Re: [Xen-devel] [PATCH for-next 06/16] xen/arm: Extend copy_to_guest to support copying from/to guest physical address

2017-12-08 Thread Stefano Stabellini
On Fri, 8 Dec 2017, Julien Grall wrote: > Hi Stefano, > > On 07/12/17 23:01, Stefano Stabellini wrote: > > On Wed, 6 Dec 2017, Julien Grall wrote: > > > Hi Stefano, > > > > > > On 12/06/2017 01:22 AM, Stefano Stabellini wrote: > > > > On Thu, 23 Nov 2017, Julien Grall wrote: > > > > > The only di

Re: [Xen-devel] [PATCH for-next 06/16] xen/arm: Extend copy_to_guest to support copying from/to guest physical address

2017-12-08 Thread Julien Grall
Hi Stefano, On 07/12/17 23:01, Stefano Stabellini wrote: On Wed, 6 Dec 2017, Julien Grall wrote: Hi Stefano, On 12/06/2017 01:22 AM, Stefano Stabellini wrote: On Thu, 23 Nov 2017, Julien Grall wrote: The only differences between copy_to_guest and access_guest_memory_by_ipa are: - The l

Re: [Xen-devel] [PATCH for-next 06/16] xen/arm: Extend copy_to_guest to support copying from/to guest physical address

2017-12-07 Thread Stefano Stabellini
On Wed, 6 Dec 2017, Julien Grall wrote: > Hi Stefano, > > On 12/06/2017 01:22 AM, Stefano Stabellini wrote: > > On Thu, 23 Nov 2017, Julien Grall wrote: > > > The only differences between copy_to_guest and access_guest_memory_by_ipa > > > are: > > > - The latter does not support copying data

Re: [Xen-devel] [PATCH for-next 06/16] xen/arm: Extend copy_to_guest to support copying from/to guest physical address

2017-12-06 Thread Julien Grall
Hi Stefano, On 12/06/2017 01:22 AM, Stefano Stabellini wrote: On Thu, 23 Nov 2017, Julien Grall wrote: The only differences between copy_to_guest and access_guest_memory_by_ipa are: - The latter does not support copying data crossing page boundary - The former is copying from/to guest

Re: [Xen-devel] [PATCH for-next 06/16] xen/arm: Extend copy_to_guest to support copying from/to guest physical address

2017-12-05 Thread Stefano Stabellini
On Tue, 5 Dec 2017, Stefano Stabellini wrote: > On Thu, 23 Nov 2017, Julien Grall wrote: > > The only differences between copy_to_guest and access_guest_memory_by_ipa > > are: > > - The latter does not support copying data crossing page boundary > > - The former is copying from/to guest VA

Re: [Xen-devel] [PATCH for-next 06/16] xen/arm: Extend copy_to_guest to support copying from/to guest physical address

2017-12-05 Thread Stefano Stabellini
On Thu, 23 Nov 2017, Julien Grall wrote: > The only differences between copy_to_guest and access_guest_memory_by_ipa are: > - The latter does not support copying data crossing page boundary > - The former is copying from/to guest VA whilst the latter from > guest PA > > copy_to_guest c

[Xen-devel] [PATCH for-next 06/16] xen/arm: Extend copy_to_guest to support copying from/to guest physical address

2017-11-23 Thread Julien Grall
The only differences between copy_to_guest and access_guest_memory_by_ipa are: - The latter does not support copying data crossing page boundary - The former is copying from/to guest VA whilst the latter from guest PA copy_to_guest can easily be extended to support copying from/to gues