From nobody Mon Feb 9 14:38:08 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=quarantine dis=none) header.from=suse.com ARC-Seal: i=1; a=rsa-sha256; t=1612608617; cv=none; d=zohomail.com; s=zohoarc; b=YkNo99Qz1W6RvR1eliKc5KYE2GhFOm7JPkDp9b/6mRyqVQCLCbqQjOpwIviDh1W95FgdSZV4wedi4XxJrkmsDrpHOV3OWxVdNgmama4kH41GzENGT1zYf4Dj8GNyRPDiTcy1BnVxTJR8E1ffFqoKCFzjYRmdw/dcpVvSqPCOVvU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1612608617; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=VlVL2Y2ASTFVpwcU4SmdSz79vlZWGd1T5oGBYzvUtKQ=; b=UTZpZHoHC2/0l3gQ9MBE3zBJwMPSUS84uerpN30NnGuir1Og748rg/junnUS3r4zbJ/4u/nwRnCrWK1J6pt3ZVrOzw5pQqu9u9Yv+ttiDEDRNfJoFSXE5E91sazGhEgci2nIKeMMUDcH4Hwne+UquQE2CrYc1g6H1E0Z8m175P0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=quarantine dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1612608617708382.2841398040574; Sat, 6 Feb 2021 02:50:17 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.82122.151787 (Exim 4.92) (envelope-from ) id 1l8LA3-0005YM-ED; Sat, 06 Feb 2021 10:49:55 +0000 Received: by outflank-mailman (output) from mailman id 82122.151787; Sat, 06 Feb 2021 10:49:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1l8LA3-0005Y3-7O; Sat, 06 Feb 2021 10:49:55 +0000 Received: by outflank-mailman (input) for mailman id 82122; Sat, 06 Feb 2021 10:49:53 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1l8LA1-0005VY-IM for xen-devel@lists.xenproject.org; Sat, 06 Feb 2021 10:49:53 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 22f2ff8f-1608-4480-8ae5-8185a34135e6; Sat, 06 Feb 2021 10:49:47 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 1DFC9AD78; Sat, 6 Feb 2021 10:49:47 +0000 (UTC) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 22f2ff8f-1608-4480-8ae5-8185a34135e6 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1612608587; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VlVL2Y2ASTFVpwcU4SmdSz79vlZWGd1T5oGBYzvUtKQ=; b=CaAOHRpv7RYB3U4+TM6JjEfbGxTHtF6cA58Si23ab7AwqoG6YglxUsLmvFuf0c94PPFVIm SpAadYtJiVApk9QAnqoPFKPJPHt+6euf4qwQg6uIr8CsiyoWiW+qlFD/zWnyEkhfhkHS8b Gs1DtsywWPRDSXVKB3DIktuDeZYkblE= From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Boris Ostrovsky , Stefano Stabellini , stable@vger.kernel.org Subject: [PATCH 3/7] xen/events: fix lateeoi irq acknowledgment Date: Sat, 6 Feb 2021 11:49:28 +0100 Message-Id: <20210206104932.29064-4-jgross@suse.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210206104932.29064-1-jgross@suse.com> References: <20210206104932.29064-1-jgross@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) Content-Type: text/plain; charset="utf-8" When having accepted an irq as result from receiving an event the related event should be cleared. The lateeoi model is missing that, resulting in a continuous stream of events being signalled. Fixes: 54c9de89895e0a ("xen/events: add a new late EOI evtchn framework") Cc: stable@vger.kernel.org Signed-off-by: Juergen Gross --- drivers/xen/events/events_base.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_b= ase.c index 6a836d131e73..7b26ef817f8b 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -1826,6 +1826,7 @@ static void lateeoi_ack_dynirq(struct irq_data *data) if (VALID_EVTCHN(evtchn)) { info->eoi_pending =3D true; mask_evtchn(evtchn); + clear_evtchn(evtchn); } } =20 @@ -1838,6 +1839,7 @@ static void lateeoi_mask_ack_dynirq(struct irq_data *= data) info->masked =3D true; info->eoi_pending =3D true; mask_evtchn(evtchn); + clear_evtchn(evtchn); } } =20 --=20 2.26.2