On 06.05.2025 18:51, Oleksii Kurochko wrote:
> The this_isa bitmap should be explicitly initialized to zero to avoid
> false positives when detecting supported ISA extensions. Without proper
> zero-initialization, the bitmap may retain non-zero values from
> uninitialized memory, causing Xen to incorrectly assume that certain
> extensions are supported.
Why "uninitialized" together with "retain values". Yes, the variable is
indeed uninitialized, like any automatic ones are when they don't have
an initializer. I'm not going to request re-wording, but to me the
above read as if you were concerned of a static variable ...
> This change ensures reliable detection of ISA capabilities.
>
> Fixes: 0c2f717eae ("xen/riscv: identify specific ISA supported by cpu")
> Signed-off-by: Oleksii Kurochko <oleksii.kuroc...@gmail.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com>
