Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

[Christian KÃnig]

Am 09.01.2018 um 19:38 schrieb Bjorn Helgaas:
> I don't like to add new parameters because I think it's an
> unreasonable burden on users and it makes it hard for distros, but I
> understand the desire to use this functionality.  What would you think
> of adding a "pci=big_root_window" parameter that logs an info message
> and taints the kernel with TAINT_FIRMWARE_WORKAROUND?  Then there's at
> least some clue that we're in uncharted territory.

Done, patches for this are in your inbox.

Additionally to that I cleaned up the 256GB patch a bit more, e.g. added 
a comment where the 0xfd00000000 limit comes from and updated the commit 
message.

Please review and/or comment,
Christian.