All of lore.kernel.org
 help / color / mirror / Atom feed
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

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=67e0358e-0ae8-75e9-156f-4156f58387d9@redhat.com \
    --to=jasowang@redhat.com \
    --cc=elic@nvidia.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lvivier@redhat.com \
    --cc=mgurtovoy@nvidia.com \
    --cc=mst@redhat.com \
    --cc=sgarzare@redhat.com \
    --cc=stefanha@redhat.com \
    --cc=virtualization@lists.linux-foundation.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.