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Subject[RFC 10/12] KVM/VMX: Use the new host mapping API for synic_clear_sint_msg_pending
Date
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de>
---
arch/x86/kvm/hyperv.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index dc97f25..408428a 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -137,25 +137,25 @@ static void synic_clear_sint_msg_pending(struct kvm_vcpu_hv_synic *synic,
u32 sint)
{
struct kvm_vcpu *vcpu = synic_to_vcpu(synic);
- struct page *page;
+ struct kvm_host_mapping mapping;
gpa_t gpa;
struct hv_message *msg;
struct hv_message_page *msg_page;

gpa = synic->msg_page & PAGE_MASK;
- page = kvm_vcpu_gfn_to_page(vcpu, gpa >> PAGE_SHIFT);
- if (is_error_page(page)) {
+
+
+ if (!kvm_vcpu_gpa_to_host_mapping(vcpu, gpa, &mapping, true)) {
vcpu_err(vcpu, "Hyper-V SynIC can't get msg page, gpa 0x%llx\n",
gpa);
return;
}
- msg_page = kmap_atomic(page);
+ msg_page = mapping.kaddr;

msg = &msg_page->sint_message[sint];
msg->header.message_flags.msg_pending = 0;

- kunmap_atomic(msg_page);
- kvm_release_page_dirty(page);
+ kvm_release_host_mapping(&mapping, true);
kvm_vcpu_mark_page_dirty(vcpu, gpa >> PAGE_SHIFT);
}

--
2.7.4
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