Re: [PATCHv16 11/17] x86/mm/iommu/sva: Make LAM and SVA mutually exclusive

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To: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Subject: Re: [PATCHv16 11/17] x86/mm/iommu/sva: Make LAM and SVA mutually exclusive
From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Date: Mon, 3 Apr 2023 13:27:02 +0300
Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, x86@xxxxxxxxxx, Kostya Serebryany <kcc@xxxxxxxxxx>, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>, Andrey Konovalov <andreyknvl@xxxxxxxxx>, Alexander Potapenko <glider@xxxxxxxxxx>, Taras Madan <tarasmadan@xxxxxxxxxx>, "H . J . Lu" <hjl.tools@xxxxxxxxx>, Andi Kleen <ak@xxxxxxxxxxxxxxx>, Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>, Bharata B Rao <bharata@xxxxxxx>, Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>, Ashok Raj <ashok.raj@xxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
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In-reply-to: <CACT4Y+YfqSMsZArhh25TESmG-U4jO5Hjphz87wKSnTiaw2Wrfw@mail.gmail.com>
References: <20230312112612.31869-1-kirill.shutemov@linux.intel.com> <20230312112612.31869-12-kirill.shutemov@linux.intel.com> <CACT4Y+bnR=v0vUC_wTpd98Kpfd1KK--daPwjgnBL__r+wbHUkw@mail.gmail.com> <20230403094419.zl2ncsd4qyd35fex@box> <CACT4Y+Y8ANFPwGd+UALu63mLxWoiiXnp2Z5GXnFhg14DdJUc=A@mail.gmail.com> <20230403101707.satsniziz3tn2zyd@box> <CACT4Y+YfqSMsZArhh25TESmG-U4jO5Hjphz87wKSnTiaw2Wrfw@mail.gmail.com>

On Mon, Apr 03, 2023 at 12:22:01PM +0200, Dmitry Vyukov wrote:
> Then I misunderstood what it means. Ignore.
> 
> While we are here:
> 
>         if (mm_valid_pasid(mm) &&
>             !test_bit(MM_CONTEXT_FORCE_TAGGED_SVA, &mm->context.flags))
>                 return -EINTR;
> 
> should be EINVAL?

Yes. My bad. Will fix.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov

References:
- [PATCHv16 00/17] Linear Address Masking enabling
  - From: Kirill A. Shutemov
- [PATCHv16 11/17] x86/mm/iommu/sva: Make LAM and SVA mutually exclusive
  - From: Kirill A. Shutemov
- Re: [PATCHv16 11/17] x86/mm/iommu/sva: Make LAM and SVA mutually exclusive
  - From: Dmitry Vyukov
- Re: [PATCHv16 11/17] x86/mm/iommu/sva: Make LAM and SVA mutually exclusive
  - From: Kirill A. Shutemov
- Re: [PATCHv16 11/17] x86/mm/iommu/sva: Make LAM and SVA mutually exclusive
  - From: Dmitry Vyukov
- Re: [PATCHv16 11/17] x86/mm/iommu/sva: Make LAM and SVA mutually exclusive
  - From: Kirill A. Shutemov
- Re: [PATCHv16 11/17] x86/mm/iommu/sva: Make LAM and SVA mutually exclusive
  - From: Dmitry Vyukov

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