linux-kernel - [PATCH 0/2] Couple of trivial fixes for LAM vs. SVA interaction

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Message-Id: <20230403111020.3136-1-kirill.shutemov@linux.intel.com>
Date:   Mon,  3 Apr 2023 14:10:18 +0300
From:   "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, Kostya Serebryany <kcc@...gle.com>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Taras Madan <tarasmadan@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        "H . J . Lu" <hjl.tools@...il.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Rick Edgecombe <rick.p.edgecombe@...el.com>,
        Bharata B Rao <bharata@....com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        Ashok Raj <ashok.raj@...el.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [PATCH 0/2] Couple of trivial fixes for LAM vs. SVA interaction

- Do not allow to set FORCE_TAGGED_SVA bit for other process;

- Use EINVAL instead of EINTR for LAM enabling failure due to SVA;

Kirill A. Shutemov (2):
  x86/mm/iommu/sva: Fix error code for LAM enabling failure due to SVA
  x86/mm/iommu/sva: Do not allow to set FORCE_TAGGED_SVA bit from
    outside

 arch/x86/kernel/process_64.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

-- 
2.39.2