linux-kernel - Re: [PATCH v3 02/15] NTB: Set dma mask and dma coherent mask to NTB devices

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

Date:   Tue, 5 Dec 2017 16:39:09 -0700
From:   Logan Gunthorpe <logang@...tatee.com>
To:     Serge Semin <fancer.lancer@...il.com>, jdmason@...zu.us,
        dave.jiang@...el.com, Allen.Hubbe@....com,
        Shyam-sundar.S-k@....com, Xiangliang.Yu@....com, gary.hook@....com
Cc:     linux-ntb@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 02/15] NTB: Set dma mask and dma coherent mask to NTB
 devices



On 05/12/17 03:39 PM, Serge Semin wrote:
> The dma_mask and dma_coherent_mask fields of the NTB struct device
> weren't initialized in hardware drivers. In fact it should be done
> instead of PCIe interface usage, since NTB clients are supposed to
> use NTB API and left unaware of real hardware implementation.
> In addition to that ntb_device_register() method shouldn't clear
> the passed ntb_dev structure, since it dma_mask is initialized
> by hardware drivers.

I think you still need to address my comments in the previous version. 
As best as I can see this patch does nothing.

Logan