linux-kernel - Re: [PATCH v1 0/1] Add immediate DMA support

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: <073ae0ed-32bf-4097-850c-832cccda6b58@sirena.org.uk>
Date: Thu, 21 Nov 2024 12:02:13 +0000
From: Mark Brown <broonie@...nel.org>
To: Jyothi Kumar Seerapu <quic_jseerapu@...cinc.com>
Cc: Vinod Koul <vkoul@...nel.org>, linux-arm-msm@...r.kernel.org,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-spi@...r.kernel.org, quic_msavaliy@...cinc.com,
	quic_vtanuku@...cinc.com
Subject: Re: [PATCH v1 0/1] Add immediate DMA support

On Thu, Nov 21, 2024 at 05:22:00PM +0530, Jyothi Kumar Seerapu wrote:
> The DMA TRE(Transfer ring element) buffer contains the DMA
> buffer address. Accessing data from this address can cause
> significant delays in SPI transfers, which can be mitigated to
> some extent by utilizing immediate DMA support.

Please don't send cover letters for single patches, if there is anything
that needs saying put it in the changelog of the patch or after the ---
if it's administrative stuff.  This reduces mail volume and ensures that 
any important information is recorded in the changelog rather than being
lost. 

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)