From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753957AbeBESsc (ORCPT ); Mon, 5 Feb 2018 13:48:32 -0500 Received: from smtp-fw-4101.amazon.com ([72.21.198.25]:15450 "EHLO smtp-fw-4101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752743AbeBESsF (ORCPT ); Mon, 5 Feb 2018 13:48:05 -0500 X-IronPort-AV: E=Sophos;i="5.46,465,1511827200"; d="scan'208";a="706879299" From: KarimAllah Ahmed To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: KarimAllah Ahmed , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Subject: [RFC 11/12] KVM/VMX: Use the new host mapping API for synic_deliver_msg Date: Mon, 5 Feb 2018 19:47:30 +0100 Message-Id: <1517856451-2932-12-git-send-email-karahmed@amazon.de> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1517856451-2932-1-git-send-email-karahmed@amazon.de> References: <1517856451-2932-1-git-send-email-karahmed@amazon.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cc: Paolo Bonzini Cc: Radim Krčmář Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: KarimAllah Ahmed --- 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 408428a..be6ce0e 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -563,7 +563,7 @@ static int synic_deliver_msg(struct kvm_vcpu_hv_synic *synic, u32 sint, struct hv_message *src_msg) { struct kvm_vcpu *vcpu = synic_to_vcpu(synic); - struct page *page; + struct kvm_host_mapping mapping; gpa_t gpa; struct hv_message *dst_msg; int r; @@ -573,11 +573,11 @@ static int synic_deliver_msg(struct kvm_vcpu_hv_synic *synic, u32 sint, return -ENOENT; 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)) return -EFAULT; - msg_page = kmap_atomic(page); + msg_page = mapping.kaddr; dst_msg = &msg_page->sint_message[sint]; if (sync_cmpxchg(&dst_msg->header.message_type, HVMSG_NONE, src_msg->header.message_type) != HVMSG_NONE) { @@ -594,8 +594,8 @@ static int synic_deliver_msg(struct kvm_vcpu_hv_synic *synic, u32 sint, else if (r == 0) r = -EFAULT; } - kunmap_atomic(msg_page); - kvm_release_page_dirty(page); + + kvm_release_host_mapping(&mapping, true); kvm_vcpu_mark_page_dirty(vcpu, gpa >> PAGE_SHIFT); return r; } -- 2.7.4