linux-kernel - Re: [PATCH V5 02/10] perf/amd/iommu: Consolidate and move perf_event_amd

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Date:	Tue, 15 Mar 2016 11:53:18 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>,
	joro@...tes.org, mingo@...hat.com, acme@...nel.org,
	andihartmann@...enet.de, vw@...mu.org, labbott@...hat.com,
	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org
Subject: Re: [PATCH V5 02/10] perf/amd/iommu: Consolidate and move
 perf_event_amd_iommu header

On Tue, Mar 15, 2016 at 11:40:17AM +0100, Borislav Petkov wrote:
> On Tue, Mar 15, 2016 at 07:39:31AM +0700, Suravee Suthikulpanit wrote:
> > What if I just merge the newly introduced arch/x86/include/perf/amd/iommu.h
> > into the include/linux/amd-iommu.h? I do not see the point of having to
> > separate things out into two files.
> 
> Except that this header has x86-specific stuff and include/linux/ is
> arch-agnostic.

Which would suggest that header is placed wrong, because I would expect
the amd-iommu to really be rather x86 specific. Or is AMD making ARM
parts for which this is useful too?