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

2025-04-25 Thread Philippe Mathieu-Daudé
On 25/4/25 16:31, Edgar E. Iglesias wrote: From: "Edgar E. Iglesias" 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 a

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

2025-04-25 Thread Stefano Stabellini
On Fri, 25 Apr 2025, Edgar E. Iglesias wrote: > From: "Edgar E. Iglesias" > > 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 mapcac

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

2025-04-25 Thread Edgar E. Iglesias
From: "Edgar E. Iglesias" 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 w