On 23.05.2024 16:22, Marek Marczykowski-Górecki wrote: > On Wed, May 22, 2024 at 05:39:02PM +0200, Marek Marczykowski-Górecki wrote: >> On older systems, XHCI xcap had a layout that no other (interesting) >> registers >> were placed on the same page as the debug capability, so Linux was fine with >> making the whole page R/O. But at least on Tiger Lake and Alder Lake, Linux >> needs to write to some other registers on the same page too. >> >> Add a generic API for making just parts of an MMIO page R/O and use it to fix >> USB3 console with share=yes or share=hwdom options. More details in commit >> messages. >> >> Marek Marczykowski-Górecki (2): >> x86/mm: add API for marking only part of a MMIO page read only >> drivers/char: Use sub-page ro API to make just xhci dbc cap RO > > Does any other x86 maintainer feel comfortable ack-ing this series? Jan > already reviewed 2/2 here (but not 1/2 in this version),
Which, btw, isn't to mean I'm not going to look at it. But 2/2 was the lower hanging fruit ... Jan > but also said > he is not comfortable with letting this in without a second maintainer > approval: > https://lore.kernel.org/xen-devel/7655e401-b927-4250-ae63-05361a5ee...@suse.com/
