Re: [Xen-devel] [PATCH] xen_disk: fix unmapping of persistent grants

2014-11-13 Thread Roger Pau Monné
El 12/11/14 a les 18.41, Stefano Stabellini ha escrit: On Wed, 12 Nov 2014, Roger Pau Monne wrote: This patch fixes two issues with persistent grants and the disk PV backend (Qdisk): - Don't use batch mappings when using persistent grants, doing so prevents unmapping single grants (the

Re: [Xen-devel] [PATCH] xen_disk: fix unmapping of persistent grants

2014-11-13 Thread Kevin Wolf
Am 12.11.2014 um 18:41 hat Stefano Stabellini geschrieben: On Wed, 12 Nov 2014, Roger Pau Monne wrote: This patch fixes two issues with persistent grants and the disk PV backend (Qdisk): - Don't use batch mappings when using persistent grants, doing so prevents unmapping single

[Xen-devel] [PATCH] xen_disk: fix unmapping of persistent grants

2014-11-12 Thread Roger Pau Monne
This patch fixes two issues with persistent grants and the disk PV backend (Qdisk): - Don't use batch mappings when using persistent grants, doing so prevents unmapping single grants (the whole area has to be unmapped at once). - Unmap persistent grants before switching to the closed state,