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Date: Thu, 24 Jan 2013 10:20:47 +0800 From: Yijing Wang <wangyijing@...wei.com> To: Randy Dunlap <rdunlap@...radead.org> CC: Rob Landley <rob@...dley.net>, Bjorn Helgaas <bhelgaas@...gle.com>, <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Jon Mason <jdmason@...zu.us>, <linux-pci@...r.kernel.org>, Andrew Murray <andrew.murray@....com>, Hanjun Guo <guohanjun@...wei.com>, <jiang.liu@...wei.com> Subject: Re: [Update][PATCH] PCI: Document PCIE BUS MPS parameters On 2013/1/24 10:02, Randy Dunlap wrote: > On 01/23/13 17:55, Yijing Wang wrote: >> Hi Randy, >> Thanks for your review and comments! please refer to inlined comments below. >> >> On 2013/1/24 7:39, Randy Dunlap wrote: >>> On 01/23/13 04:28, Yijing Wang wrote: > >>> >>> What is (are) MRRS? >> >> MRRS is "Max Read Request Size" and MPS is "Max Payload Size". >> Need use "Max Read Request Size" instead of MRRS ? > > Where is MRRS documented? The description of MRRS can be found at PCIe Spec 2.0/3.0 7.8.4 Device Control Register. > > I would probably do it like so: > > Also set MRRS (Max Read Request Size) to the .... Hmm, I will explain MPS and MRRS when they appear first time like, pcie_bus_tune_off Disable PCIe MPS (Max Payload Size) turning and using the BIOS-configured MPS defaults. pcie_bus_perf ......Also set MRRS (Max Read Request Size) to the...... Thanks! Yijing > -- Thanks! Yijing -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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