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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,URIBL_BLOCKED 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 8D539C1B0D8 for ; Mon, 14 Dec 2020 08:18:12 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 39548207A5 for ; Mon, 14 Dec 2020 08:18:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 39548207A5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AA3CA6E098; Mon, 14 Dec 2020 08:17:42 +0000 (UTC) Received: from hqnvemgate26.nvidia.com (hqnvemgate26.nvidia.com [216.228.121.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 569066EDDA for ; Fri, 11 Dec 2020 12:46:25 +0000 (UTC) Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Fri, 11 Dec 2020 04:46:24 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 11 Dec 2020 12:46:23 +0000 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (104.47.70.103) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Fri, 11 Dec 2020 12:46:23 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ivPyWlQd99r1UrgnSqm6xLgsheC/nra+/7OZjMmKcX3nOaxS8gcLIlUkh6skY596Y9JJzSExzX22EksbUceI88uzkJJRGYBIUfO2pCBm7ElXrwrSfT4aTPaNYsrvvrs/2V0BFMBDdxpBMvIrb6tii87pBlHcnv8KIhnsWN4SbNhwITksms3LV9NibxG2/UkHLmdnVQsaCIAt94MLu4RzTc0cdh4SytcOBMLwcRyXIhnYevFVr4yC7jgLE4boT7D80KIg6aKyo84v++YObG8WVwwVYIkQSvIqlbyskjWd8zTaX89HKrJp97Cmd8aCF5+9mDViYF5jMoImUT6Zd/Q9kA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=RlTOcJjy+tb/vvRXYZ/i4R+Jr2FUjwvOEgszhdE10ps=; b=Ao7oDYly1JU36y8hcl87O0zuf2Fa4T6xAwVLAiOmPfVsAbAKOFdg5VK0js6K3vWHjUUkTrp2HIpf2ch9ZlbpfrkeEwHEcKi5tN+fy4JcZD7RjdNKhDLEqhFGYWX2/DP12m3whyt6o583KeCL4MpEQaq9bYbhfJK2LnVWVNSrQ1Fn93E2UXHKEPzbmELSqN9fwigB3gdT+Fm91cDsxrTAmeYtklyJDptbIw+kOU5kc6XonC6cM22oPY//JDMpxDsISMq2BCgF9X6oMCSwb8aH1q72wNv6BK4njj5YMYT7LWtcEGNZNssaY30Ww7i8uhXLuR+qF1aGydN3ouOlmOKSJw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none Received: from DM6PR12MB3834.namprd12.prod.outlook.com (2603:10b6:5:14a::12) by DM6PR12MB3737.namprd12.prod.outlook.com (2603:10b6:5:1c5::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3632.17; Fri, 11 Dec 2020 12:46:21 +0000 Received: from DM6PR12MB3834.namprd12.prod.outlook.com ([fe80::1ce9:3434:90fe:3433]) by DM6PR12MB3834.namprd12.prod.outlook.com ([fe80::1ce9:3434:90fe:3433%3]) with mapi id 15.20.3654.018; Fri, 11 Dec 2020 12:46:21 +0000 Date: Fri, 11 Dec 2020 08:46:18 -0400 From: Jason Gunthorpe To: Thomas =?utf-8?B?SGVsbHN0csO2bSAoSW50ZWwp?= Subject: Re: Fence wait in mmu_interval_notifier_ops::invalidate Message-ID: <20201211124618.GC552508@nvidia.com> References: <912c29f1-4e17-8b66-419b-1854d03845fd@shipmail.org> <20201209163731.GU552508@nvidia.com> <1b52322f-569e-f523-3baa-ffb822cb72c2@amd.com> <7be4d61e-c82f-6acf-a618-9db29d05094a@shipmail.org> Content-Disposition: inline In-Reply-To: <7be4d61e-c82f-6acf-a618-9db29d05094a@shipmail.org> X-ClientProxiedBy: MN2PR05CA0062.namprd05.prod.outlook.com (2603:10b6:208:236::31) To DM6PR12MB3834.namprd12.prod.outlook.com (2603:10b6:5:14a::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mlx.ziepe.ca (142.162.115.133) by MN2PR05CA0062.namprd05.prod.outlook.com (2603:10b6:208:236::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3676.9 via Frontend Transport; Fri, 11 Dec 2020 12:46:20 +0000 Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1knhoQ-009CDo-S2; Fri, 11 Dec 2020 08:46:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1607690784; bh=5nFZPrsQVooOQ+jIxwW0lHiaHYng3UX1KZ13Tenf0do=; h=ARC-Seal:ARC-Message-Signature:ARC-Authentication-Results:Date: From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:Content-Transfer-Encoding:In-Reply-To: X-ClientProxiedBy:MIME-Version: X-MS-Exchange-MessageSentRepresentingType; b=OILxA1t8t07/iobARPyHh4/JWbOpwIC+Dp1YslQAUshPXKtX2LlM+vu20qVwg2At0 LRXx1aCGJY3o/YKNNOzfd9raX3teTrXYi9lLRZh58jydNbWShyyx0uks5Y87j/6g1f 58llLWgr6MlAEQn+E8svmP3mLN48qOMAQbWG3AKFx8ympOAIyy+nVgpwqpxr6diU1K SHQCvKIxKnGQ0spISNBm0wR1MlQ7Qwd1Xmecoj6DcVBuSKl9EN9+P1f//pzXkNRqem xPnIOLZpu4G7AzSYnkpxxELy3NBee3/nTcyzE1k1pKGDMJOBg+wobLmHjCytVKDZs1 jJjaSRjQKyCfA== X-Mailman-Approved-At: Mon, 14 Dec 2020 08:17:41 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christian =?utf-8?B?S8O2bmln?= , DRI Development Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gRnJpLCBEZWMgMTEsIDIwMjAgYXQgMDg6NTA6NTNBTSArMDEwMCwgVGhvbWFzIEhlbGxzdHLD tm0gKEludGVsKSB3cm90ZToKCj4gTXkgdW5kZXJzdGFuZGluZyBvZiB0aGlzIHBhcnRpY3VsYXIg Y2FzZSBpcyB0aGF0IGhhcmR3YXJlIHdvdWxkIGNvbnRpbnVlIHRvCj4gRE1BIHRvIG9ycGhhbmVk IHBhZ2VzIHRoYXQgYXJlIHBpbm5lZCB1bnRpbCB0aGUgZHJpdmVyIGlzIGRvbmUgd2l0aAo+IERN QSwKCm1tdSBub3RpZmllciByZXBsYWNlcyBwaW5uaW5nIGFzIHRoZSBsb2NraW5nIG1lY2hhbmlz bS4gRHJpdmVycyB1c2luZwptbXUgbm90aWZpZXIgc2hvdWxkIG5vdCBiZSB0YWtpbmcgcGlucy4K CktlZXAgaW4gbWluZCB0aGlzIHdhcyBhbGwgYnVpbHQgZm9yIEhXIHdpdGggcmVhbCBzaGFkb3cg cGFnZSB0YWJsZXMKdGhhdCBjYW4gZG8gZmluZSBncmFpbmVkIG1hbmlwdWxhdGlvbi4KClRoZSBH UFUgdmVyc2lvbiBvZiB0aGlzIHRvIGluc3RlYWQgbWFuaXB1bGF0ZSBhIGNvbW1hbmQgcXVldWUg aXMgYSBiaWcKYWJlcnJhdGlvbiBmcm9tIHdoYXQgd2FzIGludGVuZGVkLgoKSmFzb24KX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxp bmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==