Buildresult: powerpc-fixes/ia64-defconfig/ia64-gcc4.9 built on May 22 2020, 13:17

kisskb

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Status:	OK
Date/Time:	May 22 2020, 13:17
Duration:	0:03:17.373845
Builder:	ka2
Revision:	powerpc/64s: Disable STRICT_KERNEL_RWX (`8659a0e0efdd975c73355dbc033f79ba3b31e82c)`
Target:	powerpc-fixes/ia64-defconfig/ia64-gcc4.9
Branch:	powerpc-fixes
Compiler:	ia64-gcc4.9 (ia64-linux-gcc (GCC) 4.9.4 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	defconfig (download)
Log:	Download original Possible warnings (6) <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value] arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value] drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: missing braces around initializer [-Wmissing-braces] drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: (near initialization for 'desc.ident') [-Wmissing-braces] Full Log # git rev-parse -q --verify 8659a0e0efdd975c73355dbc033f79ba3b31e82c^{commit} 8659a0e0efdd975c73355dbc033f79ba3b31e82c already have revision, skipping fetch # git checkout -q -f -B kisskb 8659a0e0efdd975c73355dbc033f79ba3b31e82c # git clean -qxdf # < git log -1 # commit 8659a0e0efdd975c73355dbc033f79ba3b31e82c # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Wed May 20 23:36:05 2020 +1000 # # powerpc/64s: Disable STRICT_KERNEL_RWX # # Several strange crashes have been eventually traced back to # STRICT_KERNEL_RWX and its interaction with code patching. # # Various paths in our ftrace, kprobes and other patching code need to # be hardened against patching failures, otherwise we can end up running # with partially/incorrectly patched ftrace paths, kprobes or jump # labels, which can then cause strange crashes. # # Although fixes for those are in development, they're not -rc material. # # There also seem to be problems with the underlying strict RWX logic, # which needs further debugging. # # So for now disable STRICT_KERNEL_RWX on 64-bit to prevent people from # enabling the option and tripping over the bugs. # # Fixes: 1e0fc9d1eb2b ("powerpc/Kconfig: Enable STRICT_KERNEL_RWX for some configs") # Cc: stable@vger.kernel.org # v4.13+ # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20200520133605.972649-1-mpe@ellerman.id.au # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-ld --version # < git log --format=%s --max-count=1 8659a0e0efdd975c73355dbc033f79ba3b31e82c # < make -s -j 8 ARCH=ia64 O=/kisskb/build/powerpc-fixes_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux- defconfig # < make -s -j 8 ARCH=ia64 O=/kisskb/build/powerpc-fixes_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux- help # make -s -j 8 ARCH=ia64 O=/kisskb/build/powerpc-fixes_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux- olddefconfig # make -s -j 8 ARCH=ia64 O=/kisskb/build/powerpc-fixes_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux- <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ^ /kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here int oldval, ret; ^ In file included from /kisskb/src/arch/ia64/include/uapi/asm/intrinsics.h:22:0, from /kisskb/src/arch/ia64/include/asm/intrinsics.h:11, from /kisskb/src/arch/ia64/include/asm/bitops.h:19, from /kisskb/src/include/linux/bitops.h:29, from /kisskb/src/include/linux/kernel.h:12, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/preempt.h:11, from /kisskb/src/include/linux/spinlock.h:51, from /kisskb/src/include/linux/seqlock.h:36, from /kisskb/src/include/linux/time.h:6, from /kisskb/src/fs/nfs/read.c:11: /kisskb/src/fs/nfs/read.c: In function 'nfs_read_completion': /kisskb/src/arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value] ((__typeof__((ptr))) __xchg((unsigned long) (x), (ptr), sizeof((ptr)))) ^ /kisskb/src/fs/nfs/read.c:196:5: note: in expansion of macro 'xchg' xchg(&nfs_req_openctx(req)->error, error); ^ /kisskb/src/fs/nfs/read.c: In function 'nfs_readpage': /kisskb/src/arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value] ((__typeof__((ptr))) __xchg((unsigned long) (x), (ptr), sizeof((ptr)))) ^ /kisskb/src/fs/nfs/read.c:353:2: note: in expansion of macro 'xchg' xchg(&ctx->error, 0); ^ /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_dsc_aux_for_port': /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: missing braces around initializer [-Wmissing-braces] struct drm_dp_desc desc = { 0 }; ^ /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: (near initialization for 'desc.ident') [-Wmissing-braces] No errors detected in 22168 functions. Completed OK # rm -rf /kisskb/build/powerpc-fixes_ia64-defconfig_ia64-gcc4.9 # Build took: 0:03:17.373845

© Michael Ellerman 2006-2018.