linux-kernel - Re: [PATCH] dma-mapping: clear mark DMA ops as an architecture feature

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: <87ed6cg7ly.ffs@tglx>
Date: Sun, 25 Aug 2024 13:33:13 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Christoph Hellwig <hch@....de>, iommu@...ts.linux.dev
Cc: Marek Szyprowski <m.szyprowski@...sung.com>, Robin Murphy
 <robin.murphy@....com>, Sakari Ailus <sakari.ailus@...ux.intel.com>,
 Bingbu Cao <bingbu.cao@...el.com>, "Michael S . Tsirkin" <mst@...hat.com>,
 Jason Wang <jasowang@...hat.com>, linux-kernel@...r.kernel.org,
 linux-alpha@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
 sparclinux@...r.kernel.org, linux-media@...r.kernel.org,
 virtualization@...ts.linux.dev, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH] dma-mapping: clear mark DMA ops as an architecture feature

On Sat, Aug 24 2024 at 05:57, Christoph Hellwig wrote:
> DMA ops are a helper for architectures and not for drivers to override
> the DMA implementation.  Unfortunately driver authors keep ignoring
> this.  Make this more clear by renaming the symbol to ARCH_DMA_OPS,
> have the three drivers overriding it depend on that.  They should
> probably also be marked broken, but we can give them a bit of a grace
> period for that.

One week :)

> Signed-off-by: Christoph Hellwig <hch@....de>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>