From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Garry Subject: Re: [PATCH v2 0/8] io-pgtable lock removal Date: Fri, 23 Jun 2017 09:47:16 +0100 Message-ID: <61b7b953-5bf4-eb45-c3e8-b4491e8fdca7@huawei.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: 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: Robin Murphy , will.deacon-5wv7dgnIgG8@public.gmane.org, joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org Cc: sunil.goutham-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org, thunder.leizhen-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, wangzhou1-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org, Linuxarm , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, ray.jui-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linu.cherian-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org List-Id: iommu@lists.linux-foundation.org On 22/06/2017 16:53, Robin Murphy wrote: > The feedback has been promising, so v2 is just a final update to cover > a handful of memory ordering and cosmetic tweaks that came up when Will > and I went through this offline. > > Thanks, > Robin. Hi Robin, Is it worth us retesting this patchset? If yes, as for a branch (for convenience), does this one now match v2: git://linux-arm.org/linux-rm iommu/pgtable I saw it was rewritten recently. Thanks, John > > > Robin Murphy (8): > iommu/io-pgtable-arm-v7s: Check table PTEs more precisely > iommu/io-pgtable-arm: Improve split_blk_unmap > iommu/io-pgtable-arm-v7s: Refactor split_blk_unmap > iommu/io-pgtable: Introduce explicit coherency > iommu/io-pgtable-arm: Support lockless operation > iommu/io-pgtable-arm-v7s: Support lockless operation > iommu/arm-smmu: Remove io-pgtable spinlock > iommu/arm-smmu-v3: Remove io-pgtable spinlock > > drivers/iommu/arm-smmu-v3.c | 36 ++----- > drivers/iommu/arm-smmu.c | 48 ++++------ > drivers/iommu/io-pgtable-arm-v7s.c | 179 +++++++++++++++++++++------------- > drivers/iommu/io-pgtable-arm.c | 191 ++++++++++++++++++++++++------------- > drivers/iommu/io-pgtable.h | 6 ++ > 5 files changed, 274 insertions(+), 186 deletions(-) >