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=-5.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 156B3C3F2CD for ; Sun, 1 Mar 2020 17:51:05 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D0C8724692 for ; Sun, 1 Mar 2020 17:51:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="gQLOJgmi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D0C8724692 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50620 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j8Sk4-0004gS-3K for qemu-devel@archiver.kernel.org; Sun, 01 Mar 2020 12:51:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33483) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j8SjH-0003g8-1R for qemu-devel@nongnu.org; Sun, 01 Mar 2020 12:50:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j8SjG-00008n-1j for qemu-devel@nongnu.org; Sun, 01 Mar 2020 12:50:14 -0500 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]:34995) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j8SjF-00007y-RL for qemu-devel@nongnu.org; Sun, 01 Mar 2020 12:50:13 -0500 Received: by mail-pf1-x443.google.com with SMTP id i19so4387103pfa.2 for ; Sun, 01 Mar 2020 09:50:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=dfxdb7fsCcoZicRbs+z58/8kgpx9oS1+5EKK4VU5s6Q=; b=gQLOJgmi3zd/CWRo89RHpidJy/4RAPYMFlLdnV547lLJhHbVm2m6VBq/xkcDcWQfZh TWvRkblo8Q9hiXwhB/k5Ej3tGqeNVcFdmeh3psN4+zHMppbZOHstdgiD1+uHYQuu6Qda Wj5xKpXmrMskvSi1FL/5ByTVLV5LrhGpht9w1FS4IP89Z7PxHiXyrwi5HHJqlc4MT2O5 6weMkq4IMNrCzufFTqEiuXjty1P0EpGTp9uop+IV1yzJ2tSa6sy+56KWe2GnsaLDEoNA aQ79abM9S4N12SHdKiCJB8D00XXz7EtjoRamCyGIcps8jy8UwikF7v9glxAxSl1bGsvD i+AA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=dfxdb7fsCcoZicRbs+z58/8kgpx9oS1+5EKK4VU5s6Q=; b=ZIlSLE1ZYG1YWl4CjU1FuPq6HeWFTdSf3SCeaDr/EJcFgoH+Yk2QtAhgZX6fQBMIzg yNdvwELlRV+c86vR6mpvzB5zfpqALlA52zjWCo2PAVbZsPItAiS4TprA1KT06cmjoIxC XfDTLIsNLBVzQc4gFIDFKdETEehEZ1tGchJ7WdlyI5o60WuYrcbRMzh84+X00HtboR3z D+nytnAoLYdlFsN9RmHiAprQ/+DuSbSRUnxr23+ej53/y3clWHHJYDFfnSSmEfmDWzjv sqpDivfG0UEr+BJEc5YZ4UkZVmxWKLXwKZnC1i4onMftc/XP+0ik45o9kx5eiNLVsaXm r3yg== X-Gm-Message-State: APjAAAXzxOwK+tMcrqFu9swu5OKXZwrbXiSxS3UHM4whRtU9Z7qmTgk4 gHmGAa2OVUjMALrbEy01jQ/+Lg== X-Google-Smtp-Source: APXvYqx/gsS/XgD0/Ov+teqjMO//NJhilJiBg9EPMWXrcZq5KLpnPZeeIwew6xiuzkhGg+huRhLbiw== X-Received: by 2002:a62:4d87:: with SMTP id a129mr14189456pfb.116.1583085012733; Sun, 01 Mar 2020 09:50:12 -0800 (PST) Received: from [192.168.1.11] (97-126-123-70.tukw.qwest.net. [97.126.123.70]) by smtp.gmail.com with ESMTPSA id 191sm10370082pfa.142.2020.03.01.09.50.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 01 Mar 2020 09:50:12 -0800 (PST) Subject: Re: [PATCH v2 4/6] target/arm/kvm: Let kvm_arm_vgic_probe() return a bitmap To: Eric Auger , eric.auger.pro@gmail.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org References: <20200301104040.15186-1-eric.auger@redhat.com> <20200301104040.15186-5-eric.auger@redhat.com> From: Richard Henderson Message-ID: <21e0115d-59b5-6923-cb7c-3d84632d9d57@linaro.org> Date: Sun, 1 Mar 2020 09:50:10 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200301104040.15186-5-eric.auger@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::443 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: maz@kernel.org, drjones@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 3/1/20 2:40 AM, Eric Auger wrote: > Convert kvm_arm_vgic_probe() so that it returns a > bitmap of supported in-kernel emulation VGIC versions instead > of the max version: at the moment values can be v2 and v3. > This allows to expose the case where the host GICv3 also > supports GICv2 emulation. This will be useful to choose the > default version in KVM accelerated mode. > > Signed-off-by: Eric Auger > --- > hw/arm/virt.c | 11 +++++++++-- > target/arm/kvm.c | 14 ++++++++------ > target/arm/kvm_arm.h | 3 +++ > 3 files changed, 20 insertions(+), 8 deletions(-) Reviewed-by: Richard Henderson r~