Re: [PATCH v1 1/1] xen: mapcache: Split mapcache_grants by ro and rw

[Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>]

On 25/4/25 16:31, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@xxxxxxx>
>
> Today, we don't track write-abiliy in the cache, if a user
> requests a readable mapping followed by a writeable mapping
> on the same page, the second lookup will incorrectly hit
> the readable entry.
>
> Split mapcache_grants by ro and rw access. Grants will now
> have separate ways in the cache depending on writeability.
>
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xxxxxxx>
> ---
>   hw/xen/xen-mapcache.c | 26 +++++++++++++++++++-------
>   1 file changed, 19 insertions(+), 7 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>