Buildresult: powerpc-fixes/x86_64-allnoconfig/x86_64-gcc4.6 built on Dec 23 2019, 22:24

kisskb

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Status:	OK
Date/Time:	Dec 23 2019, 22:24
Duration:	0:00:33.775981
Builder:	ka3
Revision:	powerpc/mm: Mark get_slice_psize() & slice_addr_is_low() as notrace (`91a063c956084fb21cf2523bce6892514e3f1799)`
Target:	powerpc-fixes/x86_64-allnoconfig/x86_64-gcc4.6
Branch:	powerpc-fixes
Compiler:	x86_64-gcc4.6 (x86_64-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	allnoconfig (download)
Log:	Download original Possible warnings (3) kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.c:665:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify 91a063c956084fb21cf2523bce6892514e3f1799^{commit} # git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git fixes-test # git rev-parse -q --verify 91a063c956084fb21cf2523bce6892514e3f1799^{commit} 91a063c956084fb21cf2523bce6892514e3f1799 # git checkout -q -f -B kisskb 91a063c956084fb21cf2523bce6892514e3f1799 # git clean -qxdf # < git log -1 # commit 91a063c956084fb21cf2523bce6892514e3f1799 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Sat Dec 21 14:16:54 2019 +1100 # # powerpc/mm: Mark get_slice_psize() & slice_addr_is_low() as notrace # # These slice routines are called from the SLB miss handler, which can # lead to warnings from the IRQ code, because we have not reconciled the # IRQ state properly: # # WARNING: CPU: 72 PID: 30150 at arch/powerpc/kernel/irq.c:258 arch_local_irq_restore.part.0+0xcc/0x100 # Modules linked in: # CPU: 72 PID: 30150 Comm: ftracetest Not tainted 5.5.0-rc2-gcc9x-g7e0165b2f1a9 #1 # NIP: c00000000001d83c LR: c00000000029ab90 CTR: c00000000026cf90 # REGS: c0000007eee3b960 TRAP: 0700 Not tainted (5.5.0-rc2-gcc9x-g7e0165b2f1a9) # MSR: 8000000000021033 <SF,ME,IR,DR,RI,LE> CR: 22242844 XER: 20000000 # CFAR: c00000000001d780 IRQMASK: 0 # ... # NIP arch_local_irq_restore.part.0+0xcc/0x100 # LR trace_graph_entry+0x270/0x340 # Call Trace: # trace_graph_entry+0x254/0x340 (unreliable) # function_graph_enter+0xe4/0x1a0 # prepare_ftrace_return+0xa0/0x130 # ftrace_graph_caller+0x44/0x94 # (get_slice_psize()) # slb_allocate_user+0x7c/0x100 # do_slb_fault+0xf8/0x300 # instruction_access_slb_common+0x140/0x180 # # Fixes: 48e7b7695745 ("powerpc/64s/hash: Convert SLB miss handlers to C") # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20191221121337.4894-1-mpe@ellerman.id.au # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 91a063c956084fb21cf2523bce6892514e3f1799 # < make -s -j 80 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- allnoconfig # make -s -j 80 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/tools/objtool /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/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' 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:665:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6 # Build took: 0:00:33.775981

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