linux-kernel - Re: [RFC 7/7] iommufd: Skip the CACHE

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]

Message-ID: <20230925135047.GE13733@nvidia.com>
Date:   Mon, 25 Sep 2023 10:50:47 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Cindy Lu <lulu@...hat.com>
Cc:     jasowang@...hat.com, mst@...hat.com, yi.l.liu@...el.com,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [RFC 7/7] iommufd: Skip the CACHE_COHERENCY and iommu group check

On Sun, Sep 24, 2023 at 01:05:40AM +0800, Cindy Lu wrote:
> This is just the work arround for vdpa, I Will
> fix these problems in the next version.
> 
> Skip these 2 checks:
> 1.IOMMU_CAP_CACHE_COHERENCY check
> 2.iommu_group_get check

Uuh, something has gone really, really wrong if you need to skip these
checks in the core iommufd code..

Jason