linux-kernel - Re: [PATCH v2 1/2] uio: provide vm access to UIO_MEM

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Message-ID: <20130729200914.GA6146@kroah.com>
Date:	Mon, 29 Jul 2013 13:09:14 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	"Hans J. Koch" <hjk@...sjkoch.de>, linux-kernel@...r.kernel.org,
	kernel@...gutronix.de
Subject: Re: [PATCH v2 1/2] uio: provide vm access to UIO_MEM_PHYS maps

On Sun, Jul 28, 2013 at 12:09:37AM +0200, Uwe Kleine-König wrote:
> This makes it possible to let gdb access mappings of the process that is
> being debugged.
> 
> uio_mmap_logical was moved and uio_vm_ops renamed to group related code
> and differentiate to new stuff.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> ---
> Changes since v1:
>     - only use generic_access_phys ifdef CONFIG_HAVE_IOREMAP_PROT
>     - fix all users of renamed struct

I still get a build error with this patch:

  MODPOST 384 modules
ERROR: "generic_access_phys" [drivers/uio/uio.ko] undefined!

So something isn't quite right.

greg k-h
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