Re: [PATCH v10 8/9] arch, mm: wire up memfd_secret system call were relevant

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To: Mike Rapoport <rppt@xxxxxxxxxx>
Subject: Re: [PATCH v10 8/9] arch, mm: wire up memfd_secret system call were relevant
From: Catalin Marinas <catalin.marinas@xxxxxxx>
Date: Mon, 23 Nov 2020 11:39:10 +0000
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Christopher Lameter <cl@xxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Elena Reshetova <elena.reshetova@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, James Bottomley <jejb@xxxxxxxxxxxxx>, "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxxxxx>, Michael Kerrisk <mtk.manpages@xxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>, Roman Gushchin <guro@xxxxxx>, Shuah Khan <shuah@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Tycho Andersen <tycho@xxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, linux-api@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-nvdimm@xxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>
In-reply-to: <20201123095432.5860-9-rppt@kernel.org>
References: <20201123095432.5860-1-rppt@kernel.org> <20201123095432.5860-9-rppt@kernel.org>
User-agent: Mutt/1.10.1 (2018-07-13)

On Mon, Nov 23, 2020 at 11:54:31AM +0200, Mike Rapoport wrote:
> diff --git a/arch/arm64/include/uapi/asm/unistd.h b/arch/arm64/include/uapi/asm/unistd.h
> index f83a70e07df8..ce2ee8f1e361 100644
> --- a/arch/arm64/include/uapi/asm/unistd.h
> +++ b/arch/arm64/include/uapi/asm/unistd.h
> @@ -20,5 +20,6 @@
>  #define __ARCH_WANT_SET_GET_RLIMIT
>  #define __ARCH_WANT_TIME32_SYSCALLS
>  #define __ARCH_WANT_SYS_CLONE3
> +#define __ARCH_WANT_MEMFD_SECRET
>  
>  #include <asm-generic/unistd.h>

For arm64:

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>

References:
- [PATCH v10 0/9] mm: introduce memfd_secret system call to create "secret" memory areas
  - From: Mike Rapoport
- [PATCH v10 8/9] arch, mm: wire up memfd_secret system call were relevant
  - From: Mike Rapoport

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