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Date: Tue, 30 May 2017 12:18:36 +0100 From: Will Deacon <will.deacon@....com> To: Sunil Kovvuri <sunil.kovvuri@...il.com> Cc: Robin Murphy <robin.murphy@....com>, iommu@...ts.linux-foundation.org, LKML <linux-kernel@...r.kernel.org>, LAKML <linux-arm-kernel@...ts.infradead.org>, Robert Richter <robert.richter@...ium.com>, jcm@...hat.com, Sunil Goutham <sgoutham@...ium.com> Subject: Re: [PATCH v2] iommu/arm-smmu-v3: Increase CMDQ drain timeout value 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@...il.com> wrote: > > From: Sunil Goutham <sgoutham@...ium.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@...ium.com> [...] > Gentle reminder for patch review. Sorry, I forgot to push this out. Should be on my iommu/devel branch now. Will
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