On Tue, 2020-08-25 at 06:23 +0000, Christoph Hellwig wrote: > On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote: > > New Intel laptops with VMD cannot reach deeper power saving state, > > renders very short battery time. > > So what about just disabling VMD given how bloody pointless it is? > Hasn't anyone learned from the AHCI remapping debacle? > > I'm really pissed at all this pointless crap intel comes up with just > to make life hard for absolutely no gain. Is it so hard to just leave > a NVMe device as a standard NVMe device instead of f*^&ing everything > up in the chipset to make OS support a pain and I/O slower than by > doing nothing? Feel free to review my set to disable the MSI remapping which will make it perform as well as direct-attached: https://patchwork.kernel.org/project/linux-pci/list/?series=325681
