linux-kernel - Re: [PATCH] dma-mapping: fix lack of DMA address assignment in generic remap allocator

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Message-ID: <20181205123557.GA28929@ulmo>
Date:   Wed, 5 Dec 2018 13:35:57 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        Christoph Hellwig <hch@....de>,
        Robin Murphy <robin.murphy@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>, Guo Ren <ren_guo@...ky.com>,
        Laura Abbott <labbott@...hat.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] dma-mapping: fix lack of DMA address assignment in
 generic remap allocator

On Wed, Dec 05, 2018 at 11:14:01AM +0100, Marek Szyprowski wrote:
> Commit bfd56cd60521 ("dma-mapping: support highmem in the generic remap
> allocator") replaced dma_direct_alloc_pages() with __dma_direct_alloc_pages(),
> which doesn't set dma_handle and zero allocated memory. Fix it by doing this
> directly in the caller function.
> 
> Fixes: bfd56cd60521 ("dma-mapping: support highmem in the generic remap allocator")
> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> ---
>  kernel/dma/remap.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)

Tested-by: Thierry Reding <treding@...dia.com>

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