From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [PATCH v9 0/3] Cavium ThunderX2 SMMUv3 errata workarounds Date: Thu, 22 Jun 2017 19:22:57 +0100 Message-ID: <20170622182257.GI15336@arm.com> References: <1498133138-20244-1-git-send-email-gakula@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1498133138-20244-1-git-send-email-gakula-M3mlKVOIwJVv6pq1l3V1OdBPR1lH4CV8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Geetha sowjanya Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, devel-E0kO6a4B6psdnm+yROfE0A@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, Charles.Garcia-Tobin-5wv7dgnIgG8@public.gmane.org, geethasowjanya.akula-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, jcm-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linu.cherian-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org, rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org, robert.moore-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, sudeep.holla-5wv7dgnIgG8@public.gmane.org, sgoutham-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org, robert.richter-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org, lv.zheng-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org List-Id: linux-acpi@vger.kernel.org On Thu, Jun 22, 2017 at 05:35:35PM +0530, Geetha sowjanya wrote: > Cavium ThunderX2 SMMUv3 implementation has two Silicon Erratas. > 1. Errata ID #74 > SMMU register alias Page 1 is not implemented > 2. Errata ID #126 > SMMU doesnt support unique IRQ lines and also MSI for gerror, > eventq and cmdq-sync > > The following patchset does software workaround for these two erratas. I've picked up the first two patches, and left comments on the final patch. Will