From: Christoph Hellwig <hch@infradead.org>
To: haiyangz@microsoft.com
Cc: bhelgaas@google.com, linux-pci@vger.kernel.org,
kys@microsoft.com, sthemmin@microsoft.com, olaf@aepfle.de,
vkuznets@redhat.com, driverdev-devel@linuxdriverproject.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] pci-hyperv: Use only 16 bit integer for PCI domain
Date: Thu, 25 May 2017 00:56:39 -0700 [thread overview]
Message-ID: <20170525075639.GA25929@infradead.org> (raw)
In-Reply-To: <1495658355-13103-1-git-send-email-haiyangz@exchange.microsoft.com>
On Wed, May 24, 2017 at 01:39:15PM -0700, Haiyang Zhang wrote:
> From: Haiyang Zhang <haiyangz@microsoft.com>
>
> This patch uses the lower 16 bits of the serial number as PCI
> domain, otherwise some drivers may not be able to handle it.
>
> Besides Nvidia drivers, we also found X.org, and DPDK handle
> only 16 bit PCI domain.
And they will all break behind VMD for example, so NAK. Linux domains
are 32 bits.
next prev parent reply other threads:[~2017-05-25 7:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-24 20:39 [PATCH] pci-hyperv: Use only 16 bit integer for PCI domain Haiyang Zhang
2017-05-24 20:43 ` Haiyang Zhang
[not found] ` <20170525141955.6cee8fbb@alans-desktop>
2017-05-25 15:52 ` Stephen Hemminger
2017-05-25 7:56 ` Christoph Hellwig [this message]
2017-06-19 21:07 ` Bjorn Helgaas
2017-06-19 21:10 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2017-04-20 16:35 Haiyang Zhang
2017-04-20 18:33 ` Bjorn Helgaas
2017-04-20 18:37 ` Haiyang Zhang
2017-04-20 19:12 ` Christoph Hellwig
2017-04-24 23:06 ` John Hubbard
2017-04-25 13:00 ` Dan Carpenter
2017-04-25 13:14 ` Christoph Hellwig
2017-04-25 18:19 ` John Hubbard
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