linux-kernel - add support for the global coherent pool to the dma core

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-next>] [day] [month] [year] [list]

Message-Id: <20210712061704.4162464-1-hch@lst.de>
Date:   Mon, 12 Jul 2021 08:16:57 +0200
From:   Christoph Hellwig <hch@....de>
To:     iommu@...ts.linux-foundation.org,
        Russell King <linux@...linux.org.uk>,
        Brian Cain <bcain@...eaurora.org>
Cc:     Dillon Min <dillon.minfei@...il.com>,
        Vladimir Murzin <vladimir.murzin@....com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-hexagon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: add support for the global coherent pool to the dma core

Hi all,

this series adds support for using the global coherent (aka uncached)
pool to the generic dma-direct code and then switches arm-nommu and
hexagon over to it, together with a bunch of cleanups.

Diffstat:
 arch/arm/Kconfig                |    5 -
 arch/arm/mm/dma-mapping-nommu.c |  173 +---------------------------------------
 arch/hexagon/Kconfig            |    1 
 arch/hexagon/kernel/dma.c       |   57 ++-----------
 include/linux/dma-map-ops.h     |   18 ++--
 kernel/dma/Kconfig              |    4 
 kernel/dma/coherent.c           |  159 +++++++++++++++++-------------------
 kernel/dma/direct.c             |   15 +++
 8 files changed, 124 insertions(+), 308 deletions(-)