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Date:   Wed, 24 Jul 2019 16:25:04 -0300
From:   Jason Gunthorpe <jgg@ziepe.ca>
To:     Andrey Konovalov <andreyknvl@google.com>
Cc:     linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org,
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        Kees Cook <keescook@chromium.org>,
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Subject: Re: [PATCH v19 11/15] IB/mlx4: untag user pointers in
 mlx4_get_umem_mr
Message-ID: <20190724192504.GA5716@ziepe.ca>
References: <cover.1563904656.git.andreyknvl@google.com>
 <7969018013a67ddbbf784ac7afeea5a57b1e2bcb.1563904656.git.andreyknvl@google.com>
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On Tue, Jul 23, 2019 at 07:58:48PM +0200, Andrey Konovalov wrote:
> This patch is a part of a series that extends kernel ABI to allow to pass
> tagged user pointers (with the top byte set to something else other than
> 0x00) as syscall arguments.
> 
> mlx4_get_umem_mr() uses provided user pointers for vma lookups, which can
> only by done with untagged pointers.
> 
> Untag user pointers in this function.
> 
> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> Reviewed-by: Kees Cook <keescook@chromium.org>
> Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> ---
>  drivers/infiniband/hw/mlx4/mr.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Applied to rdma-for next, please don't sent it via other trees :)

Thanks,
Jason