linux-kernel - Re: [patch 8/8] iommu: rename the DMAR and INTR

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Message-ID: <1314210333.16133.9.camel@sbsiddha-desk.sc.intel.com>
Date:	Wed, 24 Aug 2011 11:25:33 -0700
From:	Suresh Siddha <suresh.b.siddha@...el.com>
To:	"Roedel, Joerg" <Joerg.Roedel@....com>
Cc:	Yinghai Lu <yinghai@...nel.org>, "mingo@...e.hu" <mingo@...e.hu>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"hpa@...or.com" <hpa@...or.com>,
	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"Song, Youquan" <youquan.song@...el.com>,
	"Luck, Tony" <tony.luck@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [patch 8/8] iommu: rename the DMAR and INTR_REMAP config options

On Wed, 2011-08-24 at 01:28 -0700, Roedel, Joerg wrote:
> On Wed, Aug 24, 2011 at 02:47:55AM -0400, Yinghai Lu wrote:
> > On 08/23/2011 05:05 PM, Suresh Siddha wrote:
> > > Change the CONFIG_DMAR to CONFIG_INTEL_IOMMU to be consistent with the other
> > > IOMMU options.
> > > 
> > > Rename the CONFIG_INTR_REMAP to CONFIG_IRQ_REMAP to match the irq
> > > subsystem name.
> > > 
> > > And define the CONFIG_DMAR_TABLE for the common ACPI DMAR routines
> > > shared by both CONFIG_INTEL_IOMMU and CONFIG_IRQ_REMAP.
> > 
> > is there something like IRQ_REMAP from AMD?
> 
> Yes there is. And I digged already through the existing VT-d code to see
> how it can be implemented side by side. Doesn't seem easy but should be
> doable. And it is on my list for the not too-distant future.

yeah I was not sure how different AMD's implementation is and so left it
as generic IRQ_REMAP. We can revisit this when the AMD's implementation
comes alive.

thanks,
suresh

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