Re: [Qemu-devel] [PATCH v12 2/7] virtio-pmem: Add virtio pmem driver

2019-06-12 Thread Pankaj Gupta
> > Hi Pankaj, > > On Tue, 11 Jun 2019 23:34:50 -0400 (EDT) > Pankaj Gupta wrote: > > > Hi Cornelia, > > > > > On Tue, 11 Jun 2019 22:07:57 +0530 > > > Pankaj Gupta wrote: > > > > > > + err1 = virtqueue_kick(vpmem->req_vq); > > > > + spin_unlock_irqrestore(>pmem_lock, flags);

Re: [Qemu-devel] [PATCH v12 2/7] virtio-pmem: Add virtio pmem driver

2019-06-12 Thread Cornelia Huck
Hi Pankaj, On Tue, 11 Jun 2019 23:34:50 -0400 (EDT) Pankaj Gupta wrote: > Hi Cornelia, > > > On Tue, 11 Jun 2019 22:07:57 +0530 > > Pankaj Gupta wrote: > > > + err1 = virtqueue_kick(vpmem->req_vq); > > > + spin_unlock_irqrestore(>pmem_lock, flags); > > > + /* > > > + * virtqueue_add_sgs

Re: [Qemu-devel] [PATCH v12 2/7] virtio-pmem: Add virtio pmem driver

2019-06-11 Thread Pankaj Gupta
Hi Cornelia, > On Tue, 11 Jun 2019 22:07:57 +0530 > Pankaj Gupta wrote: > > > This patch adds virtio-pmem driver for KVM guest. > > > > Guest reads the persistent memory range information from > > Qemu over VIRTIO and registers it on nvdimm_bus. It also > > creates a nd_region object with

Re: [Qemu-devel] [PATCH v12 2/7] virtio-pmem: Add virtio pmem driver

2019-06-11 Thread Cornelia Huck
On Tue, 11 Jun 2019 22:07:57 +0530 Pankaj Gupta wrote: > This patch adds virtio-pmem driver for KVM guest. > > Guest reads the persistent memory range information from > Qemu over VIRTIO and registers it on nvdimm_bus. It also > creates a nd_region object with the persistent memory > range

[Qemu-devel] [PATCH v12 2/7] virtio-pmem: Add virtio pmem driver

2019-06-11 Thread Pankaj Gupta
This patch adds virtio-pmem driver for KVM guest. Guest reads the persistent memory range information from Qemu over VIRTIO and registers it on nvdimm_bus. It also creates a nd_region object with the persistent memory range information so that existing 'nvdimm/pmem' driver can reserve this into