linux-kernel - Re: [PATCH] iommu/amd: Fix event counter availability check

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Message-ID: <28294d78-3987-e47d-3609-d36dd2e993d1@molgen.mpg.de>
Date:   Wed, 24 Feb 2021 21:35:59 +0100
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Cc:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        Alexander Monakov <amonakov@...ras.ru>,
        Joerg Roedel <joro@...tes.org>
Subject: Re: [PATCH] iommu/amd: Fix event counter availability check

Dear Suravee,


Thank you for your reply.


Am 22.02.21 um 18:59 schrieb Suravee Suthikulpanit:
> This fix has been accepted in the upstream recently.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git/commit/?h=x86/amd 

Indeed. Linux pulled also pulled this [1].

> Could you please give this a try?

Yes, I did give it a try, but, unfortunately, the problem is unfixed. I 
commented on the Linux Bugzilla bug report #201753 [1].


Kind regards,

Paul


PS: It’d be great if you didn’t top post, and used interleaved style for 
responses.

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=201753
      "AMD-Vi: Unable to write to IOMMU perf counter"