Re: [PATCH v1] xen/pvcalls: free active map buffer on pvcalls_front_free_map

2023-01-10 Thread Juergen Gross
On 20.12.22 15:50, Oleksii Moisieiev wrote: Data buffer for active map is allocated in alloc_active_ring and freed in free_active_ring function, which is used only for the error cleanup. pvcalls_front_release is calling pvcalls_front_free_map which ends foreign access for this buffer, but

Re: [PATCH v1] xen/pvcalls: free active map buffer on pvcalls_front_free_map

2022-12-22 Thread Stefano Stabellini
On Tue, 20 Dec 2022, Oleksii Moisieiev wrote: > Data buffer for active map is allocated in alloc_active_ring and freed > in free_active_ring function, which is used only for the error > cleanup. pvcalls_front_release is calling pvcalls_front_free_map which > ends foreign access for this buffer,

[PATCH v1] xen/pvcalls: free active map buffer on pvcalls_front_free_map

2022-12-20 Thread Oleksii Moisieiev
Data buffer for active map is allocated in alloc_active_ring and freed in free_active_ring function, which is used only for the error cleanup. pvcalls_front_release is calling pvcalls_front_free_map which ends foreign access for this buffer, but doesn't free allocated pages. Call free_active_ring