From: Mike Christie <michael.christie@oracle.com>
To: Dongli Zhang <dongli.zhang@oracle.com>,
virtualization@lists.linux.dev, kvm@vger.kernel.org,
netdev@vger.kernel.org
Cc: mst@redhat.com, jasowang@redhat.com, pbonzini@redhat.com,
stefanha@redhat.com, eperezma@redhat.com,
joao.m.martins@oracle.com, joe.jin@oracle.com,
si-wei.liu@oracle.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 06/10] vhost-scsi: cache log buffer in I/O queue vhost_scsi_cmd
Date: Wed, 26 Mar 2025 18:37:35 -0500 [thread overview]
Message-ID: <38b02ca5-59dd-4193-bea7-e15e4f5f426e@oracle.com> (raw)
In-Reply-To: <80a47281-d995-4499-a4c8-f251ca309450@oracle.com>
On 3/17/25 7:04 PM, Dongli Zhang wrote:
> @@ -1390,6 +1424,24 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
> goto err;
> }
>
> + if (unlikely(vq_log && log_num)) {
> + if (!cmd->tvc_log)
> + cmd->tvc_log = kmalloc_array(vq->dev->iov_limit,
> + sizeof(*cmd->tvc_log),
> + GFP_KERNEL);
> +
> + if (likely(cmd->tvc_log)) {
> + memcpy(cmd->tvc_log, vq->log,> + sizeof(*cmd->tvc_log) * log_num);
> + cmd->tvc_log_num = log_num;
Hey Dongli, this approach seems ok.
Could you just move this to a function?
next prev parent reply other threads:[~2025-03-26 23:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-17 23:55 [PATCH v2 00/10] vhost-scsi: log write descriptors for live migration (and three bugfix) Dongli Zhang
2025-03-17 23:55 ` [PATCH v2 01/10] vhost-scsi: protect vq->log_used with vq->mutex Dongli Zhang
2025-03-18 0:47 ` Jason Wang
2025-03-26 22:22 ` Mike Christie
2025-03-17 23:55 ` [PATCH v2 02/10] vhost-scsi: Fix vhost_scsi_send_bad_target() Dongli Zhang
2025-03-18 0:48 ` Jason Wang
2025-03-26 22:25 ` Mike Christie
2025-03-17 23:55 ` [PATCH v2 03/10] vhost-scsi: Fix vhost_scsi_send_status() Dongli Zhang
2025-03-18 0:48 ` Jason Wang
2025-03-19 17:54 ` Dongli Zhang
2025-03-20 1:42 ` Jason Wang
2025-03-26 22:27 ` Mike Christie
2025-03-17 23:55 ` [PATCH v2 04/10] vhost: modify vhost_log_write() for broader users Dongli Zhang
2025-03-18 1:12 ` Jason Wang
2025-03-19 16:38 ` Dongli Zhang
2025-03-20 1:41 ` Jason Wang
2025-03-17 23:55 ` [PATCH v2 05/10] vhost-scsi: adjust vhost_scsi_get_desc() to log vring descriptors Dongli Zhang
2025-03-26 23:21 ` Mike Christie
2025-03-17 23:55 ` [PATCH v2 06/10] vhost-scsi: cache log buffer in I/O queue vhost_scsi_cmd Dongli Zhang
2025-03-18 0:04 ` Dongli Zhang
2025-03-26 23:37 ` Mike Christie [this message]
2025-03-27 20:27 ` Dongli Zhang
2025-03-17 23:55 ` [PATCH v2 07/10] vhost-scsi: log I/O queue write descriptors Dongli Zhang
2025-03-17 23:55 ` [PATCH v2 08/10] vhost-scsi: log control " Dongli Zhang
2025-03-17 23:55 ` [PATCH v2 09/10] vhost-scsi: log event " Dongli Zhang
2025-03-26 23:50 ` Mike Christie
2025-03-26 23:51 ` Mike Christie
2025-03-17 23:55 ` [PATCH v2 10/10] vhost: add WARNING if log_num is more than limit Dongli Zhang
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