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    SubjectRe: [PATCH 3/5] vhost: support upto 509 memory regions


    On 18/06/2015 13:41, Michael S. Tsirkin wrote:
    > On Thu, Jun 18, 2015 at 01:39:12PM +0200, Igor Mammedov wrote:
    >> Lets leave decision upto users instead of making them live with
    >> crashing guests.
    >
    > Come on, let's fix it in userspace.

    It's not trivial to fix it in userspace. Since QEMU uses RCU there
    isn't a single memory map to use for a linear gpa->hva map.

    I find it absurd that we're fighting over 12K of memory.

    Paolo


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