From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] iommu/iova: Don't try to copy anchor nodes
Date: Mon, 2 Oct 2017 15:47:49 +0200 [thread overview]
Message-ID: <20171002134749.GW8398@8bytes.org> (raw)
In-Reply-To: <3f64827632194aa89821d9183baa08321f00167d.1506941611.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
On Mon, Oct 02, 2017 at 11:53:31AM +0100, Robin Murphy wrote:
> Anchor nodes are not reserved IOVAs in the way that copy_reserved_iova()
> cares about - while the failure from reserve_iova() is benign since the
> target domain will already have its own anchor, we still don't want to
> be triggering spurious warnings.
>
> Reported-by: kernel test robot <fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
> ---
> drivers/iommu/iova.c | 3 +++
> 1 file changed, 3 insertions(+)
Added 'Fixes:'-tag and applied it, thanks Robin.
WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: Robin Murphy <robin.murphy@arm.com>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu/iova: Don't try to copy anchor nodes
Date: Mon, 2 Oct 2017 15:47:49 +0200 [thread overview]
Message-ID: <20171002134749.GW8398@8bytes.org> (raw)
In-Reply-To: <3f64827632194aa89821d9183baa08321f00167d.1506941611.git.robin.murphy@arm.com>
On Mon, Oct 02, 2017 at 11:53:31AM +0100, Robin Murphy wrote:
> Anchor nodes are not reserved IOVAs in the way that copy_reserved_iova()
> cares about - while the failure from reserve_iova() is benign since the
> target domain will already have its own anchor, we still don't want to
> be triggering spurious warnings.
>
> Reported-by: kernel test robot <fengguang.wu@intel.com>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
> drivers/iommu/iova.c | 3 +++
> 1 file changed, 3 insertions(+)
Added 'Fixes:'-tag and applied it, thanks Robin.
next prev parent reply other threads:[~2017-10-02 13:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-02 10:53 [PATCH] iommu/iova: Don't try to copy anchor nodes Robin Murphy
[not found] ` <3f64827632194aa89821d9183baa08321f00167d.1506941611.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2017-10-02 13:47 ` Joerg Roedel [this message]
2017-10-02 13:47 ` Joerg Roedel
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