Buildresult: powerpc-fixes/arm64-defconfig/arm64-gcc5 built on Apr 8 2019, 23:32
kisskb
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Status:
OK
Date/Time:
Apr 8 2019, 23:32
Duration:
0:04:06.780140
Builder:
ka3
Revision:
powerpc/64s/radix: Fix radix segment exception handling (
7100e8704b61247649c50551b965e71d168df30b)
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
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Log:
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Possible warnings (4)
net/sunrpc/xprtsock.c:529:9: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] net/sunrpc/xprtsock.c:525:10: warning: 'read' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] include/linux/spinlock.h:279:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized]
Full Log
# git rev-parse -q --verify 7100e8704b61247649c50551b965e71d168df30b^{commit} 7100e8704b61247649c50551b965e71d168df30b already have revision, skipping fetch # git checkout -q -f -B kisskb 7100e8704b61247649c50551b965e71d168df30b # git clean -qxdf # < git log -1 # commit 7100e8704b61247649c50551b965e71d168df30b # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Fri Mar 29 17:42:57 2019 +1000 # # powerpc/64s/radix: Fix radix segment exception handling # # Commit 48e7b76957 ("powerpc/64s/hash: Convert SLB miss handlers to C") # broke the radix-mode segment exception handler. In radix mode, this is # exception is not an SLB miss, rather it signals that the EA is outside # the range translated by any page table. # # The commit lost the radix feature alternate code patch, which can # cause faults to some EAs to kernel BUG at arch/powerpc/mm/slb.c:639! # # The original radix code would send faults to slb_miss_large_addr, # which would end up faulting due to slb_addr_limit being 0. This patch # sends radix directly to do_bad_slb_fault, which is a bit clearer. # # Fixes: 48e7b7695745 ("powerpc/64s/hash: Convert SLB miss handlers to C") # Cc: stable@vger.kernel.org # v4.20+ # Reported-by: Anton Blanchard <anton@samba.org> # Signed-off-by: Nicholas Piggin <npiggin@gmail.com> # Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Signed-off-by: Michael Ellerman <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 7100e8704b61247649c50551b965e71d168df30b # < make -s -j 80 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 80 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:40: LSE atomics not supported by binutils /kisskb/src/net/sunrpc/xprtsock.c: In function 'xs_read_stream_request.constprop': /kisskb/src/net/sunrpc/xprtsock.c:529:9: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] return ret < 0 ? ret : read; ^ /kisskb/src/net/sunrpc/xprtsock.c:525:10: warning: 'read' may be used uninitialized in this function [-Wmaybe-uninitialized] return read; ^ /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:17, 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:279:3: 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:1363:16: note: 'flags' was declared here unsigned long flags; ^ Completed OK # rm -rf /kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 # Build took: 0:04:06.780140
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