On Fri, 2012-04-13 at 08:14 +0800, xiong wrote: > in some platforms, we found the max-read-request-size in Device Control > Register is set to 0 by (BIOS?) during bootup, this will cause the > performance(throughput) very bad. > Restore it to a min-value. > register definition of REG_DEVICE_CTRL is refined as well. [...] I'm guessing this memory-mapped register is an alias for the PCIe device control register. I think you should be using pcie_set_readrq() to ensure that the final setting conforms to the device's Max Payload Size and system policy. Ben. -- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
