linux-kernel - Re: wan-cosa: Use memdup_user() rather than duplicating its implementation

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Message-ID: <375bce2b-6c19-902e-65ce-cccaedd2184e@users.sourceforge.net>
Date:   Wed, 24 Aug 2016 18:14:13 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Jan Kasprzak <kas@...muni.cz>
Cc:     netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>
Subject: Re: wan-cosa: Use memdup_user() rather than duplicating its
 implementation

> 	What about the GFP_DMA attribute, which your patch deletes?
> The buffer in question has to be ISA DMA-able.

Thanks for your constructive feedback.

Would you be interested in using a variant of the function "memdup_…"
with which the corresponding memory allocation option can be preserved?

Regards,
Markus