CC: kbuild-...@lists.01.org
CC: k...@vger.kernel.org
CC: Robert Hu <robert...@intel.com>
CC: Farrah Chen <farrah.c...@intel.com>
CC: Danmei Wei <danmei....@intel.com>
TO: Aaron Lewis <aaronle...@google.com>
CC: Paolo Bonzini <pbonz...@redhat.com>
CC: David Edmondson <david.edmond...@oracle.com>
CC: Jim Mattson <jmatt...@google.com>

tree:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
head:   42ac670e03c13e78b43177569bea49540d22661e
commit: 3bd33d3f648e99bdf93f327f2abc40962d740b9c [329/331] kvm: x86: Allow 
userspace to handle emulation errors
:::::: branch date: 61 minutes ago
:::::: commit date: 61 minutes ago
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
cd tools/perf && ./check-headers.sh

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>


perfheadercheck warnings: (new ones prefixed by >>)
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  283> /* Flags that describe 
>> what fields in emulation_failure hold valid data. */
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  284> #define 
>> KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h':  285> 
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h':  389>              /*
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  390>               * 
>> KVM_INTERNAL_ERROR_EMULATION
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h':  391>               *
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  392>               * "struct 
>> emulation_failure" is an overlay of "struct internal"
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  393>               * that is 
>> used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  394>               * 
>> KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  395>               * 
>> sub-types, this struct is ABI!  It also needs to be backwards
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  396>               * 
>> compatible with "struct internal".  Take special care that
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  397>               * "ndata" 
>> is correct, that new fields are enumerated in "flags",
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  398>               * and that 
>> each flag enumerates fields that are 64-bit aligned
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  399>               * and 
>> sized (so that ndata+internal.data[] is valid/accurate).
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h':  400>               */
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h':  401>              struct {
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  402>                      
>> __u32 suberror;
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  403>                      
>> __u32 ndata;
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  404>                      
>> __u64 flags;
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  405>                      
>> __u8  insn_size;
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  406>                      
>> __u8  insn_bytes[15];
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h':  407>              } 
>> emulation_failure;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1108> #define 
KVM_CAP_HYPERV_ENFORCE_CPUID 199
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1109> #define KVM_CAP_SREGS2 200
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1110> #define 
KVM_CAP_EXIT_HYPERCALL 201
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1111> #define 
KVM_CAP_PPC_RPT_INVALIDATE 202
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1112> #define 
KVM_CAP_BINARY_STATS_FD 203
>> Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
>> latest version at 'include/uapi/linux/kvm.h': 1113> #define 
>> KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1652> #define KVM_GET_SREGS2      
       _IOR(KVMIO,  0xcc, struct kvm_sregs2)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1653> #define KVM_SET_SREGS2      
       _IOW(KVMIO,  0xcd, struct kvm_sregs2)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1654> 
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1932> 
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1933> /**
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1934>  * struct kvm_stats_header 
- Header of per vm/vcpu binary statistics data.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1935>  * @flags: Some extra 
information for header, always 0 for now.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1936>  * @name_size: The size in 
bytes of the memory which contains statistics
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1937>  *             name string 
including trailing '\0'. The memory is allocated
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1938>  *             at the send 
of statistics descriptor.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1939>  * @num_desc: The number of 
statistics the vm or vcpu has.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1940>  * @id_offset: The offset 
of the vm/vcpu stats' id string in the file pointed
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1941>  *             by vm/vcpu 
stats fd.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1942>  * @desc_offset: The offset 
of the vm/vcpu stats' descriptor block in the file
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1943>  *               pointd by 
vm/vcpu stats fd.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1944>  * @data_offset: The offset 
of the vm/vcpu stats' data block in the file
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1945>  *               pointed by 
vm/vcpu stats fd.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1946>  *
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1947>  * This is the header 
userspace needs to read from stats fd before any other
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1948>  * readings. It is used by 
userspace to discover all the information about the
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1949>  * vm/vcpu's binary 
statistics.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1950>  * Userspace reads this 
header from the start of the vm/vcpu's stats fd.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1951>  */
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1952> struct kvm_stats_header {
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1953>      __u32 flags;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1954>      __u32 name_size;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1955>      __u32 num_desc;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1956>      __u32 id_offset;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1957>      __u32 desc_offset;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1958>      __u32 data_offset;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1959> };
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1960> 
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1961> #define 
KVM_STATS_TYPE_SHIFT         0
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1962> #define KVM_STATS_TYPE_MASK 
         (0xF << KVM_STATS_TYPE_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1963> #define 
KVM_STATS_TYPE_CUMULATIVE    (0x0 << KVM_STATS_TYPE_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1964> #define 
KVM_STATS_TYPE_INSTANT               (0x1 << KVM_STATS_TYPE_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1965> #define KVM_STATS_TYPE_PEAK 
         (0x2 << KVM_STATS_TYPE_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1966> #define KVM_STATS_TYPE_MAX  
         KVM_STATS_TYPE_PEAK
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1967> 
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1968> #define 
KVM_STATS_UNIT_SHIFT         4
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1969> #define KVM_STATS_UNIT_MASK 
         (0xF << KVM_STATS_UNIT_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1970> #define KVM_STATS_UNIT_NONE 
         (0x0 << KVM_STATS_UNIT_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1971> #define 
KVM_STATS_UNIT_BYTES         (0x1 << KVM_STATS_UNIT_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1972> #define 
KVM_STATS_UNIT_SECONDS               (0x2 << KVM_STATS_UNIT_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1973> #define 
KVM_STATS_UNIT_CYCLES                (0x3 << KVM_STATS_UNIT_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1974> #define KVM_STATS_UNIT_MAX  
         KVM_STATS_UNIT_CYCLES
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1975> 
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1976> #define 
KVM_STATS_BASE_SHIFT         8
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1977> #define KVM_STATS_BASE_MASK 
         (0xF << KVM_STATS_BASE_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1978> #define 
KVM_STATS_BASE_POW10         (0x0 << KVM_STATS_BASE_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1979> #define KVM_STATS_BASE_POW2 
         (0x1 << KVM_STATS_BASE_SHIFT)
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1980> #define KVM_STATS_BASE_MAX  
         KVM_STATS_BASE_POW2
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1981> 
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1982> /**
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1983>  * struct kvm_stats_desc - 
Descriptor of a KVM statistics.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1984>  * @flags: Annotations of 
the stats, like type, unit, etc.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1985>  * @exponent: Used together 
with @flags to determine the unit.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1986>  * @size: The number of 
data items for this stats.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1987>  *        Every data item 
is of type __u64.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1988>  * @offset: The offset of 
the stats to the start of stat structure in
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1989>  *          struture kvm or 
kvm_vcpu.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1990>  * @unused: Unused field 
for future usage. Always 0 for now.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1991>  * @name: The name string 
for the stats. Its size is indicated by the
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1992>  *        
&kvm_stats_header->name_size.
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1993>  */
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1994> struct kvm_stats_desc {
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1995>      __u32 flags;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1996>      __s16 exponent;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1997>      __u16 size;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1998>      __u32 offset;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 1999>      __u32 unused;
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 2000>      char name[];
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 2001> };
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 2002> 
   Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from 
latest version at 'include/uapi/linux/kvm.h': 2003> #define KVM_GET_STATS_FD  
_IO(KVMIO,  0xce)

---
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