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Re: [Xen-devel] [PATCH 1/4] xen/netback: implements persistent grant with one page pool.





On 2012-11-16 10:49, ANNIE LI wrote:


On 2012-11-15 17:57, Roger Pau Monné wrote:

@@ -453,7 +460,12 @@ static int connect_rings(struct backend_info *be)
                 val = 0;
         vif->csum = !val;

-       /* Map the shared frame, irq etc. */
+ if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-persistent-grants",
+                        "%u",&val)<  0)
In block devices "feature-persistent" is used, so I think that for
clearness it should be announced the same way in net.
Is it "feature-persistent" ? I checked your RFC patch, the key is "feature-persistent-grants".


My mistake.
In your v2 patch, it is "feature-persistent". I will change the code as blkback/blkfront.

Thanks
Annie

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