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: <20240507054314.GA31814@lst.de>
Date: Tue, 7 May 2024 07:43:14 +0200
From: Christoph Hellwig <hch@....de>
To: "T.J. Mercier" <tjmercier@...gle.com>
Cc: Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Robin Murphy <robin.murphy@....com>, isaacmanjarres@...gle.com,
	Catalin Marinas <catalin.marinas@....com>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma-direct: Set SG_DMA_SWIOTLB flag for dma-direct

On Mon, May 06, 2024 at 09:39:53AM -0700, T.J. Mercier wrote:
> > You should not check, you simply must handle it by doing the proper
> > DMA API based ownership management.
> 
> That doesn't really work for uncached buffers.

What uncached buffers?


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ