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

From: Juergen Gross
Date: Fri Sep 15 2023 - 01:32:24 EST


On 15.09.23 03:16, andrew.cooper3@xxxxxxxxxx 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@xxxxxxxx/

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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