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Re: [Xen-devel] [PATCH] netback: allow arbitrary mtu size until frontend
| To: | Jan Beulich <JBeulich@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] netback: allow arbitrary mtu size until frontend connects |
| From: | Olaf Hering <olaf@xxxxxxxxx> |
| Date: | Mon, 7 Feb 2011 10:26:21 +0100 |
| Cc: | Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 07 Feb 2011 01:27:39 -0800 |
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On Mon, Feb 07, Jan Beulich wrote: > >>> On 06.02.11 at 14:42, Olaf Hering <olaf@xxxxxxxxx> wrote: > > Allow arbitrary mtu size until the frontend is connected. Once the > > connection is established, adjust mtu by checking if the backend > > supports the 'feature-sg'. If the backend does support it, keep the > > current mtu. Otherwise set it to the default value, which is 1500. > > > > This helps the vif-bridge hotplug script to set the mtu size to 9000 > > while bringing up the guest. > > Isn't this functionally the same as > http://xenbits.xen.org/XCP/linux-2.6.32.pq.hg?file/043b76e4943c/xen-netback-Allow-setting-of-large-MTU-before-rings.patch > or its pv-ops parent > https://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commitdiff;h=bee2eec2355c4bf4e149a426d5e30527162de566 > (in which case it would seem preferable to pull in that change)? Either approach is ok. Could one of the changes be backported and applied to the 2.6.18.hg tree? Olaf _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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