From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: kevin.tian@intel.com, wei.liu2@citrix.com,
ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com,
tim@xen.org, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org,
yang.z.zhang@intel.com, Tiejun Chen <tiejun.chen@intel.com>
Subject: Re: [v8][PATCH 02/17] introduce XEN_DOMCTL_set_rdm
Date: Tue, 9 Dec 2014 11:36:37 -0500 [thread overview]
Message-ID: <20141209163637.GB10129@laptop.dumpdata.com> (raw)
In-Reply-To: <5486C204020000780004DF9A@mail.emea.novell.com>
On Tue, Dec 09, 2014 at 08:33:56AM +0000, Jan Beulich wrote:
> >>> On 09.12.14 at 02:06, <tiejun.chen@intel.com> wrote:
> >>>> Also how does this work with 32-bit dom0s? Is there a need to use the
> >>>> compat layer?
> >>>
> >>> Are you saying in xsm case? Others?
> >>>
> >>> Actually this new DOMCTL is similar with XEN_DOMCTL_assign_device in some
> >>> senses but I don't see such an issue you're pointing.
> >>
> >> I was thinking about the compat layer and making sure it works properly.
> >
> > Do we really need this consideration? I mean I referred to that existing
> > XEN_DOMCTL_assign_device to implement this new DOMCTL, but looks there's
> > nothing related to this point.
> >
> > Or could you make your thought clear to me with an exiting example? Then
> > I can take a look at what exactly should be taken in my new DOMCTL since
> > I'm a fresh man to work out this properly inside xen.
>
> I think Konrad got a little confused here - domctl-s intentionally are
> structured so that they don't need a compat translation layer.
Ah! Thank you for that reminder!
>
> Jan
>
next prev parent reply other threads:[~2014-12-09 16:36 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-01 9:24 [v8][PATCH 00/17] xen: RMRR fix Tiejun Chen
2014-12-01 9:24 ` [v8][PATCH 01/17] tools/hvmloader: link errno.h from xen internal Tiejun Chen
2014-12-01 9:24 ` [v8][PATCH 02/17] introduce XEN_DOMCTL_set_rdm Tiejun Chen
2014-12-02 8:33 ` Tian, Kevin
2014-12-08 1:30 ` Chen, Tiejun
2014-12-02 19:39 ` Konrad Rzeszutek Wilk
2014-12-08 3:16 ` Chen, Tiejun
2014-12-08 15:57 ` Konrad Rzeszutek Wilk
2014-12-09 1:06 ` Chen, Tiejun
2014-12-09 8:33 ` Jan Beulich
2014-12-09 16:36 ` Konrad Rzeszutek Wilk [this message]
2014-12-04 15:33 ` Jan Beulich
2014-12-05 6:13 ` Tian, Kevin
2014-12-08 6:06 ` Chen, Tiejun
2014-12-08 8:43 ` Jan Beulich
2014-12-09 2:38 ` Chen, Tiejun
2014-12-09 7:29 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 03/17] introduce XENMEM_reserved_device_memory_map Tiejun Chen
2014-12-02 19:47 ` Konrad Rzeszutek Wilk
2014-12-08 6:17 ` Chen, Tiejun
2014-12-08 10:00 ` Jan Beulich
2014-12-08 16:45 ` Daniel De Graaf
2014-12-08 16:54 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 04/17] update the existing hypercall to support XEN_DOMCTL_set_rdm Tiejun Chen
2014-12-02 8:46 ` Tian, Kevin
2014-12-08 6:22 ` Chen, Tiejun
2014-12-04 15:50 ` Jan Beulich
2014-12-08 7:11 ` Chen, Tiejun
2014-12-08 8:51 ` Jan Beulich
2014-12-09 7:47 ` Chen, Tiejun
2014-12-09 8:19 ` Jan Beulich
2014-12-09 9:12 ` Chen, Tiejun
2014-12-09 9:21 ` Jan Beulich
2014-12-09 9:35 ` Chen, Tiejun
2014-12-09 10:11 ` Tim Deegan
2014-12-09 10:22 ` Jan Beulich
2014-12-10 1:59 ` Chen, Tiejun
2014-12-10 20:21 ` Konrad Rzeszutek Wilk
2014-12-10 3:39 ` Tian, Kevin
2014-12-10 9:01 ` Jan Beulich
2014-12-10 9:57 ` Tian, Kevin
2014-12-10 11:12 ` Tim Deegan
2014-12-11 2:03 ` Tian, Kevin
2014-12-11 13:09 ` Tim Deegan
2014-12-18 16:13 ` Tim Deegan
2014-12-19 1:03 ` Chen, Tiejun
2014-12-01 9:24 ` [v8][PATCH 05/17] tools/libxc: introduce hypercall for xc_reserved_device_memory_map Tiejun Chen
2014-12-02 8:46 ` Tian, Kevin
2014-12-02 19:50 ` Konrad Rzeszutek Wilk
2014-12-08 7:25 ` Chen, Tiejun
2014-12-08 15:52 ` Konrad Rzeszutek Wilk
2014-12-01 9:24 ` [v8][PATCH 06/17] tools/libxc: check if modules space is overlapping with reserved device memory Tiejun Chen
2014-12-02 8:54 ` Tian, Kevin
2014-12-02 19:55 ` Konrad Rzeszutek Wilk
2014-12-08 7:49 ` Chen, Tiejun
2014-12-01 9:24 ` [v8][PATCH 07/17] hvmloader/util: get reserved device memory maps Tiejun Chen
2014-12-02 8:59 ` Tian, Kevin
2014-12-08 7:55 ` Chen, Tiejun
2014-12-02 20:01 ` Konrad Rzeszutek Wilk
2014-12-08 8:09 ` Chen, Tiejun
2014-12-08 8:45 ` Chen, Tiejun
2014-12-04 15:52 ` Jan Beulich
2014-12-08 8:52 ` Chen, Tiejun
2014-12-08 9:18 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 08/17] hvmloader/mmio: reconcile guest mmio with reserved device memory Tiejun Chen
2014-12-02 9:11 ` Tian, Kevin
2014-12-08 9:04 ` Chen, Tiejun
2014-12-04 16:04 ` Jan Beulich
2014-12-08 9:10 ` Chen, Tiejun
2014-12-01 9:24 ` [v8][PATCH 09/17] hvmloader/ram: check if guest memory is out of reserved device memory maps Tiejun Chen
2014-12-02 9:42 ` Tian, Kevin
2014-12-02 20:17 ` Konrad Rzeszutek Wilk
2014-12-04 16:20 ` Jan Beulich
2014-12-05 6:23 ` Tian, Kevin
2014-12-05 7:43 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 10/17] hvmloader/mem_hole_alloc: skip any overlap with reserved device memory Tiejun Chen
2014-12-02 9:48 ` Tian, Kevin
2014-12-02 20:23 ` Konrad Rzeszutek Wilk
2014-12-04 16:28 ` Jan Beulich
2014-12-05 6:24 ` Tian, Kevin
2014-12-05 7:46 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 11/17] xen/x86/p2m: reject populating for reserved device memory mapping Tiejun Chen
2014-12-02 9:57 ` Tian, Kevin
2014-12-04 16:42 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 12/17] xen/x86/ept: handle reserved device memory in ept_handle_violation Tiejun Chen
2014-12-02 9:59 ` Tian, Kevin
2014-12-02 20:26 ` Konrad Rzeszutek Wilk
2014-12-04 16:46 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 13/17] xen/mem_access: don't allow accessing reserved device memory Tiejun Chen
2014-12-02 14:54 ` Julien Grall
2014-12-18 22:56 ` Tamas K Lengyel
2014-12-02 20:27 ` Konrad Rzeszutek Wilk
2014-12-04 16:51 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 14/17] xen/x86/p2m: introduce set_identity_p2m_entry Tiejun Chen
2014-12-02 10:00 ` Tian, Kevin
2014-12-02 20:29 ` Konrad Rzeszutek Wilk
2014-12-01 9:24 ` [v8][PATCH 15/17] xen:vtd: create RMRR mapping Tiejun Chen
2014-12-02 10:02 ` Tian, Kevin
2014-12-02 20:30 ` Konrad Rzeszutek Wilk
2014-12-01 9:24 ` [v8][PATCH 16/17] xen/vtd: group assigned device with RMRR Tiejun Chen
2014-12-02 10:11 ` Tian, Kevin
2014-12-02 20:40 ` Konrad Rzeszutek Wilk
2014-12-04 17:05 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 17/17] xen/vtd: re-enable USB device assignment if enable pci_force Tiejun Chen
2014-12-05 16:12 ` Konrad Rzeszutek Wilk
2014-12-02 19:17 ` [v8][PATCH 00/17] xen: RMRR fix Konrad Rzeszutek Wilk
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