Buildresult: powerpc-next/i386-allnoconfig/i386-gcc4.6 built on May 2 2019, 19:49
kisskb
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Status:
OK
Date/Time:
May 2 2019, 19:49
Duration:
0:00:16.601915
Builder:
ka4
Revision:
powerpc/64: Don't trace code that runs with the soft irq mask unreconciled (
ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d)
Target:
powerpc-next/i386-allnoconfig/i386-gcc4.6
Branch:
powerpc-next
Compiler:
i386-gcc4.6
(i386-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:
allnoconfig
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Log:
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Possible warnings (3)
warning: There are too many unreachable loose objects; run 'git prune' to remove them. kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.c:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d^{commit} # git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test error: The last gc run reported the following. Please correct the root cause and remove .git/gc.log. Automatic cleanup will not be performed until the file is removed. warning: There are too many unreachable loose objects; run 'git prune' to remove them. # git rev-parse -q --verify ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d^{commit} ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d # git checkout -q -f -B kisskb ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d # git clean -qxdf # < git log -1 # commit ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Thu May 2 15:21:07 2019 +1000 # # powerpc/64: Don't trace code that runs with the soft irq mask unreconciled # # "Reconciling" in terms of interrupt handling, is to bring the soft irq # mask state in to synch with the hardware, after an interrupt causes # MSR[EE] to be cleared (while the soft mask may be enabled, and hard # irqs not marked disabled). # # General kernel code should not be called while unreconciled, because # local_irq_disable, etc. manipulations can cause surprising irq traces, # and it's fragile because the soft irq code does not really expect to # be called in this situation. # # When exiting from an interrupt, MSR[EE] is cleared to prevent races, # but soft irq state is enabled for the returned-to context, so this is # now an unreconciled state. restore_math is called in this state, and # that can be ftraced, and the ftrace subsystem disables local irqs. # # Mark restore_math and its callees as notrace. Restore a sanity check # in the soft irq code that had to be disabled for this case, by commit # 4da1f79227ad4 ("powerpc/64: Disable irq restore warning for now"). # # Signed-off-by: Nicholas Piggin <npiggin@gmail.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-ld --version # < git log --format=%s --max-count=1 ae02efbc3fcbabd9723c31c59db0cc4ce75ee22d # < make -s -j 40 ARCH=i386 O=/kisskb/build/powerpc-next_i386-allnoconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- allnoconfig # make -s -j 40 ARCH=i386 O=/kisskb/build/powerpc-next_i386-allnoconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/powerpc-next_i386-allnoconfig_i386 # Build took: 0:00:16.601915
© Michael Ellerman 2006-2018.