Messages in this thread | | | From | Dmitry Safonov <> | Date | Thu, 3 Dec 2020 06:04:25 +0000 | Subject | Re: [RESEND PATCH v3 0/4] iommu/iova: Solve longterm IOVA issue |
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On Tue, 1 Dec 2020 at 21:50, Will Deacon <will@kernel.org> wrote: > > On Tue, 17 Nov 2020 18:25:30 +0800, John Garry wrote: > > This series contains a patch to solve the longterm IOVA issue which > > leizhen originally tried to address at [0]. > > > > A sieved kernel log is at the following, showing periodic dumps of IOVA > > sizes, per CPU and per depot bin, per IOVA size granule: > > https://raw.githubusercontent.com/hisilicon/kernel-dev/topic-iommu-5.10-iova-debug-v3/aging_test > > > > [...] > > Applied the final patch to arm64 (for-next/iommu/iova), thanks! > > [4/4] iommu: avoid taking iova_rbtree_lock twice > https://git.kernel.org/arm64/c/3a651b3a27a1
Glad it made in next, 2 years ago I couldn't convince iommu maintainer it's worth it (but with a different justification): https://lore.kernel.org/linux-iommu/20180621180823.805-3-dima@arista.com/
Thanks, Dmitry
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