linux-kernel - Re: [PATCH] iommu: intel: remove flooding of non-error logs, when new-DMA-PTE is the same as old-DMA-PTE.

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Message-ID: <CAHP4M8VPem7xEtx3vQPm3bzCQif7JZFiXgiUGZVErTt5vhOF8A@mail.gmail.com>
Date:   Mon, 11 Oct 2021 11:49:33 +0530
From:   Ajay Garg <ajaygargnsit@...il.com>
To:     Alex Williamson <alex.williamson@...hat.com>
Cc:     Lu Baolu <baolu.lu@...ux.intel.com>,
        "Tian, Kevin" <kevin.tian@...el.com>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Subject: Re: [PATCH] iommu: intel: remove flooding of non-error logs, when
 new-DMA-PTE is the same as old-DMA-PTE.

The flooding was seen today again, after I booted the host-machine in
the morning.
Need to look what the heck is going on ...

On Sun, Oct 10, 2021 at 11:45 AM Ajay Garg <ajaygargnsit@...il.com> wrote:
>
> > I'll try and backtrack to the userspace process that is sending these ioctls.
> >
>
> The userspace process is qemu.
>
> I compiled qemu from latest source, installed via "sudo make install"
> on host-machine, rebooted the host-machine, and booted up the
> guest-machine on the host-machine. Now, no kernel-flooding is seen on
> the host-machine.
>
> For me, the issue is thus closed-invalid; admins may take the
> necessary action to officially mark ;)
>
>
> Thanks and Regards,
> Ajay