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Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the share


From: Li, Liang Z
Subject: Re: [Qemu-devel] [PATCH V2] add migration capability to bypass the shared memory
Date: Fri, 12 Aug 2016 06:48:40 +0000

> >> > BTW. Is it possible to bypass the shared block in the
> >> 'ram_find_and_save_block'?
> >> > I mean no to check if a page is dirty for a shared block, it may
> >> > make things
> >> faster.
> >>
> >> Nice spotted.  That would make things faster.  But once there we
> >> could split the bitmap by ramblock, and the migration_dirty_pages
> >> also per block, that would make all the searchs faster, and
> >> adding/removing blocks of ram much easier.  If we enter optimizing
> >> that function, we could really do much better that the "again" parameter
> that we have right now.
> >>
> >> Later, Juan.
> 
> 
> This patch focuses on the core thing: adding the ability to bypass migrating
> the memory.
> I don't want to add further optimization for it now.
> I hope this patch merged solo and earlier.
> optimization patches can be sent after this patch accepted.
> 

Will you send a v3?

Liang


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