Re: [PATCH v2 0/4] Initial BBML2 support for contpte_convert()

[David Hildenbrand]

On 28.02.25 19:24, Mikołaj Lenczewski wrote:
> Hi All,
>
> This patch series adds adding initial support for eliding
> break-before-make requirements on systems that support BBML2 and
> additionally guarantee to never raise a conflict abort.
>
> This support reorders and optionally elides a TLB invalidation in
> contpte_convert(). The elision of said invalidation leads to a 12%
> improvement when executing a microbenchmark designed to force the
> pathological path where contpte_convert() gets called. This
> represents an 80% reduction in the cost of calling contpte_convert().

Just a general comment: Nice! :)

--
Cheers,

David / dhildenb