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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A88B8C433F5 for ; Tue, 11 Jan 2022 09:40:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236572AbiAKJk4 (ORCPT ); Tue, 11 Jan 2022 04:40:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236085AbiAKJkz (ORCPT ); Tue, 11 Jan 2022 04:40:55 -0500 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98BE6C06173F for ; Tue, 11 Jan 2022 01:40:55 -0800 (PST) Received: by mail-pj1-x1031.google.com with SMTP id lr15-20020a17090b4b8f00b001b19671cbebso4808804pjb.1 for ; Tue, 11 Jan 2022 01:40:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=29eYrea5TDtnK5EIdmX1Jj/oj6JLKnkcWRIn4vZIh5c=; b=RD5XB8O2H5sDfMBSzLDqjPQ6w8nUiKM4fPElrmz1ywPkPhbTgt9w/fBGAZ6MWRAkBG AMv6BOonqA8uAyAac6tIA2pz8kslC2OiCWkhe7dHJXTl4Il5s3CW24pECot9fJH8TXG2 U+JhWUsGAYpjCpjUlEABLiV/kbuZw9R9QyCaz0bPBFvRDZemd78bHj2zwqLnzeTMMkF4 GfYnzt63Io59m6xdTWLMILLJK/Z6j68B7Z6ZrIJTO/rKrxT3s6qLbvzG8rnw9EgOBGOd MwnLOBtvD0wPnYiHLzbPiB4zpBoQ2y/GilmaF1BjxgjxaBIw8ck+73wqWZoGKCkf86ee 7pTA== 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=29eYrea5TDtnK5EIdmX1Jj/oj6JLKnkcWRIn4vZIh5c=; b=zRgmOOTp1Qlu9GiQWuXYmT3TdYdmXcL/sglBynCyKEkftm+DGgOvY76HkO278XBDWt GVPDGJvkpti0oktT4OJuyOjHhhPZOr4nTVtOojwV5iNwcpYCmIzzqqSLyELhihtLe4TU ErMVeB8oBZzNSevyc5b0Ygi31rs/bew0/+0y5rzC8ijlBwX8LKGdMRWRe3zLSbmvsph5 0A71hYMtksGXoXkBiCZsBWAyWYki0ok5UWNJjWRo6CQ5A/dbIuSDlghP/rV18FbjyYOz nvWrRfEMh7iT8CqfRSdh2IdlEeViazGQkokD9nDInKfHvBflSqgCLGrj6wH9VGxC+jxH 3DuA== X-Gm-Message-State: AOAM5329l+kNRIv12WUisMuME7HAqvaL8EpgyI2Bzy5xn2Pu5pAkhjhe Y08syJmVYSM1vmT2dp97qJAxzDiGq9I= X-Google-Smtp-Source: ABdhPJy4DNY+E2ONe6nBqviW4EdiG118126QljAAFfPBhjQJAPp+0nuqGn10nq9mOvyxudbM4wYNAg== X-Received: by 2002:a63:6e87:: with SMTP id j129mr3340098pgc.572.1641894055129; Tue, 11 Jan 2022 01:40:55 -0800 (PST) Received: from [30.43.104.246] ([47.89.83.37]) by smtp.gmail.com with ESMTPSA id x29sm919279pfh.175.2022.01.11.01.40.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Jan 2022 01:40:54 -0800 (PST) Message-ID: <89165079-d2a6-fad8-3a9c-dcb46a8acdc7@gmail.com> Date: Tue, 11 Jan 2022 17:40:51 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH v4 02/21] KVM: arm64: Add SDEI virtualization infrastructure Content-Language: en-US To: Gavin Shan , kvmarm@lists.cs.columbia.edu Cc: maz@kernel.org, linux-kernel@vger.kernel.org, Jonathan.Cameron@huawei.com, pbonzini@redhat.com, will@kernel.org References: <20210815001352.81927-1-gshan@redhat.com> <20210815001352.81927-3-gshan@redhat.com> From: Shannon Zhao In-Reply-To: <20210815001352.81927-3-gshan@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/8/15 8:13, Gavin Shan wrote: > diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c > index e9a2b8f27792..2f021aa41632 100644 > --- a/arch/arm64/kvm/arm.c > +++ b/arch/arm64/kvm/arm.c > @@ -150,6 +150,8 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) > > kvm_vgic_early_init(kvm); > > + kvm_sdei_init_vm(kvm); > + > /* The maximum number of VCPUs is limited by the host's GIC model */ > kvm->arch.max_vcpus = kvm_arm_default_max_vcpus(); Hi, Is it possible to let user space to choose whether enabling SEDI or not rather than enable it by default?