Buildresult: powerpc-next/44x/eiger_defconfig/powerpc-gcc4.6 built on Oct 24 2019, 20:51

kisskb

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Status:	OK
Date/Time:	Oct 24 2019, 20:51
Duration:	0:00:19.723469
Builder:	ka4
Revision:	powerpc/pseries: Mark accumulate_stolen_time() as notrace (`2e839bed5f405e0d184bb6041df48270e8846033)`
Target:	powerpc-next/44x/eiger_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:	44x/eiger_defconfig (download)
Log:	Download original Possible warnings (3) include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify 2e839bed5f405e0d184bb6041df48270e8846033^{commit} 2e839bed5f405e0d184bb6041df48270e8846033 already have revision, skipping fetch # git checkout -q -f -B kisskb 2e839bed5f405e0d184bb6041df48270e8846033 # git clean -qxdf # < git log -1 # commit 2e839bed5f405e0d184bb6041df48270e8846033 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Sun Oct 13 21:23:51 2019 +1100 # # powerpc/pseries: Mark accumulate_stolen_time() as notrace # # accumulate_stolen_time() is called prior to interrupt state being # reconciled, which can trip the warning in arch_local_irq_restore(): # # WARNING: CPU: 5 PID: 1017 at arch/powerpc/kernel/irq.c:258 .arch_local_irq_restore+0x9c/0x130 # ... # NIP .arch_local_irq_restore+0x9c/0x130 # LR .rb_start_commit+0x38/0x80 # Call Trace: # .ring_buffer_lock_reserve+0xe4/0x620 # .trace_function+0x44/0x210 # .function_trace_call+0x148/0x170 # .ftrace_ops_no_ops+0x180/0x1d0 # ftrace_call+0x4/0x8 # .accumulate_stolen_time+0x1c/0xb0 # decrementer_common+0x124/0x160 # # For now just mark it as notrace. We may change the ordering to call it # after interrupt state has been reconciled, but that is a larger # change. # # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20191024055932.27940-1-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 2e839bed5f405e0d184bb6041df48270e8846033 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_44x_eiger_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 44x/eiger_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_44x_eiger_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /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:338:21: note: 'pdeo' was declared here /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' 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:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here Completed OK # rm -rf /kisskb/build/powerpc-next_44x_eiger_defconfig_powerpc-gcc4.6 # Build took: 0:00:19.723469

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