Re: [Xen-devel] [PATCH v2 4/8] xen/memguard: Drop memguard_init() entirely

2016-02-24 Thread Stefano Stabellini
On Wed, 24 Feb 2016, Jan Beulich wrote: > >>> On 23.02.16 at 17:31, wrote: > > The use of MAP_SMALL_PAGES causes shattering of the superpages making up the > > Xen virtual region, and is counter to the purpose of this series. > > Furthermore, it is not required for the memguard infrastructure to f

Re: [Xen-devel] [PATCH v2 4/8] xen/memguard: Drop memguard_init() entirely

2016-02-24 Thread Jan Beulich
>>> On 23.02.16 at 17:31, wrote: > The use of MAP_SMALL_PAGES causes shattering of the superpages making up the > Xen virtual region, and is counter to the purpose of this series. > Furthermore, it is not required for the memguard infrastructure to function > (which itself uses map_pages_to_xen()

[Xen-devel] [PATCH v2 4/8] xen/memguard: Drop memguard_init() entirely

2016-02-23 Thread Andrew Cooper
The use of MAP_SMALL_PAGES causes shattering of the superpages making up the Xen virtual region, and is counter to the purpose of this series. Furthermore, it is not required for the memguard infrastructure to function (which itself uses map_pages_to_xen() for creating holes). Signed-off-by: Andre