On Tue, Nov 15, 2016 at 10:52 AM, Christoph Hellwig <hch@xxxxxx> wrote: > As it's been a few weeks since this initial posting: What's the > status of either getting the magic chipset handshake mode published > to take the chipset out of this degraded mode, or implementing a bridge > driver like VMD? The setting is done via write-once registers (once per reset), so there is no mechanism for an OS to undo it. > It seems devices supporting this "slow down the devices and make life > hell for the OS" mode are getting more common, so we'll have to do > something about it. To my knowledge all platforms that ship this configuration now already ship a BIOS, or have an updated BIOS available, that allows the platform to be placed into AHCI mode. Setting the controller to AHCI mode is the best option for running Linux on these systems. -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
