netdev - Re: [net-next-2.6 PATCH 1/3] ixgbe: Fix DMA mapping/unmapping issues when HWRSC is enabled on IOMMU enabled kernels

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: <20100226.021038.163265697.davem@davemloft.net>
Date:	Fri, 26 Feb 2010 02:10:38 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	mallikarjuna.chilakala@...el.com
Subject: Re: [net-next-2.6 PATCH 1/3] ixgbe: Fix DMA mapping/unmapping
 issues when HWRSC is enabled on IOMMU enabled kernels

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Fri, 26 Feb 2010 01:14:37 -0800

> From: Mallikarjuna R Chilakala <mallikarjuna.chilakala@...el.com>
> 
> Work around 82599 HW issue when HWRSC is enabled on IOMMU enabled
> kernels. 82599 HW is updating the header information after setting the
> descriptor to done, resulting DMA mapping/unmapping issues on IOMMU
> enabled systems. To work around the issue delay unmapping of first packet
> that carries the header information until end of packet is reached.
> 
> Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html