 nsec/call # clock-getres-realtime-coarse: vdso: 102 nsec/call # clock-gettime-realtime-coarse: vdso: 178 nsec/call # clock-getres-realtime: vdso: 129 nsec/call # clock-gettime-realtime: vdso: 235 nsec/call # clock-getres-monotonic-coarse: vdso: 105 nsec/call # clock-gettime-monotonic-coarse: vdso: 208 nsec/call # clock-getres-monotonic: vdso: 129 nsec/call # clock-gettime-monotonic: vdso: 274 nsec/call # # On an 8321E at 333 MHz, vdsotest with the C VDSO: # gettimeofday: vdso: 272 nsec/call # clock-getres-realtime-coarse: vdso: 160 nsec/call # clock-gettime-realtime-coarse: vdso: 184 nsec/call # clock-getres-realtime: vdso: 166 nsec/call # clock-gettime-realtime: vdso: 281 nsec/call # clock-getres-monotonic-coarse: vdso: 160 nsec/call # clock-gettime-monotonic-coarse: vdso: 184 nsec/call # clock-getres-monotonic: vdso: 169 nsec/call # clock-gettime-monotonic: vdso: 275 nsec/call # # Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> # --- # v7: # - Split out preparatory changes in a new preceding patch # - Added -fasynchronous-unwind-tables to CC flags. # # v6: # - Added missing prototypes in asm/vdso/gettimeofday.h for __c_kernel_ functions. # - Using STACK_FRAME_OVERHEAD instead of INT_FRAME_SIZE # - Rebased on powerpc/merge as of 7 Apr 2020 # - Fixed build failure with gcc 9 # - Added a patch to create asm/vdso/processor.h and more cpu_relax() in it # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux-ld --version # < git log --format=%s --max-count=1 7fd5004bbade1bf77fbb7e73b2b5a9eda1e892ea # < make -s -j 24 ARCH=mips O=/kisskb/build/chleroy_mips-defconfig_mips-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux- defconfig # < make -s -j 24 ARCH=mips O=/kisskb/build/chleroy_mips-defconfig_mips-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux- help # make -s -j 24 ARCH=mips O=/kisskb/build/chleroy_mips-defconfig_mips-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux- olddefconfig # make -s -j 24 ARCH=mips O=/kisskb/build/chleroy_mips-defconfig_mips-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux- /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ^ /kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here int oldval, ret; ^ FIT description: Linux 5.7.0-rc1-g7fd5004bbade Created: Fri Apr 17 01:52:29 2020 Image 0 (kernel@0) Description: Linux 5.7.0-rc1-g7fd5004bbade Created: Fri Apr 17 01:52:29 2020 Type: Kernel Image Compression: gzip compressed Data Size: 4947160 Bytes = 4831.21 KiB = 4.72 MiB Architecture: MIPS OS: Linux Load Address: 0x80100000 Entry Point: 0x80915530 Hash algo: sha1 Hash value: 4fcec3f34b40b3f07993c7b7d680e03714f8a6d3 Image 1 (fdt@boston) Description: img,boston Device Tree Created: Fri Apr 17 01:52:29 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 3793 Bytes = 3.70 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 4799f50d688573234da6e9d7701234d394759ef4 Image 2 (fdt@ni169445) Description: NI 169445 device tree Created: Fri Apr 17 01:52:29 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 1871 Bytes = 1.83 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 51b89b31605ee62038c8468c429af091dfc75ec7 Image 3 (fdt@ocelot_pcb123) Description: MSCC Ocelot PCB123 Device Tree Created: Fri Apr 17 01:52:29 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 4639 Bytes = 4.53 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 018897896b42c41c943aca35a20e4300dba250c8 Image 4 (fdt@ocelot_pcb120) Description: MSCC Ocelot PCB120 Device Tree Created: Fri Apr 17 01:52:29 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 5198 Bytes = 5.08 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 36c7bd0bd79cfc2f7dd6acda6c7996294f4967e6 Image 5 (fdt@xilfpga) Description: MIPSfpga (xilfpga) Device Tree Created: Fri Apr 17 01:52:29 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 2708 Bytes = 2.64 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 63d058b780f65e22da30f0a183433765f1807f1d Default Configuration: 'conf@default' Configuration 0 (conf@default) Description: Generic Linux kernel Kernel: kernel@0 Configuration 1 (conf@boston) Description: Boston Linux kernel Kernel: kernel@0 FDT: fdt@boston Configuration 2 (conf@ni169445) Description: NI 169445 Linux Kernel Kernel: kernel@0 FDT: fdt@ni169445 Configuration 3 (conf@ocelot_pcb123) Description: Ocelot Linux kernel Kernel: kernel@0 FDT: fdt@ocelot_pcb123 Configuration 4 (conf@ocelot_pcb120) Description: Ocelot Linux kernel Kernel: kernel@0 FDT: fdt@ocelot_pcb120 Configuration 5 (conf@xilfpga) Description: MIPSfpga Linux kernel Kernel: kernel@0 FDT: fdt@xilfpga Completed OK # rm -rf /kisskb/build/chleroy_mips-defconfig_mips-gcc4.9 # Build took: 0:02:04.981186

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