linux-kernel - Re: [PATCH v7 7/7] perf/amd/iommu: Enable support for multiple IOMMUs

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Message-ID: <20170114102924.jauqkdvdjatquhzu@pd.tnic>
Date:   Sat, 14 Jan 2017 11:29:24 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Cc:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        joro@...tes.org, peterz@...radead.org, mingo@...hat.com
Subject: Re: [PATCH v7 7/7] perf/amd/iommu: Enable support for multiple IOMMUs

On Sat, Jan 14, 2017 at 09:58:29AM +0700, Suravee Suthikulpanit wrote:
> I'll update the commit log to mention
> /bus/event_source/devices/amd_iommu_X instead.

Yes, so /sys/devices/ contains *all* devices on the system and the iommu
ones appear there too but since in the commit message you were talking
about PMUs but pointing at generic devices, it did confuse me.

But you're doing perf_pmu_register() anyway so the hierarchy will be fine.

Thanks.

-- 
Regards/Gruss,
    Boris.

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