Re: [PATCH v2 6/6] x86/hvm: reduce the need to flush caches in memory_type_changed()

[Jan Beulich <jbeulich@xxxxxxxx>]

On 19.05.2025 13:08, Roger Pau Monné wrote:
> On Sun, May 18, 2025 at 01:44:49PM +0200, Jan Beulich wrote:
>> On 16.05.2025 11:45, Roger Pau Monne wrote:
>>> Not sure whether this attempt to reduce cache flushing should get some
>>> mention in the CHANGELOG.
>>
>> Err on the side of adding an entry there?
> 
> Oleksii would you be fine with me adding:
> 
> diff --git a/CHANGELOG.md b/CHANGELOG.md
> index 1ea06524db20..fa971cd9e6ee 100644
> --- a/CHANGELOG.md
> +++ b/CHANGELOG.md
> @@ -11,6 +11,9 @@ The format is based on [Keep a 
> Changelog](https://keepachangelog.com/en/1.0.0/)
>     - For x86, GCC 5.1 and Binutils 2.25, or Clang/LLVM 11
>     - For ARM32 and ARM64, GCC 5.1 and Binutils 2.25
>   - Linux based device model stubdomains are now fully supported.
> + - On x86:
> +   - Restrict the cache flushing done in memory_type_changed() to improve
> +     performance.

Maybe better to mention function names here, saying "after a memory type change
by a guest" instead?

Jan