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Re: [Xen-devel] [PATCH 2/2] xen/xsm: Add new SILO mode for XSM
- To: Xin Li <talons.lee@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxx
- From: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
- Date: Fri, 28 Sep 2018 13:24:29 -0400
- Cc: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Xin Li <xin.li@xxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ming Lu <ming.lu@xxxxxxxxxx>
- Delivery-date: Fri, 28 Sep 2018 17:24:37 +0000
- Ironport-phdr: 9a23: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
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 09/28/2018 04:18 AM, Xin Li wrote:
When SILO is enabled, there would be no page-sharing or event notifications
between unprivileged VMs (no grant tables or event channels).
Signed-off-by: Xin Li <xin.li@xxxxxxxxxx>
v3: make copies of dummy functions to avoid indirect call.
This still makes indirect calls. You will need to #include xsm/dummy.h,
and a third case in line 44's #ifdef CONFIG_XSM / #else may be required
to adjust XSM_INLINE to avoid compiler warnings.
The function xsm_fixup_ops() will already set the unused parts of your
xsm_operations struct to the dummy functions; you don't need to do that
in silo_init by copying dummy_xsm_ops. You should use register_xsm to
assign to xsm_ops instead of doing it yourself.
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