Re: [PATCH v10 32/81] KVM: introduce VM introspection
Hi "Adalbert, Thank you for the patch! Yet something to improve: [auto build test ERROR on dc924b062488a0376aae41d3e0a27dc99f852a5e] url: https://github.com/0day-ci/linux/commits/Adalbert-Laz-r/VM-introspection/20201125-174530 base:dc924b062488a0376aae41d3e0a27dc99f852a5e config: s390-randconfig-r005-20201125 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 77e98eaee2e8d4b9b297b66fda5b1e51e2a6) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://github.com/0day-ci/linux/commit/6ffa5da71155bd0bed0d68c52af248bda256d0f2 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Adalbert-Laz-r/VM-introspection/20201125-174530 git checkout 6ffa5da71155bd0bed0d68c52af248bda256d0f2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~ ^ include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32' ___constant_swab32(x) : \ ^ include/uapi/linux/swab.h:21:12: note: expanded from macro '___constant_swab32' (((__u32)(x) & (__u32)0x00ffUL) >> 8) |\ ^ In file included from arch/s390/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:32: In file included from include/linux/kvm_para.h:5: In file included from include/uapi/linux/kvm_para.h:40: In file included from arch/s390/include/asm/kvm_para.h:25: In file included from arch/s390/include/asm/diag.h:12: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:31: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:80: include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~ ^ include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32' ___constant_swab32(x) : \ ^ include/uapi/linux/swab.h:22:12: note: expanded from macro '___constant_swab32' (((__u32)(x) & (__u32)0xff00UL) >> 24))) ^ In file included from arch/s390/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:32: In file included from include/linux/kvm_para.h:5: In file included from include/uapi/linux/kvm_para.h:40: In file included from arch/s390/include/asm/kvm_para.h:25: In file included from arch/s390/include/asm/diag.h:12: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:31: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:80: include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~ ^ include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:120:12: note: expanded from macro '__swab32' __fswab32(x)) ^ In file included from
Re: [PATCH v10 32/81] KVM: introduce VM introspection
Hi "Adalbert, Thank you for the patch! Yet something to improve: [auto build test ERROR on dc924b062488a0376aae41d3e0a27dc99f852a5e] url: https://github.com/0day-ci/linux/commits/Adalbert-Laz-r/VM-introspection/20201125-174530 base:dc924b062488a0376aae41d3e0a27dc99f852a5e config: powerpc64-randconfig-r006-20201125 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 77e98eaee2e8d4b9b297b66fda5b1e51e2a6) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://github.com/0day-ci/linux/commit/6ffa5da71155bd0bed0d68c52af248bda256d0f2 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Adalbert-Laz-r/VM-introspection/20201125-174530 git checkout 6ffa5da71155bd0bed0d68c52af248bda256d0f2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c), ^~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :45:1: note: expanded from here __do_insw ^ arch/powerpc/include/asm/io.h:542:56: note: expanded from macro '__do_insw' #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~^ In file included from arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:7: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), ^~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :47:1: note: expanded from here __do_insl ^ arch/powerpc/include/asm/io.h:543:56: note: expanded from macro '__do_insl' #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~^ In file included from arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:7: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), ^~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~ :49:1: note: expanded from here __do_outsb ^ arch/powerpc/include/asm/io.h:544:58: note: expanded from macro '__do_outsb' #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~^ In file included from arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:18: In file included from include/linux/kvm_host.h:7: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from
Re: [PATCH v10 32/81] KVM: introduce VM introspection
Hi "Adalbert,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on dc924b062488a0376aae41d3e0a27dc99f852a5e]
url:
https://github.com/0day-ci/linux/commits/Adalbert-Laz-r/VM-introspection/20201125-174530
base:dc924b062488a0376aae41d3e0a27dc99f852a5e
config: mips-malta_kvm_defconfig (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://github.com/0day-ci/linux/commit/6ffa5da71155bd0bed0d68c52af248bda256d0f2
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Adalbert-Laz-r/VM-introspection/20201125-174530
git checkout 6ffa5da71155bd0bed0d68c52af248bda256d0f2
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
All errors (new ones prefixed by >>):
In file included from arch/mips/kvm/../../../virt/kvm/kvm_main.c:18:
include/linux/kvm_host.h:925:14: warning: 'struct kvm_xsave' declared inside
parameter list will not be visible outside of this definition or declaration
925 | struct kvm_xsave *guest_xsave);
| ^
include/linux/kvm_host.h:927:13: warning: 'struct kvm_xsave' declared inside
parameter list will not be visible outside of this definition or declaration
927 | struct kvm_xsave *guest_xsave);
| ^
arch/mips/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_create_vm':
>> arch/mips/kvm/../../../virt/kvm/kvm_main.c:806:6: error:
>> 'enable_introspection' undeclared (first use in this function)
806 | if (enable_introspection)
| ^~~~
arch/mips/kvm/../../../virt/kvm/kvm_main.c:806:6: note: each undeclared
identifier is reported only once for each function it appears in
arch/mips/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_destroy_vm':
arch/mips/kvm/../../../virt/kvm/kvm_main.c:861:6: error:
'enable_introspection' undeclared (first use in this function)
861 | if (enable_introspection)
| ^~~~
arch/mips/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_init':
arch/mips/kvm/../../../virt/kvm/kvm_main.c:5012:6: error:
'enable_introspection' undeclared (first use in this function)
5012 | if (enable_introspection) {
| ^~~~
vim +/enable_introspection +806 arch/mips/kvm/../../../virt/kvm/kvm_main.c
797
798 r = kvm_init_mmu_notifier(kvm);
799 if (r)
800 goto out_err_no_mmu_notifier;
801
802 r = kvm_arch_post_init_vm(kvm);
803 if (r)
804 goto out_err;
805
> 806 if (enable_introspection)
807 kvmi_create_vm(kvm);
808
809 mutex_lock(_lock);
810 list_add(>vm_list, _list);
811 mutex_unlock(_lock);
812
813 preempt_notifier_inc();
814
815 return kvm;
816
817 out_err:
818 #if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
819 if (kvm->mmu_notifier.ops)
820 mmu_notifier_unregister(>mmu_notifier,
current->mm);
821 #endif
822 out_err_no_mmu_notifier:
823 hardware_disable_all();
824 out_err_no_disable:
825 kvm_arch_destroy_vm(kvm);
826 out_err_no_arch_destroy_vm:
827 WARN_ON_ONCE(!refcount_dec_and_test(>users_count));
828 for (i = 0; i < KVM_NR_BUSES; i++)
829 kfree(kvm_get_bus(kvm, i));
830 for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++)
831 kvm_free_memslots(kvm, __kvm_memslots(kvm, i));
832 cleanup_srcu_struct(>irq_srcu);
833 out_err_no_irq_srcu:
834 cleanup_srcu_struct(>srcu);
835 out_err_no_srcu:
836 kvm_arch_free_vm(kvm);
837 mmdrop(current->mm);
838 return ERR_PTR(r);
839 }
840
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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