From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751078AbdE3LSd (ORCPT ); Tue, 30 May 2017 07:18:33 -0400 Received: from foss.arm.com ([217.140.101.70]:57584 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750902AbdE3LSc (ORCPT ); Tue, 30 May 2017 07:18:32 -0400 Date: Tue, 30 May 2017 12:18:36 +0100 From: Will Deacon To: Sunil Kovvuri Cc: Robin Murphy , iommu@lists.linux-foundation.org, LKML , LAKML , Robert Richter , jcm@redhat.com, Sunil Goutham Subject: Re: [PATCH v2] iommu/arm-smmu-v3: Increase CMDQ drain timeout value Message-ID: <20170530111835.GE32289@arm.com> References: <1493983066-28202-1-git-send-email-sunil.kovvuri@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Sunil, On Mon, May 29, 2017 at 02:41:59PM +0530, Sunil Kovvuri wrote: > On Fri, May 5, 2017 at 4:47 PM, wrote: > > From: Sunil Goutham > > > > 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 [...] > Gentle reminder for patch review. Sorry, I forgot to push this out. Should be on my iommu/devel branch now. Will