From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA44AC433E4 for ; Tue, 28 Jul 2020 13:02:07 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 6150920714 for ; Tue, 28 Jul 2020 13:02:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ax9d4U/E" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6150920714 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id CB15D4BA3B; Tue, 28 Jul 2020 09:02:06 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@redhat.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Hj7TT4yQcoIq; Tue, 28 Jul 2020 09:02:05 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id C7A484BA52; Tue, 28 Jul 2020 09:02:05 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 0E6ED4BA3B for ; Tue, 28 Jul 2020 09:02:05 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WuKx9EhSLnlx for ; Tue, 28 Jul 2020 09:02:04 -0400 (EDT) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 31CB44B9FD for ; Tue, 28 Jul 2020 09:02:04 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1595941324; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=OKtEBQaZn0YzZZHRsb7SFbrApIA8b080HrT/IDEZIaQ=; b=ax9d4U/E0hjb5cQXwgDd7zcUG2GxDk9+2TaRhpIYEYxubMMJX/KzHmfqlYCtJ3HVyvbDDT 84WN/4G/ss4uw7tUooblaU0eDDPhGodG5kMReFoLZdROdQx51IVvQs9y3R8yIloVm+L1XS 6UqPd15GuhXTISTNbZDAuBis2mTqCWY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-62-CIQdaN17OKK5X56TfILZDQ-1; Tue, 28 Jul 2020 08:59:19 -0400 X-MC-Unique: CIQdaN17OKK5X56TfILZDQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 782BC1009618; Tue, 28 Jul 2020 12:59:18 +0000 (UTC) Received: from kamzik.brq.redhat.com (unknown [10.40.193.15]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BE7031C937; Tue, 28 Jul 2020 12:59:14 +0000 (UTC) Date: Tue, 28 Jul 2020 14:59:11 +0200 From: Andrew Jones To: Marc Zyngier Subject: Re: [PATCH 0/5] KVM: arm64: pvtime: Fixes and a new cap Message-ID: <20200728125911.ym7fcdp57tbtl32m@kamzik.brq.redhat.com> References: <20200711100434.46660-1-drjones@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Cc: pbonzini@redhat.com, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, steven.price@arm.com X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Mon, Jul 27, 2020 at 07:01:04PM +0100, Marc Zyngier wrote: > On 2020-07-11 11:04, Andrew Jones wrote: > > The first three patches in the series are fixes that come from testing > > and reviewing pvtime code while writing the QEMU support (I'll reply > > to this mail with a link to the QEMU patches after posting - which I'll > > do shortly). The last patch is only a convenience for userspace, and I > > wouldn't be heartbroken if it wasn't deemed worth it. The QEMU patches > > I'll be posting are currently written without the cap. However, if the > > cap is accepted, then I'll change the QEMU code to use it. > > > > Thanks, > > drew > > > > Andrew Jones (5): > > KVM: arm64: pvtime: steal-time is only supported when configured > > KVM: arm64: pvtime: Fix potential loss of stolen time > > KVM: arm64: pvtime: Fix stolen time accounting across migration > > KVM: Documentation minor fixups > > arm64/x86: KVM: Introduce steal-time cap > > > > Documentation/virt/kvm/api.rst | 20 ++++++++++++++++---- > > arch/arm64/include/asm/kvm_host.h | 2 +- > > arch/arm64/kvm/arm.c | 3 +++ > > arch/arm64/kvm/pvtime.c | 31 +++++++++++++++---------------- > > arch/x86/kvm/x86.c | 3 +++ > > include/linux/kvm_host.h | 19 +++++++++++++++++++ > > include/uapi/linux/kvm.h | 1 + > > 7 files changed, 58 insertions(+), 21 deletions(-) > > Hi Andrew, > > Sorry about the time it took to get to this series. No problem. > Although I had a number of comments, they are all easy to > address, and you will hopefully be able to respin it quickly I'll address all the comments and get it respun right away. > (assuming we agree that patch #1 is unnecessary). I'm not sure yet. I've suggested yet another interpretation of the spec and will see what you say about that. Thanks, drew _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm