From: Jason Wang <jasowang@redhat.com> To: Stefano Garzarella <sgarzare@redhat.com>, virtualization@lists.linux-foundation.org Cc: Stefan Hajnoczi <stefanha@redhat.com>, Laurent Vivier <lvivier@redhat.com>, linux-kernel@vger.kernel.org, Eli Cohen <elic@nvidia.com>, "Michael S. Tsirkin" <mst@redhat.com>, Max Gurtovoy <mgurtovoy@nvidia.com> Subject: Re: [PATCH RFC 05/12] vdpa_sim: remove the limit of IOTLB entries Date: Mon, 16 Nov 2020 12:12:21 +0800 [thread overview] Message-ID: <67e0358e-0ae8-75e9-156f-4156f58387d9@redhat.com> (raw) In-Reply-To: <20201113134712.69744-6-sgarzare@redhat.com> On 2020/11/13 下午9:47, Stefano Garzarella wrote: > The simulated devices can support multiple queues, so this limit > should be defined according to the number of queues supported by > the device. > > Since we are in a simulator, let's simply remove that limit. > > Suggested-by: Jason Wang <jasowang@redhat.com> > Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> It would be good to introduce a macro instead of using the magic 0 here. Thanks > --- > drivers/vdpa/vdpa_sim/vdpa_sim.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c > index 2b4fea354413..9c9717441bbe 100644 > --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c > +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c > @@ -230,7 +230,7 @@ struct vdpasim *vdpasim_create(struct vdpasim_init_attr *attr) > goto err_iommu; > set_dma_ops(dev, &vdpasim_dma_ops); > > - vdpasim->iommu = vhost_iotlb_alloc(2048, 0); > + vdpasim->iommu = vhost_iotlb_alloc(0, 0); > if (!vdpasim->iommu) > goto err_iommu; >
WARNING: multiple messages have this Message-ID (diff)
From: Jason Wang <jasowang@redhat.com> To: Stefano Garzarella <sgarzare@redhat.com>, virtualization@lists.linux-foundation.org Cc: Laurent Vivier <lvivier@redhat.com>, Max Gurtovoy <mgurtovoy@nvidia.com>, "Michael S. Tsirkin" <mst@redhat.com>, linux-kernel@vger.kernel.org, Stefan Hajnoczi <stefanha@redhat.com>, Eli Cohen <elic@nvidia.com> Subject: Re: [PATCH RFC 05/12] vdpa_sim: remove the limit of IOTLB entries Date: Mon, 16 Nov 2020 12:12:21 +0800 [thread overview] Message-ID: <67e0358e-0ae8-75e9-156f-4156f58387d9@redhat.com> (raw) In-Reply-To: <20201113134712.69744-6-sgarzare@redhat.com> On 2020/11/13 下午9:47, Stefano Garzarella wrote: > The simulated devices can support multiple queues, so this limit > should be defined according to the number of queues supported by > the device. > > Since we are in a simulator, let's simply remove that limit. > > Suggested-by: Jason Wang <jasowang@redhat.com> > Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> It would be good to introduce a macro instead of using the magic 0 here. Thanks > --- > drivers/vdpa/vdpa_sim/vdpa_sim.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c > index 2b4fea354413..9c9717441bbe 100644 > --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c > +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c > @@ -230,7 +230,7 @@ struct vdpasim *vdpasim_create(struct vdpasim_init_attr *attr) > goto err_iommu; > set_dma_ops(dev, &vdpasim_dma_ops); > > - vdpasim->iommu = vhost_iotlb_alloc(2048, 0); > + vdpasim->iommu = vhost_iotlb_alloc(0, 0); > if (!vdpasim->iommu) > goto err_iommu; > _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
next prev parent reply other threads:[~2020-11-16 4:12 UTC|newest] Thread overview: 131+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-13 13:47 [PATCH RFC 00/12] vdpa: generalize vdpa simulator and add block device Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-13 13:47 ` [PATCH RFC 01/12] vhost-vdpa: add support for vDPA blk devices Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-17 10:57 ` Stefan Hajnoczi 2020-11-17 10:57 ` Stefan Hajnoczi 2020-11-17 15:05 ` Stefano Garzarella 2020-11-17 15:05 ` Stefano Garzarella 2020-11-13 13:47 ` [PATCH RFC 02/12] vdpa: split vdpasim to core and net modules Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-13 18:32 ` kernel test robot 2020-11-16 4:00 ` Jason Wang 2020-11-16 4:00 ` Jason Wang 2020-11-16 9:39 ` Stefano Garzarella 2020-11-16 9:39 ` Stefano Garzarella 2020-11-18 13:14 ` Stefano Garzarella 2020-11-18 13:14 ` Stefano Garzarella 2020-11-19 6:16 ` Jason Wang 2020-11-19 6:16 ` Jason Wang 2020-11-16 9:06 ` Dan Carpenter 2020-11-16 9:06 ` Dan Carpenter 2020-11-16 9:12 ` Stefano Garzarella 2020-11-16 10:47 ` Dan Carpenter 2020-11-16 10:47 ` Dan Carpenter 2020-11-16 11:16 ` Stefano Garzarella 2020-11-16 11:58 ` Dan Carpenter 2020-11-16 11:58 ` Dan Carpenter 2020-11-16 12:41 ` Stefano Garzarella 2020-11-16 12:54 ` Dan Carpenter 2020-11-16 12:54 ` Dan Carpenter 2020-11-13 13:47 ` [PATCH RFC 03/12] vdpa_sim: remove hard-coded virtq count Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:02 ` Jason Wang 2020-11-16 4:02 ` Jason Wang 2020-11-13 13:47 ` [PATCH RFC 04/12] vdpa: add vdpa simulator for block device Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:10 ` Jason Wang 2020-11-16 4:10 ` Jason Wang 2020-11-16 10:17 ` Stefano Garzarella 2020-11-16 10:17 ` Stefano Garzarella 2020-11-17 11:11 ` Stefan Hajnoczi 2020-11-17 11:11 ` Stefan Hajnoczi 2020-11-17 14:16 ` Stefano Garzarella 2020-11-17 14:16 ` Stefano Garzarella 2020-11-17 16:43 ` Stefan Hajnoczi 2020-11-17 16:43 ` Stefan Hajnoczi 2020-11-17 17:38 ` Stefano Garzarella 2020-11-17 17:38 ` Stefano Garzarella 2020-11-18 11:23 ` Stefan Hajnoczi 2020-11-18 11:23 ` Stefan Hajnoczi 2020-11-18 11:39 ` Stefano Garzarella 2020-11-18 11:39 ` Stefano Garzarella 2020-11-13 13:47 ` [PATCH RFC 05/12] vdpa_sim: remove the limit of IOTLB entries Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:12 ` Jason Wang [this message] 2020-11-16 4:12 ` Jason Wang 2020-11-16 10:22 ` Stefano Garzarella 2020-11-16 10:22 ` Stefano Garzarella 2020-11-13 13:47 ` [PATCH RFC 06/12] vdpa_sim: add struct vdpasim_device to store device properties Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:14 ` Jason Wang 2020-11-16 4:14 ` Jason Wang 2020-11-16 10:30 ` Stefano Garzarella 2020-11-16 10:30 ` Stefano Garzarella 2020-11-17 11:23 ` Stefan Hajnoczi 2020-11-17 11:23 ` Stefan Hajnoczi 2020-11-17 14:24 ` Stefano Garzarella 2020-11-17 14:24 ` Stefano Garzarella 2020-11-13 13:47 ` [PATCH RFC 07/12] vdpa_sim: move config management outside of the core Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:18 ` Jason Wang 2020-11-16 4:18 ` Jason Wang 2020-11-16 10:42 ` Stefano Garzarella 2020-11-16 10:42 ` Stefano Garzarella 2020-11-13 13:47 ` [PATCH RFC 08/12] vdpa_sim: use kvmalloc to allocate vdpasim->buffer Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:19 ` Jason Wang 2020-11-16 4:19 ` Jason Wang 2020-11-13 13:47 ` [PATCH RFC 09/12] vdpa_sim: make vdpasim->buffer size configurable Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:19 ` Jason Wang 2020-11-16 4:19 ` Jason Wang 2020-11-13 13:47 ` [PATCH RFC 10/12] vdpa_sim: split vdpasim_virtqueue's iov field in riov and wiov Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:21 ` Jason Wang 2020-11-16 4:21 ` Jason Wang 2020-11-17 11:27 ` Stefan Hajnoczi 2020-11-17 11:27 ` Stefan Hajnoczi 2020-11-20 14:41 ` Stefano Garzarella 2020-11-20 14:41 ` Stefano Garzarella 2020-11-13 13:47 ` [PATCH RFC 11/12] vringh: allow vringh_iov_xfer() to skip bytes when ptr is NULL Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-16 4:32 ` Jason Wang 2020-11-16 4:32 ` Jason Wang 2020-11-16 11:48 ` Stefano Garzarella 2020-11-16 11:48 ` Stefano Garzarella 2020-11-13 13:47 ` [PATCH RFC 12/12] vdpa_sim_blk: implement ramdisk behaviour Stefano Garzarella 2020-11-13 13:47 ` Stefano Garzarella 2020-11-13 15:15 ` kernel test robot 2020-11-16 5:25 ` Jason Wang 2020-11-16 5:25 ` Jason Wang 2020-11-16 11:08 ` Stefano Garzarella 2020-11-16 11:08 ` Stefano Garzarella 2020-11-16 9:50 ` Michael S. Tsirkin 2020-11-16 9:50 ` Michael S. Tsirkin 2020-11-16 11:23 ` Stefano Garzarella 2020-11-16 11:23 ` Stefano Garzarella 2020-11-17 11:36 ` Stefan Hajnoczi 2020-11-17 11:36 ` Stefan Hajnoczi 2020-11-17 14:32 ` Stefano Garzarella 2020-11-17 14:32 ` Stefano Garzarella 2020-11-16 3:37 ` [PATCH RFC 00/12] vdpa: generalize vdpa simulator and add block device Jason Wang 2020-11-16 3:37 ` Jason Wang 2020-11-16 8:53 ` Stefano Garzarella 2020-11-16 8:53 ` Stefano Garzarella 2020-12-18 11:38 ` Stefano Garzarella 2020-12-18 11:38 ` Stefano Garzarella 2020-12-21 3:16 ` Jason Wang 2020-12-21 3:16 ` Jason Wang 2020-12-21 11:14 ` Stefano Garzarella 2020-12-21 11:14 ` Stefano Garzarella 2020-12-22 2:44 ` Jason Wang 2020-12-22 2:44 ` Jason Wang 2020-12-22 10:57 ` Stefano Garzarella 2020-12-22 10:57 ` Stefano Garzarella 2020-12-22 12:29 ` Jason Wang 2020-12-22 12:29 ` Jason Wang 2020-12-22 12:56 ` Jason Wang 2020-12-22 12:56 ` Jason Wang 2020-12-22 13:23 ` Stefano Garzarella 2020-12-22 13:23 ` Stefano Garzarella
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