Re: [PATCH v10 03/38] x86/msr: Add the WRMSRNS instruction support

andrew.cooper3
2023-09-15T01:16:56Z

On 15/09/2023 2:01 am, H. Peter Anvin wrote:
> The whole bit with alternatives and pvops being separate is a major
> maintainability problem, and honestly it never made any sense in the
> first place. Never have two mechanisms to do one job; it makes it
> harder to grok their interactions.

This bit is easy.

Juergen has already done the work to delete one of these two patching
mechanisms and replace it with the other.

https://lore.kernel.org/lkml/a32e211f-4add-4fb2-9e5a-480ae9b9bbf2@suse.com/

Unfortunately, it's only collecting pings and tumbleweeds.

~Andrew