Buildresult: powerpc-next/powernv_defconfig+STRICT_RWX/powerpc-gcc5 built on Aug 20 2019, 20:26

kisskb

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Status:	OK
Date/Time:	Aug 20 2019, 20:26
Duration:	0:03:17.356383
Builder:	blade46
Revision:	powerpc/603: Fix handling of the DIRTY flag (`e8c42ba3ffd9708cc2fab3fb57deeb1604202e7e)`
Target:	powerpc-next/powernv_defconfig+STRICT_RWX/powerpc-gcc5
Branch:	powerpc-next
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	powernv_defconfig+STRICT_RWX (download)
Log:	Download original Possible warnings (1) WARNING: vmlinux.o(.text+0x2fd0): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel() Full Log # git rev-parse -q --verify e8c42ba3ffd9708cc2fab3fb57deeb1604202e7e^{commit} e8c42ba3ffd9708cc2fab3fb57deeb1604202e7e already have revision, skipping fetch # git checkout -q -f -B kisskb e8c42ba3ffd9708cc2fab3fb57deeb1604202e7e # git clean -qxdf # < git log -1 # commit e8c42ba3ffd9708cc2fab3fb57deeb1604202e7e # Author: Christophe Leroy <christophe.leroy@c-s.fr> # Date: Mon Aug 19 06:40:25 2019 +0000 # # powerpc/603: Fix handling of the DIRTY flag # # If a page is already mapped RW without the DIRTY flag, the DIRTY # flag is never set and a TLB store miss exception is taken forever. # # This is easily reproduced with the following app: # # void main(void) # { # volatile char ptr = mmap(0, 4096, PROT_READ \| PROT_WRITE, MAP_SHARED \| MAP_ANONYMOUS, -1, 0); # # ptr = *ptr; # } # # When DIRTY flag is not set, bail out of TLB miss handler and take # a minor page fault which will set the DIRTY flag. # # Fixes: f8b58c64eaef ("powerpc/603: let's handle PAGE_DIRTY directly") # Cc: stable@vger.kernel.org # v5.1+ # Reported-by: Doug Crawford <doug.crawford@intelight-its.com> # Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/80432f71194d7ee75b2f5043ecf1501cf1cca1f3.1566196646.git.christophe.leroy@c-s.fr # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 e8c42ba3ffd9708cc2fab3fb57deeb1604202e7e # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_powernv_defconfig+STRICT_RWX_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- powernv_defconfig # Added to kconfig CONFIG_RELOCATABLE=n # Added to kconfig CONFIG_STRICT_KERNEL_RWX=y # yes \n \| make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_powernv_defconfig+STRICT_RWX_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_powernv_defconfig+STRICT_RWX_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- WARNING: vmlinux.o(.text+0x2fd0): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel() The function start_here_common() references the function __init start_kernel(). This is often because start_here_common lacks a __init annotation or the annotation of start_kernel is wrong. Completed OK # rm -rf /kisskb/build/powerpc-next_powernv_defconfig+STRICT_RWX_ppc64le-gcc5 # Build took: 0:03:17.356383

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