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[23.128.96.18]) by mx.google.com with ESMTP id l3si1844710ejd.203.2021.05.27.00.11.25; Thu, 27 May 2021 00:11:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=S3Q3irWu; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234562AbhE0E6m (ORCPT + 99 others); Thu, 27 May 2021 00:58:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234431AbhE0E6j (ORCPT ); Thu, 27 May 2021 00:58:39 -0400 Received: from mail-ot1-x331.google.com (mail-ot1-x331.google.com [IPv6:2607:f8b0:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCB90C061760; Wed, 26 May 2021 21:57:05 -0700 (PDT) Received: by mail-ot1-x331.google.com with SMTP id i23-20020a9d68d70000b02902dc19ed4c15so3308588oto.0; Wed, 26 May 2021 21:57:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=zd33jEwk8aHcS5XVZ56yw2Oa1m/r43mn4HOR1FizvXU=; b=S3Q3irWuVCW9yu9MDQAE7KTjnhM/caOcdVcxZmKxu/a9WxHh1BOfD970uWtTPqCQrV Rj3gsWRoMHvBobnlMbQnZ72NxeQ7761HUk1xPHQPwd4EUO4GuHlFpkMDjnBCyBFxn2CB ERnwMOp1G48Pu8Y6nKL++IroC/7XOJoUCI0U9RF/uC4k+ghA84wsIxp0u204F6biLwid sfI/p9qDDPAe7cD9bmPs1aT3JxF/2w/vK6pgiJFlF3YoFei4UlaWzcgQhJnJwFkCMjoq NzN1eORSy+VODVm72LhiDH3MRgAyZY/btEjET53xim+VaMZtYGClYdAH41XmdhEAjWJM YvCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=zd33jEwk8aHcS5XVZ56yw2Oa1m/r43mn4HOR1FizvXU=; b=kbcd00dkUXUcYELmsrsGkEXZVCZtTAdc+Gwg9yANL5NWBFZ4C52UNzhI/ov24ZQVU1 wHjq3eErHQIFi9UTkm7riM3LAFVCj/aE5o7prMtuS1PvYirVQRe3Zk2A0SUrG41pUVFc SoWddebKWTLSq85uWWEcnxiaMdKPSLh69yeN/bBGevuT+LkAx9F8rMpJ0tWP9LzYwODQ CuKod1YjTocWFodRu+glvBWGq4FFSivHf0/HdoSqcX4be0mhmW4VXnSq6EOD2tW/TnNt /lDIQF03htLOMfL15IXwC3BW5uDKKMeI9gnmDFKL+WsI/YeYVi3wWsa26+f2LoHHMJdl OKVw== X-Gm-Message-State: AOAM533d0stulAPMGvyEOJfnQ5Fe5yvMifB9juX69j8OsEP7Uig83GcB BhVHeAcqCZfIpDkDFBvSLdweqkPoxjU0jQn5fD8= X-Received: by 2002:a9d:4b0e:: with SMTP id q14mr1304495otf.254.1622091425262; Wed, 26 May 2021 21:57:05 -0700 (PDT) MIME-Version: 1.0 References: <20210527084356.12c2784f@canb.auug.org.au> In-Reply-To: <20210527084356.12c2784f@canb.auug.org.au> From: Wanpeng Li Date: Thu, 27 May 2021 12:56:54 +0800 Message-ID: Subject: Re: linux-next: build failure after merge of the kvm-fixes tree To: Stephen Rothwell Cc: Paolo Bonzini , KVM , Wanpeng Li , Linux Kernel Mailing List , Linux Next Mailing List Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 27 May 2021 at 10:50, Stephen Rothwell wrote: > > Hi all, > > After merging the kvm-fixes tree, today's linux-next build (powerpc > ppc64_defconfig) failed like this: > > In file included from arch/powerpc/include/asm/kvm_ppc.h:19, > from arch/powerpc/include/asm/dbell.h:17, > from arch/powerpc/kernel/asm-offsets.c:38: > include/linux/kvm_host.h: In function 'kvm_vcpu_can_poll': > include/linux/kvm_host.h:270:9: error: implicit declaration of function 'single_task_running' [-Werror=implicit-function-declaration] > 270 | return single_task_running() && !need_resched() && ktime_before(cur, stop); > | ^~~~~~~~~~~~~~~~~~~ > > Caused by commit > > 85d4c3baeb45 ("KVM: PPC: exit halt polling on need_resched()") > > I have used the kvm-fixes tree from next-20210524 again today. The kvm/master is broken by several patches. diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 0f6f394..e851671 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1659,7 +1659,7 @@ struct kvm_hv_hcall { static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc, bool ex) { - int i, j; + int i; gpa_t gpa; struct kvm *kvm = vcpu->kvm; struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 9d095bed..feb9611 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3604,7 +3604,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) * to ensure backwards-compatible behavior for migration. */ if (msr_info->host_initiated && - kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_TSC_HOST_ACCESS)) + kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_TSC_HOST_ACCESS)) { offset = vcpu->arch.l1_tsc_offset; ratio = vcpu->arch.l1_tsc_scaling_ratio; } else { diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 18905c9..4273e04 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include