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

Juergen Gross
2023-09-15T05:32:24Z

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On 15.09.23 03:16, andrew.cooper3@citrix.com wrote:
> 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.

Indeed.

Unfortunately there is probably some objtool support needed for that, which I'm
not sure how to implement.

Juergen

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