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From: Peter Zijlstra <peterz@infradead.org>
To: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Cc: joro@8bytes.org, bp@alien8.de, mingo@redhat.com, acme@kernel.org,
	andihartmann@freenet.de, vw@iommu.org, labbott@redhat.com,
	linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org
Subject: Re: [PATCH V5 02/10] perf/amd/iommu: Consolidate and move perf_event_amd_iommu header
Date: Mon, 14 Mar 2016 10:58:56 +0100	[thread overview]
Message-ID: <20160314095856.GL6344@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <56E64B68.3090505@amd.com>

On Mon, Mar 14, 2016 at 12:26:00PM +0700, Suravee Suthikulpanit wrote:
> Hi,
> 
> On 03/12/2016 08:22 PM, Peter Zijlstra wrote:
> >On Tue, Feb 23, 2016 at 08:12:36AM -0600, Suravee Suthikulpanit wrote:
> >>From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
> >>
> >>First, this patch move arch/x86/events/amd/iommu.h to
> >>arch/x86/include/asm/perf/amd/iommu.h so that we easily include
> >>it in both perf-amd-iommu and amd-iommu drivers.
> >>
> >>Then, we consolidate declaration of AMD IOMMU performance counter
> >>APIs into one file.
> >
> >These seem two independent thingies; should this therefore not be 2
> >patches?
> >
> >>Reviewed-by: Joerg Roedel <jroedel@suse.de>
> >>Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
> >>---
> >>  arch/x86/events/amd/iommu.c           |  2 +-
> >>  arch/x86/events/amd/iommu.h           | 40 ---------------------------------
> >>  arch/x86/include/asm/perf/amd/iommu.h | 42 +++++++++++++++++++++++++++++++++++
> >
> >That seems somewhat excessive. Not only do you create
> >arch/x86/include/asm/perf/ you then put another directory on top of
> >that.
> >
> 
> The original header files (arch/x86/events/amd/iommu.h and
> drivers/iommu/amd_iommu_proto.h) has duplicate function declarations. So,
> with the new header file being in the arch/x86/include/asm/perf/amd/iommu.h,
> we can just have one function declaration.
> 
> So, you just want to separate the file moving part and the part that removes
> of the duplication?

I'm fine with a new header, it just seems putting it in a two deep
direcotry hierarchy of its own that seems excessive.

  reply	other threads:[~2016-03-14  9:59 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-23 14:12 [PATCH V5 00/10] perf/amd/iommu: Enable multi-IOMMU support Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 01/10] perf/amd/iommu: Misc fix up perf_iommu_read Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 02/10] perf/amd/iommu: Consolidate and move perf_event_amd_iommu header Suravee Suthikulpanit
2016-03-12 13:22   ` Peter Zijlstra
2016-03-14  5:26     ` Suravee Suthikulpanit
2016-03-14  9:58       ` Peter Zijlstra [this message]
2016-03-14 13:37         ` Suravee Suthikulpanit
2016-03-14 14:19           ` Borislav Petkov
2016-03-14 16:39             ` Peter Zijlstra
2016-03-15  0:39               ` Suravee Suthikulpanit
2016-03-15  8:44                 ` Peter Zijlstra
2016-03-15 10:40                 ` Borislav Petkov
2016-03-15 10:53                   ` Peter Zijlstra
2016-03-18  7:07                     ` Suravee Suthikulpanit
2016-03-18  9:04                       ` Borislav Petkov
2016-03-18  9:09                         ` Suravee Suthikulpanit
2016-03-18  9:29                           ` Borislav Petkov
2016-03-18 10:06                             ` Suravee Suthikulpanit
2016-03-18 10:39                               ` Borislav Petkov
2016-03-18 11:11                                 ` Joerg Roedel
2016-03-18 11:33                                   ` Borislav Petkov
2016-02-23 14:12 ` [PATCH V5 03/10] perf/amd/iommu: Modify functions to query max banks and counters Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 04/10] perf/amd/iommu: Modify IOMMU API to allow specifying IOMMU index Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 05/10] perf/amd/iommu: Declare pr_fmt and remove unnecessary pr_debug Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 06/10] perf/amd/iommu: Clean up perf_iommu_enable_event Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 07/10] perf/amd/iommu: Clean up get_next_available_iommu_bnk_cntr Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 08/10] perf/amd/iommu: Rename struct perf_amd_iommu to perf_iommu Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 09/10] iommu/amd: Introduce amd_iommu_get_num_iommus() Suravee Suthikulpanit
2016-02-23 14:12 ` [PATCH V5 10/10] perf/amd/iommu: Enable support for multiple IOMMUs Suravee Suthikulpanit
2016-02-25 14:54 ` [PATCH V5 00/10] perf/amd/iommu: Enable multi-IOMMU support Joerg Roedel
2016-03-07  1:44   ` Suravee Suthikulpanit

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