linux-kernel - Re: [PATCH] iommu: Don't print warning when IOMMU driver only supports unmanaged domains

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: <20190325133736.GA11654@suse.de>
Date:   Mon, 25 Mar 2019 14:37:36 +0100
From:   Joerg Roedel <jroedel@...e.de>
To:     Joerg Roedel <joro@...tes.org>
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu: Don't print warning when IOMMU driver only
 supports unmanaged domains

On Fri, Mar 22, 2019 at 05:04:26PM +0100, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@...e.de>
> 
> Print the warning about the fall-back to IOMMU_DOMAIN_DMA in
> iommu_group_get_for_dev() only when such a domain was
> actually allocated.
> 
> Otherwise the user will get misleading warnings in the
> kernel log when the iommu driver used doesn't support
> IOMMU_DOMAIN_DMA and IOMMU_DOMAIN_IDENTITY.
> 
> Fixes: fccb4e3b8ab09 ('iommu: Allow default domain type to be set on the kernel command line')
> Signed-off-by: Joerg Roedel <jroedel@...e.de>
> ---
>  drivers/iommu/iommu.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)

Applied.