Buildresult: powerpc-fixes/arm64-defconfig/arm64-gcc5 built on Dec 23 2019, 22:52

kisskb

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Status:	OK
Date/Time:	Dec 23 2019, 22:52
Duration:	0:05:13.617326
Builder:	ka1
Revision:	powerpc/mm: Mark get_slice_psize() & slice_addr_is_low() as notrace (`91a063c956084fb21cf2523bce6892514e3f1799)`
Target:	powerpc-fixes/arm64-defconfig/arm64-gcc5
Branch:	powerpc-fixes
Compiler:	arm64-gcc5 (aarch64-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0 / GNU ld (GNU Binutils) 2.25.1)
Config:	defconfig (download)
Log:	Download original Possible warnings (2) drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] Full Log # git rev-parse -q --verify 91a063c956084fb21cf2523bce6892514e3f1799^{commit} 91a063c956084fb21cf2523bce6892514e3f1799 already have revision, skipping fetch # 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/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 91a063c956084fb21cf2523bce6892514e3f1799 # < make -s -j 48 ARCH=arm64 O=/kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- defconfig # make -s -j 48 ARCH=arm64 O=/kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:38: LSE atomics not supported by binutils /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] pd->msg->buf[real_pos] = data; ^ /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here unsigned char data; ^ In file included from /kisskb/src/include/linux/rwsem.h:16:0, from /kisskb/src/include/linux/notifier.h:15, from /kisskb/src/include/linux/clk.h:14, from /kisskb/src/drivers/tty/serial/sh-sci.c:24: /kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit': /kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] _raw_spin_unlock_irqrestore(lock, flags); \ ^ /kisskb/src/drivers/tty/serial/sh-sci.c:1352:16: note: 'flags' was declared here unsigned long flags; ^ Completed OK # rm -rf /kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 # Build took: 0:05:13.617326

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