Messages in this thread | | | Subject | Re: [PATCH 0/2] vhot-net: Use kvm_memslots instead of vhost_memory to translate GPA to HVA | From | Sasha Levin <> | Date | Fri, 16 Dec 2011 09:05:51 +0200 |
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On Fri, 2011-12-16 at 13:32 +0800, zanghongyong@huawei.com wrote: > From: Hongyong Zang <zanghongyong@huawei.com> > > Vhost-net uses its own vhost_memory, which results from user space (qemu) info, > to translate GPA to HVA. Since kernel's kvm structure already maintains the > address relationship in its member *kvm_memslots*, these patches use kernel's > kvm_memslots directly without the need of initialization and maintenance of > vhost_memory.
Conceptually, vhost isn't aware of KVM - it's just a driver which moves data from vq to a tap device and back. You can't simply add KVM specific code into vhost.
Whats the performance benefit?
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Sasha.
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