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Re: [Xen-devel] [PATCH 1/2] altp2m: Merge p2m_set_altp2m_mem_access and p2m_set_mem_access
- To: Wei Liu <wei.liu2@xxxxxxxxxx>
- From: "Lengyel, Tamas" <tlengyel@xxxxxxxxxxx>
- Date: Thu, 28 Jan 2016 07:30:31 -0700
- Cc: Keir Fraser <keir@xxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 28 Jan 2016 14:30:39 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Jan 28, 2016 4:00 AM, "Wei Liu" <wei.liu2@xxxxxxxxxx> wrote:
>
> On Thu, Jan 28, 2016 at 10:55:36AM +0000, Ian Campbell wrote:
> > --- a/tools/libxc/include/xenctrl.h
> > > > +++ b/tools/libxc/include/xenctrl.h
> > > > @@ -2027,9 +2027,6 @@ int xc_altp2m_destroy_view(xc_interface *handle,
> > > > domid_t domid,
> > > > Â/* Switch all vCPUs of the domain to the specified altp2m view */
> > > > Âint xc_altp2m_switch_to_view(xc_interface *handle, domid_t domid,
> > > > ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂuint16_t view_id);
> > > > -int xc_altp2m_set_mem_access(xc_interface *handle, domid_t domid,
> > > > -ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂuint16_t view_id, xen_pfn_t gfn,
> > > > -ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂxenmem_access_t access);
> > >
> > > What is the support status of these APIs in libxc? Are they supposed to
> > > be stable now? Do you have opinion on making them stable interfaces?
> >
> > Nothing in libxc is ever a stable interface. It is always completely fine
> > to change them if that is what is needed.
> >
>
> Right. Ignore the first question and this patch is ready to go in when
> those nits are fixed.
>
> It would still be nice if we can get a libmemaccess or some sort so that
> people can build on top of it. Just curious if that's feasible.
>
> Wei.
There is LibVMI and Bitdefender also released its library so there are choices if folks find libxc too volatile.
Tamas
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