Re: [Qemu-devel] [RFC 2/2] KVM: add virtio-pmem driver
From: Christoph Hellwig <hch@infradead.org>
Date: 2017-10-19 08:02:01
Also in:
kvm, lkml, nvdimm, qemu-devel
From: Christoph Hellwig <hch@infradead.org>
Date: 2017-10-19 08:02:01
Also in:
kvm, lkml, nvdimm, qemu-devel
On Wed, Oct 18, 2017 at 08:51:37AM -0700, Dan Williams wrote:
This use case is not "Persistent Memory". Persistent Memory is something you can map and make persistent with CPU instructions. Anything that requires a driver call is device driver managed "Shared Memory".
How is this any different than the existing nvdimm_flush()? If you really care about the not driver thing it could easily be a write to a doorbell page or a hypercall, but in the end that's just semantics. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>