From: Catalin Marinas <catalin.marinas@arm.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
x86@kernel.org, Kostya Serebryany <kcc@google.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Andrey Konovalov <andreyknvl@gmail.com>,
Alexander Potapenko <glider@google.com>,
Taras Madan <tarasmadan@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
"H . J . Lu" <hjl.tools@gmail.com>,
Andi Kleen <ak@linux.intel.com>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Bharata B Rao <bharata@amd.com>,
Jacob Pan <jacob.jun.pan@linux.intel.com>,
Ashok Raj <ashok.raj@intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Will Deacon <will@kernel.org>
Subject: Re: [PATCHv11 09/16] mm: Expose untagging mask in /proc/$PID/status
Date: Fri, 28 Oct 2022 15:02:28 +0100 [thread overview]
Message-ID: <Y1vg9J9CtD9h5DCW@arm.com> (raw)
In-Reply-To: <20221025001722.17466-10-kirill.shutemov@linux.intel.com>
On Tue, Oct 25, 2022 at 03:17:15AM +0300, Kirill A. Shutemov wrote:
> diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
> index d3f8b5df0c1f..81ac12d69795 100644
> --- a/arch/arm64/include/asm/mmu_context.h
> +++ b/arch/arm64/include/asm/mmu_context.h
> @@ -278,6 +278,12 @@ void post_ttbr_update_workaround(void);
> unsigned long arm64_mm_context_get(struct mm_struct *mm);
> void arm64_mm_context_put(struct mm_struct *mm);
>
> +#define mm_untag_mask mm_untag_mask
> +static inline unsigned long mm_untag_mask(struct mm_struct *mm)
> +{
> + return -1UL >> 8;
> +}
> +
> #include <asm-generic/mmu_context.h>
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2022-10-28 14:02 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-25 0:17 [PATCHv11 00/16] Linear Address Masking enabling Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 01/16] x86/mm: Fix CR3_ADDR_MASK Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 02/16] x86: CPUID and CR3/CR4 flags for Linear Address Masking Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 03/16] mm: Pass down mm_struct to untagged_addr() Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 04/16] x86/mm: Handle LAM on context switch Kirill A. Shutemov
2022-11-07 14:58 ` Andy Lutomirski
2022-11-07 17:14 ` Kirill A. Shutemov
2022-11-07 18:02 ` Dave Hansen
2022-11-07 21:35 ` [PATCHv11.1 " Kirill A. Shutemov
2022-11-09 3:54 ` Andy Lutomirski
2022-11-09 9:17 ` kirill
2022-10-25 0:17 ` [PATCHv11 05/16] x86/uaccess: Provide untagged_addr() and remove tags before address check Kirill A. Shutemov
2022-11-07 14:50 ` Andy Lutomirski
2022-11-07 17:33 ` Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 06/16] KVM: Serialize tagged address check against tagging enabling Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 07/16] x86/mm: Provide arch_prctl() interface for LAM Kirill A. Shutemov
2022-11-07 21:37 ` [PATCHv11.1 " Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 08/16] x86/mm: Reduce untagged_addr() overhead until the first LAM user Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 09/16] mm: Expose untagging mask in /proc/$PID/status Kirill A. Shutemov
2022-10-28 14:02 ` Catalin Marinas [this message]
2022-10-25 0:17 ` [PATCHv11 10/16] iommu/sva: Replace pasid_valid() helper with mm_valid_pasid() Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 11/16] x86/mm, iommu/sva: Make LAM and SVA mutually exclusive Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 12/16] selftests/x86/lam: Add malloc and tag-bits test cases for linear-address masking Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 13/16] selftests/x86/lam: Add mmap and SYSCALL " Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 14/16] selftests/x86/lam: Add io_uring " Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 15/16] selftests/x86/lam: Add inherit " Kirill A. Shutemov
2022-10-25 0:17 ` [PATCHv11 16/16] selftests/x86/lam: Add ARCH_FORCE_TAGGED_SVA " Kirill A. Shutemov
2022-11-07 11:25 ` [PATCHv11 00/16] Linear Address Masking enabling Kirill A. Shutemov
2022-11-07 14:59 ` Andy Lutomirski
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