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Message-ID: <8be32518-ce53-744a-9fe5-9f2a33095c18@amd.com>
Date: Tue, 5 Sep 2023 10:29:37 +0530
From: Vasant Hegde <vasant.hegde@....com>
To: Tina Zhang <tina.zhang@...el.com>, Jason Gunthorpe <jgg@...pe.ca>,
Kevin Tian <kevin.tian@...el.com>,
Lu Baolu <baolu.lu@...ux.intel.com>
Cc: Michael Shavit <mshavit@...gle.com>, iommu@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 6/6] mm: Deprecate pasid field
On 9/5/2023 5:39 AM, Tina Zhang wrote:
> Drop the pasid field, as all the information needed for sva domain
> management has been moved to the newly added iommu_mm field.
>
> Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Signed-off-by: Tina Zhang <tina.zhang@...el.com>
Looks good to me.
Reviewed-by: Vasant Hegde <vasant.hegde@....com>
-Vasant
> ---
> include/linux/mm_types.h | 1 -
> mm/init-mm.c | 3 ---
> 2 files changed, 4 deletions(-)
>
> diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
> index b486f521afee..fb0e4416d9d7 100644
> --- a/include/linux/mm_types.h
> +++ b/include/linux/mm_types.h
> @@ -808,7 +808,6 @@ struct mm_struct {
> struct work_struct async_put_work;
>
> #ifdef CONFIG_IOMMU_SVA
> - u32 pasid;
> struct iommu_mm_data *iommu_mm;
> #endif
> #ifdef CONFIG_KSM
> diff --git a/mm/init-mm.c b/mm/init-mm.c
> index efa97b57acfd..69719291463e 100644
> --- a/mm/init-mm.c
> +++ b/mm/init-mm.c
> @@ -42,9 +42,6 @@ struct mm_struct init_mm = {
> #endif
> .user_ns = &init_user_ns,
> .cpu_bitmap = CPU_BITS_NONE,
> -#ifdef CONFIG_IOMMU_SVA
> - .pasid = IOMMU_PASID_INVALID,
> -#endif
> INIT_MM_CONTEXT(init_mm)
> };
>
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