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Re: [Qemu-devel] [PATCH 2/8] rdma: core rdma logic

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 2/8] rdma: core rdma logic
Date: Fri, 12 Apr 2013 15:41:09 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4

Il 12/04/2013 15:29, Michael R. Hines ha scritto:
> Oh, thank you. Huge bug  - I need to introduce a "COMPRESS"
> message for this page into the protocol just like we already have
> for TCP and bypass the current chunk.

It's okay to send the page uncompressed if it's been registered already.
 This way you skip most is_zero_page checks after the bulk phase.  I
just care that a page is never registered if it is zero and never changes.


> I knew I was forgetting about compress - some little angel on my
> shoulder was telling me I forgot something but I couldn't remember =)

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