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Date:   Mon, 4 Dec 2023 09:27:32 -0400
From:   Jason Gunthorpe <jgg@ziepe.ca>
To:     Baolu Lu <baolu.lu@linux.intel.com>
Cc:     Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Kevin Tian <kevin.tian@intel.com>,
        Jean-Philippe Brucker <jean-philippe@linaro.org>,
        Nicolin Chen <nicolinc@nvidia.com>,
        Yi Liu <yi.l.liu@intel.com>,
        Jacob Pan <jacob.jun.pan@linux.intel.com>,
        Yan Zhao <yan.y.zhao@intel.com>, iommu@lists.linux.dev,
        kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 12/12] iommu: Improve iopf_queue_flush_dev()
Message-ID: <20231204132732.GM1489931@ziepe.ca>
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On Mon, Dec 04, 2023 at 11:46:30AM +0800, Baolu Lu wrote:
> On 12/2/23 4:35 AM, Jason Gunthorpe wrote:

> I am wondering whether we can take patch 1/12 ~ 10/12 of this series as
> a first step, a refactoring effort to support delivering iopf to
> userspace? I will follow up with one or multiple series to add the
> optimizations.

I think that is reasonable, though I would change the earlier patch to
use RCU to obtain the fault data.

Jason