KVM: x86: Add a helper to check for user interception of KVM hypercalls

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Add and use user_exit_on_hypercall() to check if userspace wants to handle
a KVM hypercall instead of open-coding the logic everywhere.

No functional change intended.

Signed-off-by: Binbin Wu <binbin.wu@linux.intel.com>
Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
[sean: squash into one patch, keep explicit KVM_HC_MAP_GPA_RANGE check]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Message-ID: <20241128004344.4072099-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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This commit is contained in:

Binbin Wu 2024-11-27 16:43:40 -08:00 • committed by Paolo Bonzini

parent 9a1dfeff44

commit c4c083d951

3 changed files with 8 additions and 3 deletions

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4

arch/x86/kvm/svm/sev.c

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2

arch/x86/kvm/x86.c

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5

arch/x86/kvm/x86.h

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