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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 BB788C3F2D1 for ; Fri, 28 Feb 2020 10:35:58 +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 8227320665 for ; Fri, 28 Feb 2020 10:35:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cE55ZvCr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8227320665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45100 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j7czt-00085a-M6 for qemu-devel@archiver.kernel.org; Fri, 28 Feb 2020 05:35:57 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60669) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j7cys-000785-Qy for qemu-devel@nongnu.org; Fri, 28 Feb 2020 05:34:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j7cyr-0008Mv-4T for qemu-devel@nongnu.org; Fri, 28 Feb 2020 05:34:54 -0500 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:44174 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j7cyp-0008MK-Jl for qemu-devel@nongnu.org; Fri, 28 Feb 2020 05:34:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582886091; 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=qAR3RpoqGnkINoviA1d7W2jJYb67of4WLZtMwjT9FP8=; b=cE55ZvCrDnht/XMPkKaa0zJtfl7L80BuS+975LmC8pqzMRyejKy6ifwA7RLXi3s3b2u8I/ AwRRXyzMqFbhV5sGKlzo9vr0QlZS5NeYdJBn8XzUkLjyXZKsIX/lil+KglhMZwkWiREEi8 vQolK4M5kdLsfZ0cgd2MubqiKj5P6qo= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-134-6dFkZavRPVK6Dl-2r-J4dg-1; Fri, 28 Feb 2020 05:34:49 -0500 X-MC-Unique: 6dFkZavRPVK6Dl-2r-J4dg-1 Received: by mail-wm1-f71.google.com with SMTP id r19so988614wmh.1 for ; Fri, 28 Feb 2020 02:34:48 -0800 (PST) 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=qAR3RpoqGnkINoviA1d7W2jJYb67of4WLZtMwjT9FP8=; b=F2Gz3yMlaxKMF7jot0Ei97ucaErxE7fgkFdkuIN5XkbTYgHlKlok9C2jh56iJDCuTW d7DnxjKi4mTS85s0et288SHMafkMbX9Rj9SLdk1DC8U926npV5hp0lx+BNJu3smLD+Mh h4Utt859xF67GQkmFR0V1BTWLpdD1Q/FJUD1tEnXTaTm+k+hAvWeDc2h9r2jxquYv1xa sdPdrmE/tNo/FiwbXXSUmvYHHxFfrkWBlcYi2Xcb5AyD5VOzHpZQZhGUgtSmuWjj4zcJ qiY3nM1BalNxv8OxgVUxI5Ljenmx7l6i+VkpCeizCXGnTT2vRLjUuybGq+u9osRfW+4w 10JA== X-Gm-Message-State: APjAAAUqsIBR4jF5CI1xKmMbqsybr2puDKkrCFcJjVB+Cg6Mzm6+y+bi 2yl2wizHXQ6OTMl/pfP/fvF2uBiZf9yDKfg2FsaRrkN6FVVfIxG4jrJuM0RmoZxKNiwmykMRXfk CcWsxAQc9XQUoQe8= X-Received: by 2002:adf:b6a2:: with SMTP id j34mr4386390wre.277.1582886087892; Fri, 28 Feb 2020 02:34:47 -0800 (PST) X-Google-Smtp-Source: APXvYqwFcl44+DmpP7Rd0GJStqOUSAj0Qmw5GES39SZIpxWYqcHOGl95RT5sBpkDmekdS9HtmBDvCA== X-Received: by 2002:adf:b6a2:: with SMTP id j34mr4386370wre.277.1582886087626; Fri, 28 Feb 2020 02:34:47 -0800 (PST) Received: from ?IPv6:2001:b07:6468:f312:d0d9:ea10:9775:f33f? ([2001:b07:6468:f312:d0d9:ea10:9775:f33f]) by smtp.gmail.com with ESMTPSA id h17sm12262758wro.52.2020.02.28.02.34.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Feb 2020 02:34:47 -0800 (PST) Subject: Re: [PATCH 4/5] KVM: Kick resamplefd for split kernel irqchip To: Peter Xu , qemu-devel@nongnu.org References: <20200226225510.217077-1-peterx@redhat.com> From: Paolo Bonzini Message-ID: <0c8147b1-ee26-cd5d-1592-f07371feaeb8@redhat.com> Date: Fri, 28 Feb 2020 11:34:46 +0100 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: <20200226225510.217077-1-peterx@redhat.com> Content-Language: en-US X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 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: Eric Auger , Alex Williamson , Cornelia Huck Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 26/02/20 23:55, Peter Xu wrote: > + > + /* Kick resamplefd if KVM is bypassed */ > + kvm_resample_fd_notify(n); This is only needed for level-triggered interrupts, so it can be placed below the test. Paolo > + if (((entry >> IOAPIC_LVT_TRIGGER_MODE_SHIFT) & 1) != > + IOAPIC_TRIGGER_LEVEL) { > continue;