linux-kernel - Re: [PATCH v4 2/6] iommu/vt-d: Remove mm->pasid in intel_sva_bind

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Message-ID: <0f4fb712-28e3-8620-6a65-59c9b9d77740@linux.intel.com>
Date:   Wed, 13 Sep 2023 10:25:16 +0800
From:   Baolu Lu <baolu.lu@...ux.intel.com>
To:     Tina Zhang <tina.zhang@...el.com>, Jason Gunthorpe <jgg@...pe.ca>,
        Kevin Tian <kevin.tian@...el.com>
Cc:     baolu.lu@...ux.intel.com, Michael Shavit <mshavit@...gle.com>,
        Vasant Hegde <vasant.hegde@....com>, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/6] iommu/vt-d: Remove mm->pasid in
 intel_sva_bind_mm()

On 9/12/23 8:59 PM, Tina Zhang wrote:
> The pasid is passed in as a parameter through .set_dev_pasid() callback.
> Thus, intel_sva_bind_mm() can directly use it instead of retrieving the
> pasid value from mm->pasid.
> 
> Suggested-by: Lu Baolu<baolu.lu@...ux.intel.com>
> Signed-off-by: Tina Zhang<tina.zhang@...el.com>
> ---
>   drivers/iommu/intel/svm.c | 14 +++++++-------
>   1 file changed, 7 insertions(+), 7 deletions(-)

The intel_svm_bind_mm() could be further merged into
intel_svm_set_dev_pasid(). It's fine if you keep it as is since we need
more cleanup and refactoring work after this series get merged.

So,

Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>

Best regards,
baolu