linux-kernel - Re: [PATCH] usbip: set the dma mask to 64bit default for vhci-driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <aAdEM0crDfSP9JYf@infradead.org>
Date: Tue, 22 Apr 2025 00:24:35 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Zongmin Zhou <min_halo@....com>
Cc: skhan@...uxfoundation.org, gregkh@...uxfoundation.org, i@...ithal.me,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	shuah@...nel.org, valentina.manea.m@...il.com,
	Zongmin Zhou <zhouzongmin@...inos.cn>
Subject: Re: [PATCH] usbip: set the dma mask to 64bit default for vhci-driver

On Tue, Apr 22, 2025 at 02:34:09PM +0800, Zongmin Zhou wrote:
> From: Zongmin Zhou <zhouzongmin@...inos.cn>
> 
> fix usb device limited  max_sectors when use usbip protocol

As far as I can tell this is a virtual HCI and can't perform DMA.
Thus nothing should use DMA API calls on it and the mask is irrelevant.