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Message-ID: <4394654c47c4fcc2dc389cd916590bd643d18def.camel@linux.ibm.com>
Date: Tue, 29 Aug 2023 16:18:39 +0200
From: Niklas Schnelle <schnelle@...ux.ibm.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>,
Michael Shavit <mshavit@...gle.com>
Cc: iommu@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/5] mm: Deprecate pasid field
On Sun, 2023-08-27 at 16:44 +0800, 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.
I think it should say "Drop" instead of "Deprecate" in the subject line
as well since this is field is completely removed.
>
> Signed-off-by: Tina Zhang <tina.zhang@...el.com>
> ---
> 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 3fd65b7537f0e..6cb5cc53c4803 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 efa97b57acfd8..69719291463ed 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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