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Date:   Wed, 22 May 2019 11:56:10 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Andrey Konovalov <andreyknvl@google.com>
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Subject: Re: [PATCH v15 04/17] mm: add ksys_ wrappers to memory syscalls
Message-ID: <20190522105609.jpmaiq3adyh6apx2@mbp>
References: <cover.1557160186.git.andreyknvl@google.com>
 <55496bc72542ec14c4c8de23a4df235644013911.1557160186.git.andreyknvl@google.com>
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On Mon, May 06, 2019 at 06:30:50PM +0200, Andrey Konovalov wrote:
> This patch is a part of a series that extends arm64 kernel ABI to allow to
> pass tagged user pointers (with the top byte set to something else other
> than 0x00) as syscall arguments.
> 
> This patch adds ksys_ wrappers to the following memory syscalls:
> 
> brk, get_mempolicy (renamed kernel_get_mempolicy -> ksys_get_mempolicy),
> madvise, mbind (renamed kernel_mbind -> ksys_mbind), mincore,
> mlock (renamed do_mlock -> ksys_mlock), mlock2, mmap_pgoff,
> mprotect (renamed do_mprotect_pkey -> ksys_mprotect_pkey), mremap, msync,
> munlock, munmap, remap_file_pages, shmat, shmdt.
> 
> The next patch in this series will add a custom implementation for these
> syscalls that makes them accept tagged pointers on arm64.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@google.com>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>