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: <20070928010926.GM30013@sgi.com>
Date:	Thu, 27 Sep 2007 18:09:26 -0700
From:	akepner@....com
To:	Grant Grundler <grundler@...isc-linux.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Jes Sorensen <jes@....com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	RolandDreier <rdreier@...co.com>,
	James Bottomley <James.Bottomley@...eleye.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] allow drivers to flush in-flight DMA v2


On Altix, DMA may be reordered between a device and host memory. 
This reordering can happen in the NUMA interconnect, and it usually 
results in correct operation and improved performance. In some 
situations it may be necessary to explicitly synchronize DMA from 
the device.

This patchset allows a memory region to be mapped with a "dmabarrier". 
Writes to the memory region will cause in-flight DMA to be flushed, 
providing a mechanism to order DMA from a device.

There are 4 patches in this patchset:

  [1/4] dma: add dma_flags_set_dmabarrier() to dma interface
  [2/4] dma: redefine dma_flags_set_dmabarrier() for sn-ia64
  [3/4] dma: document dma_flags_set_dmabarrier()
  [4/4] mthca: allow setting "dmabarrier" on user-allocated memory

-- 
Arthur

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ