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Re: [Xen-devel] [PATCH 2/2] xen/xsm: Add new SILO mode for XSM


  • To: "Xin Li (Talons)" <xin.li@xxxxxxxxxx>
  • From: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
  • Date: Fri, 17 Aug 2018 15:25:17 -0400
  • Cc: Xin Li <talons.lee@xxxxxxxxx>, Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>, "Tim \(Xen.org\)" <tim@xxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Ming Lu <ming.lu@xxxxxxxxxx>
  • Delivery-date: Fri, 17 Aug 2018 19:25:31 +0000
  • Ironport-phdr: 9a23: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
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 07/24/2018 04:18 AM, Xin Li (Talons) wrote:
  Hi Daniel,

      I think the main questions here are:
      1. Do we need a separated KConfig option for SILO

Yes; I made comments on your patch doing so

      2. Can we use indirect call like "dummy_xsm_ops.grant_copy"
      Any suggestion?

It would be nice to avoid it.  Making a global dummy_xsm_grant_copy()
function would be better, though the best location of the prototype and
code isn't obvious.

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