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Date:   Sun, 15 Nov 2020 10:56:53 +0200
From:   Mike Rapoport <rppt@kernel.org>
To:     Catalin Marinas <catalin.marinas@arm.com>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Andy Lutomirski <luto@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>,
        Christopher Lameter <cl@linux.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        David Hildenbrand <david@redhat.com>,
        Elena Reshetova <elena.reshetova@intel.com>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
        James Bottomley <jejb@linux.ibm.com>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        Matthew Wilcox <willy@infradead.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Michael Kerrisk <mtk.manpages@gmail.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
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        x86@kernel.org, Palmer Dabbelt <palmerdabbelt@google.com>
Subject: Re: [PATCH v8 8/9] arch, mm: wire up memfd_secret system call were
 relevant
Message-ID: <20201115085653.GW4758@kernel.org>
References: <20201110151444.20662-1-rppt@kernel.org>
 <20201110151444.20662-9-rppt@kernel.org>
 <20201113122507.GC3212@gaia>
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In-Reply-To: <20201113122507.GC3212@gaia>
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On Fri, Nov 13, 2020 at 12:25:08PM +0000, Catalin Marinas wrote:
> Hi Mike,
> 
> On Tue, Nov 10, 2020 at 05:14:43PM +0200, Mike Rapoport wrote:
> > diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
> > index 6c1dcca067e0..c71c3fe0b6cd 100644
> > --- a/arch/arm64/include/asm/unistd32.h
> > +++ b/arch/arm64/include/asm/unistd32.h
> > @@ -891,6 +891,8 @@ __SYSCALL(__NR_faccessat2, sys_faccessat2)
> >  __SYSCALL(__NR_process_madvise, sys_process_madvise)
> >  #define __NR_watch_mount 441
> >  __SYSCALL(__NR_watch_mount, sys_watch_mount)
> > +#define __NR_memfd_secret 442
> > +__SYSCALL(__NR_memfd_secret, sys_memfd_secret)
> 
> arch/arm doesn't select ARCH_HAS_SET_DIRECT_MAP and doesn't support
> memfd_secret(), so I wouldn't add it to the compat layer.

Ok, I'll drop it.

> -- 
> Catalin

-- 
Sincerely yours,
Mike.