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From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: "Christian König" <christian.koenig@amd.com>,
	helgaas@kernel.org, linux-pci@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	amd-gfx@lists.freedesktop.org,
	xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH v9 4/5] x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 30h-3fh) Processors v5
Date: Tue, 28 Nov 2017 13:55:58 -0500	[thread overview]
Message-ID: <cb0d5830-11dd-57b8-606b-7eca560cfcc7@oracle.com> (raw)
In-Reply-To: <0ab28334-3ccc-2a93-9991-396ee01a3662@amd.com>

On 11/28/2017 04:12 AM, Christian König wrote:
>
>
> How about the attached patch? It limits the newly added MMIO space to
> the upper 256GB of the address space. That should still be enough for
> most devices, but we avoid both issues with Xen dom0 as most likely
> problems with memory hotplug as well.

It certainly makes the problem to be less likely so I guess we could do
this for now.

Thanks.
-boris

  parent reply	other threads:[~2017-11-28 18:56 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-18 13:58 Resizable PCI BAR support V9 Christian König
2017-10-18 13:58 ` [PATCH v9 1/5] PCI: add a define for the PCI resource type mask v2 Christian König
2017-10-18 13:58 ` [PATCH v9 2/5] PCI: add resizeable BAR infrastructure v5 Christian König
2017-10-18 13:58 ` [PATCH v9 3/5] PCI: add functionality for resizing resources v7 Christian König
2017-10-18 13:58 ` [PATCH v9 4/5] x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 30h-3fh) Processors v5 Christian König
2017-11-02 16:43   ` Alex Deucher
2017-11-20 15:51   ` Boris Ostrovsky
2017-11-20 16:07     ` Christian König
2017-11-20 16:33       ` Boris Ostrovsky
2017-11-21 13:34         ` Christian König
2017-11-21 22:26           ` Boris Ostrovsky
2017-11-22 10:09             ` Christian König
2017-11-22 16:24               ` Boris Ostrovsky
2017-11-22 16:54                 ` Christian König
2017-11-22 17:27                   ` Boris Ostrovsky
2017-11-23  8:11                     ` Christian König
2017-11-23 14:12                       ` Boris Ostrovsky
2017-11-27 18:30                         ` Boris Ostrovsky
2017-11-28  9:12                           ` Christian König
2017-11-28  9:46                             ` [Xen-devel] " Jan Beulich
2017-11-28 10:17                               ` Christian König
2017-11-28 10:53                                 ` Jan Beulich
2017-11-28 11:59                                   ` Christian König
2017-11-28 18:55                             ` Boris Ostrovsky [this message]
2017-10-18 13:58 ` [PATCH v9 5/5] drm/amdgpu: resize VRAM BAR for CPU access v5 Christian König
2017-10-24 19:44 ` Resizable PCI BAR support V9 Bjorn Helgaas
2017-10-25 11:27   ` Christian König

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