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=-6.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 2A2F3C07E99 for ; Fri, 9 Jul 2021 07:52:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02C56613BD for ; Fri, 9 Jul 2021 07:52:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231296AbhGIHyv (ORCPT ); Fri, 9 Jul 2021 03:54:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231146AbhGIHyu (ORCPT ); Fri, 9 Jul 2021 03:54:50 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3185AC0613DD for ; Fri, 9 Jul 2021 00:52:06 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id p14-20020a17090ad30eb02901731c776526so5467129pju.4 for ; Fri, 09 Jul 2021 00:52:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=O9yEJ/RI8DyqTUqQc7qvFOA41xcGAb9AUJUpJSi1YCk=; b=hykJA/Js2Xkhhe70Ko9i6iWvtj5MCdYDu7B/4u+DpVpsKePBnWY5j4t4PmJ+/N5Tma i74pAgLdfgxkaGf4SgAwZgceXKJ7rvLOQBWSmhuTfRMGbGSTEGg8Y90WlqU6AxZc1+ne VnQDpGlScVjcXYoN01FMKeV5pUHPa6XpOQzAU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=O9yEJ/RI8DyqTUqQc7qvFOA41xcGAb9AUJUpJSi1YCk=; b=H6MJXSUlPsksRRKYJqd+rDjk6Os5PPBbD7TR8sTde2K8LfFExh9gcW6nNmFBb2aasI Nxuwsv7cJwPaZ9V2qOmRgzHmF3PvddXy5h8TWikZZJHG2M+gchzcjujt7a9m5QlwitRY v48ci8pQiAlC08qRqGBCQun8bznOrTg7vV9CoshM+MEWCp5EpFWlyyK6Tvmuq8j4PDm6 6jY2OkG36fVjEOid3C2mTjin4FLpaNqZ4NiqlOdLvKYXRd4uo7Xb3/13omW88GtU4NQQ 9KvtYXP3L2lhUzKJjH1rf7FlwxV/upCjq8r2ErgAwD7GJkX2NwG8Nj/g0hxeCG43ti/N vzeA== X-Gm-Message-State: AOAM530Bmbz2cgHa+4/xkRm1sQUpHaBbo1epPq1hFahMwXEHaS8ezqDQ 9GUqbJfKnNPLSzx0gnpiFvhTGQ== X-Google-Smtp-Source: ABdhPJy5Iba/1n9IqX8ohIsdLkvuWXlXJvMJv1c0Hhbuj+FFhPRYR/07l1fWcSHSalGaLyrQsw0tBg== X-Received: by 2002:a17:90a:5d16:: with SMTP id s22mr36261212pji.48.1625817125628; Fri, 09 Jul 2021 00:52:05 -0700 (PDT) Received: from google.com ([2409:10:2e40:5100:a30d:fc4:7834:ee08]) by smtp.gmail.com with ESMTPSA id 194sm5349713pfy.51.2021.07.09.00.52.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jul 2021 00:52:05 -0700 (PDT) Date: Fri, 9 Jul 2021 16:52:00 +0900 From: Sergey Senozhatsky To: David Edmondson Cc: Sergey Senozhatsky , Marc Zyngier , Will Deacon , Suleiman Souhlal , Joel Fernandes , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCHv2 2/4] arm64: add guest pvstate support Message-ID: References: <20210709043713.887098-1-senozhatsky@chromium.org> <20210709043713.887098-3-senozhatsky@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (21/07/09 08:39), David Edmondson wrote: [..] > > + > > +static bool has_pv_vcpu_state(void) > > +{ > > + struct arm_smccc_res res; > > + > > + /* To detect the presence of PV time support we require SMCCC 1.1+ */ > > "PV VCPU state support" rather than "PV time support". Indeed. Thanks. [..] > > +static int pv_vcpu_state_register_hooks(void) > > +{ > > + int ret; > > + > > + ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, > > + "hypervisor/arm/pvstate:starting", > > + vcpu_state_init, > > + vcpu_state_release); > > + if (ret < 0) > > + pr_warn("Failed to register CPU hooks\n"); > > Include that it's PV VCPU state hooks? Ack.