linux-kernel - Re: [PATCH vhost 2/2] vdpa/mlx5: Fix suboptimal range on iotlb iteration

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Message-ID: <CACGkMEsOpz1S4Dhx2PPb1kdYc4f2SxX-55QT6px2TF1g9R_A+g@mail.gmail.com>
Date: Fri, 25 Oct 2024 16:42:37 +0800
From: Jason Wang <jasowang@...hat.com>
To: Dragos Tatulea <dtatulea@...dia.com>
Cc: "Michael S . Tsirkin" <mst@...hat.com>, virtualization@...ts.linux.dev, 
	Si-Wei Liu <si-wei.liu@...cle.com>, Eugenio Perez Martin <eperezma@...hat.com>, kvm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Gal Pressman <gal@...dia.com>, 
	Parav Pandit <parav@...dia.com>, Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Subject: Re: [PATCH vhost 2/2] vdpa/mlx5: Fix suboptimal range on iotlb iteration

On Mon, Oct 21, 2024 at 9:41 PM Dragos Tatulea <dtatulea@...dia.com> wrote:
>
> From: Si-Wei Liu <si-wei.liu@...cle.com>
>
> The starting iova address to iterate iotlb map entry within a range
> was set to an irrelevant value when passing to the itree_next()
> iterator, although luckily it doesn't affect the outcome of finding
> out the granule of the smallest iotlb map size. Fix the code to make
> it consistent with the following for-loop.
>
> Fixes: 94abbccdf291 ("vdpa/mlx5: Add shared memory registration code")
> Signed-off-by: Si-Wei Liu <si-wei.liu@...cle.com>
> Signed-off-by: Dragos Tatulea <dtatulea@...dia.com>
> ---

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks