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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 3A2F3C433FF for ; Mon, 5 Aug 2019 12:27:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 088E521874 for ; Mon, 5 Aug 2019 12:27:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=brainfault-org.20150623.gappssmtp.com header.i=@brainfault-org.20150623.gappssmtp.com header.b="w4+AecEm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728713AbfHEM1g (ORCPT ); Mon, 5 Aug 2019 08:27:36 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:40013 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728513AbfHEM1f (ORCPT ); Mon, 5 Aug 2019 08:27:35 -0400 Received: by mail-wr1-f67.google.com with SMTP id r1so84178536wrl.7 for ; Mon, 05 Aug 2019 05:27:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brainfault-org.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9vjnriQzTp+3fhGfRWD4sJQPpUsfPg2DbYoNAsu2SiI=; b=w4+AecEmFQ/isfLzRPwHz/5MZljTohJlWFNeug8MdHi82X9VKPhe2ZyRzjWlJCvepw kiniiAn5l66EGF3UK+orcy9NcLV/dmSLcCGmna4yi0GF+i5dlXhqrxaPH9KubY6FHjLD 99EpBHJsVCkZSJoOyTaWRD/ilyziUyk+nwPk0RUQNGwqFtyKJh13sW08S3edQKCVQCth hXeCoblZKRkBPCTcvTHLXaFhtdFGztMlOBo56CnAVX+z7v0wWKGwWN9zmif9kthuQeXJ pVWvaRXUT6j8dcd4c9QdaTp337ImgbfM8u4W9iSkzJGgF+BBdaFvp1PMRW7Na8yEVZk+ giDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9vjnriQzTp+3fhGfRWD4sJQPpUsfPg2DbYoNAsu2SiI=; b=UO1LDSAvBjZq0XdYPrO/1DkGjSojdfz/fLQtF8KJ2jGc2fjGS4tYTmHc7l5unSfV2e iGvCQt7OP8qiVkp2oNhwXHd583b7f4iq0+DcUCQSHIS5HtdCAamS9i47t0rfGxctPtJ4 Ev9SMc1KgXlYC0KeEYc7dd6keiOjQ9JP+hPaWr2d8f35o9u6/KlvMyKPjXe9HIx6K20/ 6eIzE7Wk+Og9zIqcq9R7B53/HndyBWiIEjl7ZdXaziohvW/KdWA91Cosdu8PsAjPTF97 10SZP1GB2oIHwbdEr1vBs0jUCGfUs5pVKJdjvAO9Na0rGD1Rhp0t+cidhiK2HmMk+jxp qcsQ== X-Gm-Message-State: APjAAAX071gCy0Q6kwd6y0OQ6wmXYnKp47O8LWBZXzLD3a5PF9V6v3+e pdxGzyMtOGPLvfsXRDkIBtePbK9JBOddus35/wA= X-Google-Smtp-Source: APXvYqz/HgV3blyNJGsp03Z7QumAb6XXL7e/qsJ596wIug7Wl/foiSB6qgn4qCCaL+3bGAF5TklCThDKf6RqGhrKNGc= X-Received: by 2002:adf:b1cb:: with SMTP id r11mr152697746wra.328.1565008052530; Mon, 05 Aug 2019 05:27:32 -0700 (PDT) MIME-Version: 1.0 References: <20190802074620.115029-1-anup.patel@wdc.com> <20190802074620.115029-7-anup.patel@wdc.com> <98eaa917-8270-ecdc-2420-491ed1c903d8@redhat.com> In-Reply-To: <98eaa917-8270-ecdc-2420-491ed1c903d8@redhat.com> From: Anup Patel Date: Mon, 5 Aug 2019 17:57:20 +0530 Message-ID: Subject: Re: [RFC PATCH v2 06/19] RISC-V: KVM: Implement VCPU interrupts and requests handling To: Paolo Bonzini Cc: Anup Patel , Palmer Dabbelt , Paul Walmsley , Radim K , Daniel Lezcano , Thomas Gleixner , Atish Patra , Alistair Francis , Damien Le Moal , Christoph Hellwig , "kvm@vger.kernel.org" , "linux-riscv@lists.infradead.org" , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 2, 2019 at 1:47 PM Paolo Bonzini wrote: > > On 02/08/19 09:47, Anup Patel wrote: > > + /* VCPU interrupts */ > > + unsigned long irqs_pending; > > + unsigned long irqs_pending_mask; > > + > > This deserves a comment on the locking policy (none for producer, > vcpu_lock for consumers). Yes, I will certainly add comments about our approach in asm/kvm_host.h Regards, Anup