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KVM: x86: hyperv: use defines when parsing hypercall parameters 

Avoid open-coding offsets for hypercall input parameters, we already
have defines for them.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Vitaly Kuznetsov 2018-05-16 17:21:26 +02:00 committed by Radim Krčmář
parent c9c92bee53
commit 142c95da92
1 changed files with 3 additions and 3 deletions
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6
arch/x86/kvm/hyperv.c
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@ -1341,9 +1341,9 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
#endif
code = param & 0xffff;
fast = (param >> 16) & 0x1;
rep_cnt = (param >> 32) & 0xfff;
rep_idx = (param >> 48) & 0xfff;
fast = !!(param & HV_HYPERCALL_FAST_BIT);
rep_cnt = (param >> HV_HYPERCALL_REP_COMP_OFFSET) & 0xfff;
rep_idx = (param >> HV_HYPERCALL_REP_START_OFFSET) & 0xfff;
trace_kvm_hv_hypercall(code, fast, rep_cnt, rep_idx, ingpa, outgpa);