From: Jeff Garzik <jeff@garzik.org>
To: Shaohua Li <shaohua.li@intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>,
linux-kernel@vger.kernel.org, akpm@osdl.org, ak@suse.de,
gregkh@suse.de, muli@il.ibm.com, asit.k.mallick@intel.com,
suresh.b.siddha@intel.com, anil.s.keshavamurthy@intel.com,
arjan@linux.intel.com,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [patch 0/8] [Intel IOMMU] Support for Intel Virtualization Technology for Directed I/O
Date: Tue, 10 Apr 2007 04:34:48 -0400 [thread overview]
Message-ID: <461B4C28.4010806@garzik.org> (raw)
In-Reply-To: <1176193673.6781.24.camel@sli10-conroe.sh.intel.com>
Shaohua Li wrote:
> DMA remapping just uses ACPI table to tell which dma remapping engine a
> pci device is controlled by at boot time. At run time, DMA remapping
> hasn't any interactive with ACPI.
The Linux kernel _really_ wants a non-ACPI way to detect this.
Just use the hardware registers themselves, you don't need an ACPI table.
Jeff
next prev parent reply other threads:[~2007-04-10 8:34 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-09 21:55 [patch 0/8] [Intel IOMMU] Support for Intel Virtualization Technology for Directed I/O Ashok Raj
2007-04-09 21:55 ` [patch 1/8] [Intel IOMMU] ACPI support " Ashok Raj
2007-04-10 3:39 ` Len Brown
2007-04-10 16:26 ` Ashok Raj
2007-04-09 21:55 ` [patch 2/8] [Intel IOMMU] Some generic search functions required to lookup device relationships Ashok Raj
2007-04-10 3:46 ` Greg KH
2007-04-10 8:11 ` Shaohua Li
2007-04-10 13:03 ` Greg KH
2007-04-11 1:40 ` Shaohua Li
2007-04-11 4:36 ` Greg KH
2007-04-11 6:10 ` Shaohua Li
2007-04-09 21:55 ` [patch 3/8] [Intel IOMMU] Generic hardware support for Intel IOMMU Ashok Raj
2007-04-09 21:55 ` [patch 4/8] [Intel IOMMU] Supporting Zero Length Reads in " Ashok Raj
2007-04-09 21:55 ` [patch 5/8] [Intel IOMMU] Graphics driver workarounds to provide unity map Ashok Raj
2007-04-10 8:33 ` Christoph Hellwig
2007-04-10 9:07 ` David Miller
2007-04-10 9:12 ` Andi Kleen
2007-04-11 2:40 ` Wang Zhenyu
2007-04-10 16:29 ` Arjan van de Ven
2007-04-09 21:55 ` [patch 6/8] [Intel IOMMU] Doc updates for Intel Virtualization Technology for Directed I/O Ashok Raj
2007-04-09 21:55 ` [patch 7/8] [Intel IOMMU] Support for legacy ISA devices Ashok Raj
2007-04-09 21:56 ` [patch 8/8] [Intel IOMMU] Preserve some Virtual Address when devices cannot address entire range Ashok Raj
2007-04-10 7:49 ` [patch 0/8] [Intel IOMMU] Support for Intel Virtualization Technology for Directed I/O Andi Kleen
2007-04-10 7:57 ` Shaohua Li
2007-04-10 8:09 ` Muli Ben-Yehuda
2007-04-10 8:20 ` Shaohua Li
2007-04-10 16:31 ` Ashok Raj
2007-04-10 8:21 ` Jeff Garzik
2007-04-10 8:27 ` Shaohua Li
2007-04-10 8:34 ` Jeff Garzik [this message]
2007-04-10 16:43 ` Ashok Raj
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