Re: [Xen-devel] [PATCH v3 3/4] xen/mapcache: introduce xen_replace_cache_entry()

2017-07-18 Thread Stefano Stabellini
On Mon, 10 Jul 2017, Igor Druzhinin wrote: > This new call is trying to update a requested map cache entry > according to the changes in the physmap. The call is searching > for the entry, unmaps it and maps again at the same place using > a new guest address. If the mapping is dummy this call

Re: [Xen-devel] [PATCH v3 3/4] xen/mapcache: introduce xen_replace_cache_entry()

2017-07-11 Thread Paul Durrant
> -Original Message- > From: Igor Druzhinin > Sent: 11 July 2017 00:40 > To: xen-de...@lists.xenproject.org; qemu-de...@nongnu.org > Cc: Igor Druzhinin ; sstabell...@kernel.org; > Anthony Perard ; Paul Durrant >

[Xen-devel] [PATCH v3 3/4] xen/mapcache: introduce xen_replace_cache_entry()

2017-07-10 Thread Igor Druzhinin
This new call is trying to update a requested map cache entry according to the changes in the physmap. The call is searching for the entry, unmaps it and maps again at the same place using a new guest address. If the mapping is dummy this call will make it real. This function makes use of a new