From patchwork Wed Sep 25 08:53:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitaly Kuznetsov X-Patchwork-Id: 11160207 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 62B44112B for ; Wed, 25 Sep 2019 08:53:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40AF921D80 for ; Wed, 25 Sep 2019 08:53:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731870AbfIYIxq (ORCPT ); Wed, 25 Sep 2019 04:53:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40292 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387915AbfIYIxI (ORCPT ); Wed, 25 Sep 2019 04:53:08 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 226B010CC201; Wed, 25 Sep 2019 08:53:08 +0000 (UTC) Received: from vitty.brq.redhat.com (unknown [10.43.2.155]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6211C1001B08; Wed, 25 Sep 2019 08:53:06 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Paolo Bonzini , =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= , Sean Christopherson , Jim Mattson , Tianyu Lan Subject: [PATCH] KVM: vmx: fix a build warning in hv_enable_direct_tlbflush() on i386 Date: Wed, 25 Sep 2019 10:53:04 +0200 Message-Id: <20190925085304.24104-1-vkuznets@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.65]); Wed, 25 Sep 2019 08:53:08 +0000 (UTC) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org The following was reported on i386: arch/x86/kvm/vmx/vmx.c: In function 'hv_enable_direct_tlbflush': arch/x86/kvm/vmx/vmx.c:503:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] The particular pr_debug() causing it is more or less useless, let's just remove it. Also, simplify the condition a little bit. Reported-by: kbuild test robot Signed-off-by: Vitaly Kuznetsov Reported-by: kbuild test robot Signed-off-by: Vitaly Kuznetsov --- arch/x86/kvm/vmx/vmx.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index a7c9922e3905..812553b7270f 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -495,13 +495,11 @@ static int hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu) * Synthetic VM-Exit is not enabled in current code and so All * evmcs in singe VM shares same assist page. */ - if (!*p_hv_pa_pg) { + if (!*p_hv_pa_pg) *p_hv_pa_pg = kzalloc(PAGE_SIZE, GFP_KERNEL); - if (!*p_hv_pa_pg) - return -ENOMEM; - pr_debug("KVM: Hyper-V: allocated PA_PG for %llx\n", - (u64)&vcpu->kvm); - } + + if (!*p_hv_pa_pg) + return -ENOMEM; evmcs = (struct hv_enlightened_vmcs *)to_vmx(vcpu)->loaded_vmcs->vmcs;