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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 110FCC4742C for ; Thu, 29 Oct 2020 21:09:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A586E21D24 for ; Thu, 29 Oct 2020 21:09:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604005773; bh=md/yxiXBCp+bY6aWAkEWs1aEmMQAJ/pIyKT56uFmYnQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=J/se7ZZc+kvKT3SB+0nkD7EL4M4fSg8QaALusKgibpz/hVrT0/wv0q4svduVbLD6Q /ZKilL2wWSHAhwKcAmxRcTBm/DwLqLCe8Cxlc0ohN6SG+0OA+nbojAA/PMwsE3Mjm3 uof09teBUFKkHFAzDzha4gzbkjtHaINGsC3JOpo4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726711AbgJ2VJ3 (ORCPT ); Thu, 29 Oct 2020 17:09:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:53064 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726200AbgJ2VJ2 (ORCPT ); Thu, 29 Oct 2020 17:09:28 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 233742087D; Thu, 29 Oct 2020 21:09:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604005767; bh=md/yxiXBCp+bY6aWAkEWs1aEmMQAJ/pIyKT56uFmYnQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B9CtSTBIWxKLYc6r46/Jz1kFl1zGDRzNZOCAxl5fxVJm6IMfP9jm9pgd/ZZP+HX2w GZx7fKhXj2vVhCqi0gFhqfG+FfzAGuFwE4HadWrUFyk76Ob26MCXD/o4GIuw7Ce6Au CIVnNVbty5Fz/6o6TG9C13zmI2YakIQzPKfe65fA= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=wait-a-minute.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1kYFAj-005YNy-90; Thu, 29 Oct 2020 21:09:25 +0000 From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, Gavin Shan , Santosh Shukla , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: shan.gavin@gmail.com, will@kernel.org, suzuki.poulose@arm.com, mcrossley@nvidia.com, kwankhede@nvidia.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, cjia@nvidia.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2 0/1] KVM: arm64: fix the mmio faulting Date: Thu, 29 Oct 2020 21:09:16 +0000 Message-Id: <160400571841.9348.6030696223991954457.b4-ty@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <1603711447-11998-1-git-send-email-sashukla@nvidia.com> References: <1603711447-11998-1-git-send-email-sashukla@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: kvmarm@lists.cs.columbia.edu, gshan@redhat.com, sashukla@nvidia.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, shan.gavin@gmail.com, will@kernel.org, suzuki.poulose@arm.com, mcrossley@nvidia.com, kwankhede@nvidia.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, cjia@nvidia.com, linux-arm-kernel@lists.infradead.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 26 Oct 2020 16:54:06 +0530, Santosh Shukla wrote: > Description of the Reproducer scenario as asked in the thread [1]. > > Tried to create the reproducer scenario with vfio-pci driver using > nvidia GPU in PT mode, As because vfio-pci driver now supports > vma faulting (/vfio_pci_mmap_fault) so could create a crude reproducer > situation with that. > > [...] Applied to next, thanks! [1/1] KVM: arm64: Force PTE mapping on fault resulting in a device mapping commit: 91a2c34b7d6fadc9c5d9433c620ea4c32ee7cae8 Cheers, M. -- Without deviation from the norm, progress is not possible.