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Subject: Re: [PATCH V2] PCI: enable extended tags support for PCIe devices
Cc: Bjorn Helgaas <bhelgaas@google.com>, linux-pci@vger.kernel.org,
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From: Sinan Kaya <okaya@codeaurora.org>
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Date: Fri, 20 Jan 2017 09:36:45 -0500
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On 1/20/2017 9:16 AM, Sinan Kaya wrote:
> Each PCIe device can issue up to 32 transactions at a time by default.
> This limitation is historically coming from PCI. Each transaction is
> tracked by a tag number on the bus. 2.2.6.2. Transaction Descriptor
> – Transaction ID Field section of the PCIe 3.1 specification describes
> extended tags.
> 

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