From mboxrd@z Thu Jan 1 00:00:00 1970 From: robin.murphy@arm.com (Robin Murphy) Date: Fri, 23 Jun 2017 10:58:38 +0100 Subject: [PATCH v2 0/8] io-pgtable lock removal In-Reply-To: <61b7b953-5bf4-eb45-c3e8-b4491e8fdca7@huawei.com> References: <61b7b953-5bf4-eb45-c3e8-b4491e8fdca7@huawei.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 23/06/17 09:47, John Garry wrote: > 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. Indeed, I pushed the branch out before posting. Functionally it ought to be identical to v1, so this was more just a heads-up - feel free to double-check I've not broken anything, but I wouldn't say you need to throw the full test lab at it again. Thanks, Robin. > > 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(-) >> > >