Re: [Xen-devel] [PATCH net-next] Revert "xen-netback: Aggregate TX unmap operations"

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2014-03-21 at 17:23 +0000, Zoltan Kiss wrote:
> This reverts commit e9275f5e2df1b2098a8cc405d87b88b9affd73e6. This commit is 
> the
> last in the netback grant mapping series, and it tries to do more aggressive
> aggreagtion of unmap operations. However practical use showed almost no
> positive effect, whilst with certain frontends it causes significant 
> performance
> regression.

That's a shame -- do you have any insight into why?

> Signed-off-by: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>



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