Messages in this thread | | | Date | Fri, 11 Jun 2021 14:50:39 +0100 | From | Will Deacon <> | Subject | Re: [PATCH v3 3/6] iommu: Improve iommu_iotlb_gather helpers |
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On Mon, Jun 07, 2021 at 11:25:38AM -0700, Nadav Amit wrote: > From: Robin Murphy <robin.murphy@arm.com> > > The Mediatek driver is not the only one which might want a basic > address-based gathering behaviour, so although it's arguably simple > enough to open-code, let's factor it out for the sake of cleanliness. > Let's also take this opportunity to document the intent of these > helpers for clarity. > > Cc: Joerg Roedel <joro@8bytes.org> > Cc: Will Deacon <will@kernel.org> > Cc: Jiajun Cao <caojiajun@vmware.com> > Cc: Robin Murphy <robin.murphy@arm.com> > Cc: Lu Baolu <baolu.lu@linux.intel.com> > Cc: iommu@lists.linux-foundation.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Robin Murphy <robin.murphy@arm.com> > > --- > > Changes from Robin's version: > * Added iommu_iotlb_gather_add_range() stub !CONFIG_IOMMU_API > * Use iommu_iotlb_gather_add_range() in iommu_iotlb_gather_add_page() > --- > drivers/iommu/mtk_iommu.c | 5 +---- > include/linux/iommu.h | 43 ++++++++++++++++++++++++++++++++++----- > 2 files changed, 39 insertions(+), 9 deletions(-)
Acked-by: Will Deacon <will@kernel.org>
Will
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