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SubjectRe: [PATCH v2 2/2] KVM: X86: Add Force Emulation Prefix for "emulate the next instruction"
Hi Wanpeng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on kvm/linux-next]
[also build test WARNING on next-20180327]
[cannot apply to v4.16-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

base: linux-next
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__

sparse warnings: (new ones prefixed by >>)

>> arch/x86/kvm/x86.c:149:20: sparse: symbol 'force_emulation_prefix' was not declared. Should it be static?
arch/x86/kvm/x86.c:2196:38: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] <asn:1>*<noident> @@ got d const [noderef] <asn:1>*<noident> @@
arch/x86/kvm/x86.c:2196:38: expected void const [noderef] <asn:1>*<noident>
arch/x86/kvm/x86.c:2196:38: got unsigned char [usertype] *
arch/x86/kvm/x86.c:7911:5: sparse: symbol 'kvm_valid_sregs' was not declared. Should it be static?
arch/x86/kvm/x86.c:8786:16: sparse: incompatible types in comparison expression (different address spaces)
arch/x86/include/asm/paravirt.h:783:9: sparse: context imbalance in 'vcpu_enter_guest' - unexpected unlock

Please review and possibly fold the followup patch.

0-DAY kernel test infrastructure Open Source Technology Center Intel Corporation

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