Buildresult: powerpc-fixes/ia64-defconfig/ia64-gcc4.9 built on Jun 26 2020, 08:09

kisskb

Revisions | Branches | Compilers | Configs | Build Results | Build Failures |

Status:	OK
Date/Time:	Jun 26 2020, 08:09
Duration:	0:02:20.182738
Builder:	ka2
Revision:	powerpc/kvm/book3s64: Fix kernel crash with nested kvm & DEBUG_VIRTUAL (`c1ed1754f271f6b7acb1bfdc8cfb62220fbed423)`
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 (3) <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] 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] Full Log # git rev-parse -q --verify c1ed1754f271f6b7acb1bfdc8cfb62220fbed423^{commit} c1ed1754f271f6b7acb1bfdc8cfb62220fbed423 already have revision, skipping fetch # git checkout -q -f -B kisskb c1ed1754f271f6b7acb1bfdc8cfb62220fbed423 # git clean -qxdf # < git log -1 # commit c1ed1754f271f6b7acb1bfdc8cfb62220fbed423 # Author: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Date: Thu Jun 11 17:31:59 2020 +0530 # # powerpc/kvm/book3s64: Fix kernel crash with nested kvm & DEBUG_VIRTUAL # # With CONFIG_DEBUG_VIRTUAL=y, __pa() checks for addr value and if it's # less than PAGE_OFFSET it leads to a BUG(). # # #define __pa(x) # ({ # VIRTUAL_BUG_ON((unsigned long)(x) < PAGE_OFFSET); # (unsigned long)(x) & 0x0fffffffffffffffUL; # }) # # kernel BUG at arch/powerpc/kvm/book3s_64_mmu_radix.c:43! # cpu 0x70: Vector: 700 (Program Check) at [c0000018a2187360] # pc: c000000000161b30: __kvmhv_copy_tofrom_guest_radix+0x130/0x1f0 # lr: c000000000161d5c: kvmhv_copy_from_guest_radix+0x3c/0x80 # ... # kvmhv_copy_from_guest_radix+0x3c/0x80 # kvmhv_load_from_eaddr+0x48/0xc0 # kvmppc_ld+0x98/0x1e0 # kvmppc_load_last_inst+0x50/0x90 # kvmppc_hv_emulate_mmio+0x288/0x2b0 # kvmppc_book3s_radix_page_fault+0xd8/0x2b0 # kvmppc_book3s_hv_page_fault+0x37c/0x1050 # kvmppc_vcpu_run_hv+0xbb8/0x1080 # kvmppc_vcpu_run+0x34/0x50 # kvm_arch_vcpu_ioctl_run+0x2fc/0x410 # kvm_vcpu_ioctl+0x2b4/0x8f0 # ksys_ioctl+0xf4/0x150 # sys_ioctl+0x28/0x80 # system_call_exception+0x104/0x1d0 # system_call_common+0xe8/0x214 # # kvmhv_copy_tofrom_guest_radix() uses a NULL value for to/from to # indicate direction of copy. # # Avoid calling __pa() if the value is NULL to avoid the BUG(). # # Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # [mpe: Massage change log a bit to mention CONFIG_DEBUG_VIRTUAL] # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20200611120159.680284-1-aneesh.kumar@linux.ibm.com # < /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 c1ed1754f271f6b7acb1bfdc8cfb62220fbed423 # < make -s -j 48 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 48 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 48 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 48 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] 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:355:2: note: in expansion of macro 'xchg' xchg(&ctx->error, 0); ^ No errors detected in 22248 functions. Completed OK # rm -rf /kisskb/build/powerpc-fixes_ia64-defconfig_ia64-gcc4.9 # Build took: 0:02:20.182738

© Michael Ellerman 2006-2018.