Buildresult: powerpc-fixes/ppc64_defconfig+NO_KVM/powerpc-gcc5 built on Aug 2 2019, 02:49

kisskb

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Status:	OK
Date/Time:	Aug 2 2019, 02:49
Duration:	0:03:15.888301
Builder:	ka1
Revision:	selftests/powerpc: Fix build failures with GCC 9 (`f9346b739bcf2de0fad889708cdece04bacbc604)`
Target:	powerpc-fixes/ppc64_defconfig+NO_KVM/powerpc-gcc5
Branch:	powerpc-fixes
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	ppc64_defconfig+NO_KVM (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 f9346b739bcf2de0fad889708cdece04bacbc604^{commit} f9346b739bcf2de0fad889708cdece04bacbc604 already have revision, skipping fetch # git checkout -q -f -B kisskb f9346b739bcf2de0fad889708cdece04bacbc604 # git clean -qxdf # < git log -1 # commit f9346b739bcf2de0fad889708cdece04bacbc604 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Thu Aug 1 16:44:02 2019 +1000 # # selftests/powerpc: Fix build failures with GCC 9 # # GCC 9 fails to build some of the ptrace TM tests, with errors such as: # # ptrace-tm-spd-vsx.c: In function 'tm_spd_vsx': # ptrace-tm-spd-vsx.c:51:2: error: listing the stack pointer register 'r1' in a clobber list is deprecated [-Werror=deprecated] # 51 \| asm __volatile__( # \| ^~~ # ptrace-tm-spd-vsx.c:51:2: note: the value of the stack pointer after an 'asm' statement must be the same as it was before the statement # # Which is probably fair enough. # # Some of these inline asm blocks are doing quite a lot and are probably # pushing the boundaries of what's sane to do with inline asm, but they # shouldn't actually be returning with r1 modified. # # So drop r1 from the clobbers for now, we should probably rewrite them # to be real asm functions at some point. # # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 f9346b739bcf2de0fad889708cdece04bacbc604 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64_defconfig+NO_KVM_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc64_defconfig # Added to kconfig CONFIG_KVM_BOOK3S_64=n # Added to kconfig CONFIG_KVM=n # yes \n \| make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64_defconfig+NO_KVM_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64_defconfig+NO_KVM_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-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:1651:6: note: 'oldval' was declared here int oldval, ret; ^ Completed OK # rm -rf /kisskb/build/powerpc-fixes_ppc64_defconfig+NO_KVM_powerpc-gcc5 # Build took: 0:03:15.888301

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