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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF4B4C433F5 for ; Fri, 1 Oct 2021 14:39:19 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 494B861A51 for ; Fri, 1 Oct 2021 14:39:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 494B861A51 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id AA4834B0E2; Fri, 1 Oct 2021 10:39:18 -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 khCRSRLDKaEG; Fri, 1 Oct 2021 10:39:17 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 9F5C64B0BA; Fri, 1 Oct 2021 10:39:17 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 08ACB4B086 for ; Fri, 1 Oct 2021 10:39:16 -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 1B8vOxxGaLid for ; Fri, 1 Oct 2021 10:39:15 -0400 (EDT) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 330BC4A534 for ; Fri, 1 Oct 2021 10:39:15 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633099155; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4PVvLSrhnJOGqjYQs3rxAizBVLwy17MoMN0v9tRrAcY=; b=LaUtJ+H3thP6az3UcOamuFuNIR8Iilqse+xO3IEsH+aK970BaRUUKIKvJODBSGnRTmiF7h 8GtD6uNrCbjtSDwNVcNjBp9FjBzf5bbyjI1Qd40ThLOvOMnf40SpGcXQwQhgaYY3MzxMAc 64HNkr3RlR8LScSjuupflHcgGgXte9A= Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-212-RY56ZYvjNjSujFa2uirhAw-1; Fri, 01 Oct 2021 10:39:14 -0400 X-MC-Unique: RY56ZYvjNjSujFa2uirhAw-1 Received: by mail-ed1-f71.google.com with SMTP id x7-20020a50ba87000000b003dabd8354f1so5929101ede.7 for ; Fri, 01 Oct 2021 07:39:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=4PVvLSrhnJOGqjYQs3rxAizBVLwy17MoMN0v9tRrAcY=; b=Lk1EygX7CVzAUP7X2GunmoVol+GYF1jMHGjCziBhoWg2fZOfYmiCUrhoVCoVSwbytZ c1JZ7B+A45j1L7b2KntEiYUoZLK5mgOE2zD9hI+BHkDqZwR5Vw9nOZsXd/mC3dJbKXBg mBtxgC2Vvke+bVssYhaYD6kP1gCnv+XxxpowjgmHTFM4cZiA9wKatVbZ9eO4xU6/rqkt JR5hBM10bvIQsMYp/dX6Q/xHe9Rq3TAmncUdGxbLzPeTvv/xosZgjSrPkWdMJsxcM2LB 3FCjwh0T0iydS3yfWkOVtwQKF7aDTgHqfTL4XPQe9+UxWPNHanrhFO+NzVJAn/mOhPXN hfrw== X-Gm-Message-State: AOAM5314xVWdRUhYEq6Pd1gxO3ydxt+9YYBNuqWa0IiT6EL6phNZ8Wts E9VAiHsCqz1gECN8khmqQvSfTW5QUyK+qcs9vzWIMJbXqAA5CoDrj4njkmC+hw00TqJq6VT9Odc EZPpqZ7tLdk0UipkGbsWQJZdZ X-Received: by 2002:a17:906:29d0:: with SMTP id y16mr7042813eje.477.1633099152931; Fri, 01 Oct 2021 07:39:12 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw8RlMd0BjSON/zIWBi38A/HrGVeQYpbDZkMC1hM+jwKFzAnK3B/OZXyj61nI9hMjkJ+eOS3w== X-Received: by 2002:a17:906:29d0:: with SMTP id y16mr7042785eje.477.1633099152704; Fri, 01 Oct 2021 07:39:12 -0700 (PDT) Received: from ?IPV6:2001:b07:6468:f312:5e2c:eb9a:a8b6:fd3e? ([2001:b07:6468:f312:5e2c:eb9a:a8b6:fd3e]) by smtp.gmail.com with ESMTPSA id l25sm3426382eda.36.2021.10.01.07.39.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 01 Oct 2021 07:39:12 -0700 (PDT) Message-ID: Date: Fri, 1 Oct 2021 16:39:10 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 Subject: Re: [PATCH v8 4/7] KVM: x86: Report host tsc and realtime values in KVM_GET_CLOCK To: Oliver Upton , kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu References: <20210916181538.968978-1-oupton@google.com> <20210916181538.968978-5-oupton@google.com> From: Paolo Bonzini In-Reply-To: <20210916181538.968978-5-oupton@google.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: Catalin Marinas , Will Deacon , Peter Shier , Marc Zyngier , David Matlack , linux-arm-kernel@lists.infradead.org, Jim Mattson 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On 16/09/21 20:15, Oliver Upton wrote: > + if (data.flags & ~KVM_CLOCK_REALTIME) > return -EINVAL; Let's accept KVM_CLOCK_HOST_TSC here even though it's not used; there may be programs that expect to send back to KVM_SET_CLOCK whatever they got from KVM_GET_CLOCK. _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm