[PATCH] eal/x86: cache queried CPU flags

[David Marchand]

On Mon, Oct 7, 2024 at 1:07 PM Bruce Richardson
<bruce.richardson at intel.com> wrote:
>
> Rather than re-querying the HW each time a CPU flag is requested, we can
> just save the return value in the flags array. This should speed up
> repeated querying of CPU flags, and provides a workaround for a reported
> issue where errors are seen with constant querying of the AVX-512 CPU
> flag from a non-AVX VM.

This could be applied to other arches cpuflag implementation.
Copying other arches maintainers as a fyi.

>
> Bugzilla Id: 1501

Bugzilla ID*

>
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>

I did a quick pass, it lgtm.


-- 
David Marchand