From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: xuan.ding@intel.com, chenbo.xia@intel.com
Cc: dev@dpdk.org, jiayu.hu@intel.com, yuanx.wang@intel.com
Subject: Re: [PATCH v2 2/2] vhost: fix physical address mapping
Date: Fri, 4 Feb 2022 11:43:44 +0100 [thread overview]
Message-ID: <f9aab800-eb79-5358-54ca-6ff14f804eab@redhat.com> (raw)
In-Reply-To: <20220119151016.9970-3-xuan.ding@intel.com>
On 1/19/22 16:10, xuan.ding@intel.com wrote:
> From: Xuan Ding <xuan.ding@intel.com>
>
> When choosing IOVA as PA mode, IOVA is likely to be discontinuous,
> which requires page by page mapping for DMA devices. To be consistent,
> this patch implements page by page mapping instead of mapping at the
> region granularity for both IOVA as VA and PA mode.
>
> Fixes: 7c61fa08b716 ("vhost: enable IOMMU for async vhost")
>
> Signed-off-by: Xuan Ding <xuan.ding@intel.com>
> Signed-off-by: Yuan Wang <yuanx.wang@intel.com>
> ---
> lib/vhost/vhost.h | 1 +
> lib/vhost/vhost_user.c | 116 ++++++++++++++++++++---------------------
> 2 files changed, 57 insertions(+), 60 deletions(-)
>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Thanks,
Maxime
next prev parent reply other threads:[~2022-02-04 10:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-19 15:10 [PATCH v2 0/2] vhost: fix async " xuan.ding
2022-01-19 15:10 ` [PATCH v2 1/2] vhost: rename field in guest page struct xuan.ding
2022-02-01 8:47 ` Maxime Coquelin
2022-01-19 15:10 ` [PATCH v2 2/2] vhost: fix physical address mapping xuan.ding
2022-02-01 8:51 ` Maxime Coquelin
2022-02-04 10:43 ` Maxime Coquelin [this message]
2022-02-01 8:28 ` [PATCH v2 0/2] vhost: fix async " Maxime Coquelin
2022-02-01 11:29 ` Kevin Traynor
2022-02-04 10:43 ` Maxime Coquelin
2022-02-04 10:56 ` Maxime Coquelin
2022-02-11 2:48 ` Ding, Xuan
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