From: Will Deacon <will.deacon@arm.com>
To: Sunil Kovvuri <sunil.kovvuri@gmail.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
LAKML <linux-arm-kernel@lists.infradead.org>,
Robert Richter <robert.richter@cavium.com>,
jcm@redhat.com, Sunil Goutham <sgoutham@cavium.com>
Subject: Re: [PATCH v2] iommu/arm-smmu-v3: Increase CMDQ drain timeout value
Date: Tue, 30 May 2017 12:18:36 +0100 [thread overview]
Message-ID: <20170530111835.GE32289@arm.com> (raw)
In-Reply-To: <CA+sq2Cc_6Wj-0wLG=5fTAS66Tyn=63=An-Ay7h=EV=mjDi2-MQ@mail.gmail.com>
Hi Sunil,
On Mon, May 29, 2017 at 02:41:59PM +0530, Sunil Kovvuri wrote:
> On Fri, May 5, 2017 at 4:47 PM, <sunil.kovvuri@gmail.com> wrote:
> > From: Sunil Goutham <sgoutham@cavium.com>
> >
> > Processing queue full of TLB invalidation commands might
> > take more time on some platforms than current timeout
> > of 100us. So increased drain timeout value.
> >
> > Also now udelay time is increased exponentially for each poll.
> >
> > Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
[...]
> Gentle reminder for patch review.
Sorry, I forgot to push this out. Should be on my iommu/devel branch now.
Will
prev parent reply other threads:[~2017-05-30 11:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-05 11:17 [PATCH v2] iommu/arm-smmu-v3: Increase CMDQ drain timeout value sunil.kovvuri
2017-05-29 9:11 ` Sunil Kovvuri
2017-05-30 11:18 ` Will Deacon [this message]
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