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authorVitaly Kuznetsov <vkuznets@redhat.com>2018-05-16 17:21:26 +0200
committerRadim Krčmář <rkrcmar@redhat.com>2018-05-26 14:14:33 +0200
commit142c95da92e847312f4d32cc8870719fe335d121 (patch)
tree580d9abd77e526f5fbf45a433744fc161f78f77b /arch/x86/kvm/hyperv.c
parentc9c92bee533073e2c3999200cfcff2a606ac8534 (diff)
downloadlinux-142c95da92e847312f4d32cc8870719fe335d121.tar.bz2
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>
Diffstat (limited to 'arch/x86/kvm/hyperv.c')
-rw-r--r--arch/x86/kvm/hyperv.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 5708e951a5c6..dcfeae2deafa 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -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);