Re: [PATCH 3/9] xen/gnttab: limit cache flush operation to guests allowed cache control

2025-05-12 Thread Jan Beulich
On 06.05.2025 12:40, Roger Pau Monné wrote: > On Tue, May 06, 2025 at 11:15:09AM +0100, Julien Grall wrote: >> On 06/05/2025 09:31, Roger Pau Monne wrote: >>> Whether a domain is allowed to issue cache-control operations is reported >>> by the cache_flush_permitted() check. Introduce such check to

Re: [PATCH 3/9] xen/gnttab: limit cache flush operation to guests allowed cache control

2025-05-06 Thread Roger Pau Monné
On Tue, May 06, 2025 at 11:15:09AM +0100, Julien Grall wrote: > Hi Roger, > > On 06/05/2025 09:31, Roger Pau Monne wrote: > > Whether a domain is allowed to issue cache-control operations is reported > > by the cache_flush_permitted() check. Introduce such check to limit the > > availability of G

Re: [PATCH 3/9] xen/gnttab: limit cache flush operation to guests allowed cache control

2025-05-06 Thread Julien Grall
Hi Roger, On 06/05/2025 09:31, Roger Pau Monne wrote: Whether a domain is allowed to issue cache-control operations is reported by the cache_flush_permitted() check. Introduce such check to limit the availability of GNTTABOP_cache_flush to only guests that are granted cache control. Can you o

[PATCH 3/9] xen/gnttab: limit cache flush operation to guests allowed cache control

2025-05-06 Thread Roger Pau Monne
Whether a domain is allowed to issue cache-control operations is reported by the cache_flush_permitted() check. Introduce such check to limit the availability of GNTTABOP_cache_flush to only guests that are granted cache control. Fixes: 18e8d22fe750 ("introduce GNTTABOP_cache_flush") Signed-off-b