Buildresult: powerpc-fixes/pmac32_defconfig+KVM/powerpc-gcc4.6 built on Mar 14 2018, 23:35
kisskb
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Status:
Failed
Date/Time:
Mar 14 2018, 23:35
Duration:
0:00:50.356601
Builder:
ka2
Revision:
powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features (
e4b79900222b8cccd4da4a7a89581f0e1b764ed2)
Target:
powerpc-fixes/pmac32_defconfig+KVM/powerpc-gcc4.6
Branch:
powerpc-fixes
Compiler:
powerpc-gcc4.6
(powerpc-linux-gcc (GCC) 4.6.3)
Config:
pmac32_defconfig+KVM
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download
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Log:
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Possible errors
arch/powerpc/kvm/powerpc.c:1361:2: error: 'emulated' may be used uninitialized in this function [-Werror=uninitialized] cc1: all warnings being treated as errors make[2]: *** [arch/powerpc/kvm/powerpc.o] Error 1 make[1]: *** [arch/powerpc/kvm] Error 2 make: *** [sub-make] Error 2
Possible warnings (8)
kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/reservation.c:225:6: warning: 'k' may be used uninitialized in this function [-Wuninitialized] include/sound/control.h:220:2: warning: 'speaker_vol' may be used uninitialized in this function [-Wuninitialized] fs/nfsd/nfs4xdr.c:2043:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1820:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1730:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/net/wireless/broadcom/b43/phy_n.c:202:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify e4b79900222b8cccd4da4a7a89581f0e1b764ed2^{commit} e4b79900222b8cccd4da4a7a89581f0e1b764ed2 already have revision, skipping fetch # git checkout -q -f -B kisskb e4b79900222b8cccd4da4a7a89581f0e1b764ed2 # git clean -qxdf # < git log -1 # commit e4b79900222b8cccd4da4a7a89581f0e1b764ed2 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Tue Mar 13 15:58:11 2018 +1100 # # powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features # # When running virtualised the powerpc kernel is able to run the system # in "compat mode" - which means the kernel and hardware are pretending # to userspace that the CPU is an older version than it actually is. # # AT_BASE_PLATFORM is an AUXV entry that we export to userspace for use # when we're running in that mode, which tells userspace the "platform" # string for the real CPU version, as opposed to the faked version. # # Although we don't support compat mode when using DT CPU features, and # arguably don't need to set AT_BASE_PLATFORM, the existing cputable # based code always sets it even when we're running bare metal. That # means the lack of AT_BASE_PLATFORM is a user-visible artifact of the # fact that the kernel is using DT CPU features, which we don't want. # # So set it in the DT CPU features code also. # # This results in eg: # $ LD_SHOW_AUXV=1 /bin/true | grep "AT_.*PLATFORM" # AT_PLATFORM: power9 # AT_BASE_PLATFORM:power9 # # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Reviewed-by: Nicholas Piggin <npiggin@gmail.com> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 e4b79900222b8cccd4da4a7a89581f0e1b764ed2 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pmac32_defconfig+KVM_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- pmac32_defconfig # Added to kconfig CONFIG_VIRTUALIZATION=y # Added to kconfig CONFIG_KVM=y # Added to kconfig CONFIG_KVM_BOOK3S_32=m # Added to kconfig # yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pmac32_defconfig+KVM_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- oldconfig yes: standard output: Broken pipe yes: write error # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pmac32_defconfig+KVM_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/arch/powerpc/kvm/powerpc.c: In function 'kvmppc_handle_load128_by2x64': /kisskb/src/arch/powerpc/kvm/powerpc.c:1361:2: error: 'emulated' may be used uninitialized in this function [-Werror=uninitialized] cc1: all warnings being treated as errors /kisskb/src/scripts/Makefile.build:316: recipe for target 'arch/powerpc/kvm/powerpc.o' failed make[2]: *** [arch/powerpc/kvm/powerpc.o] Error 1 make[2]: *** Waiting for unfinished jobs.... /kisskb/src/Makefile:1048: recipe for target 'arch/powerpc/kvm' failed make[1]: *** [arch/powerpc/kvm] Error 2 make[1]: *** Waiting for unfinished jobs.... /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:225:6: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:220:2: warning: 'speaker_vol' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2043:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1820:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1730:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7': /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c:202:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized] Makefile:146: recipe for target 'sub-make' failed make: *** [sub-make] Error 2 Command 'make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pmac32_defconfig+KVM_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-fixes_pmac32_defconfig+KVM_powerpc # Build took: 0:00:50.356601
© Michael Ellerman 2006-2018.