Re: [PATCH] CONFIG_PACKET_MMAP should depend on MMU

From: Wu, Bryan
Date: Mon Apr 09 2007 - 05:48:40 EST


On Mon, 2007-04-09 at 11:01 +0800, Aubrey Li wrote:
> The option CONFIG_PACKET_MMAP should depend on MMU.
>
> Signed-off-by: Aubrey.Li <aubreylee@xxxxxxxxx>
> ---
> net/packet/Kconfig | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/net/packet/Kconfig b/net/packet/Kconfig
> index 34ff93f..959c272 100644
> --- a/net/packet/Kconfig
> +++ b/net/packet/Kconfig
> @@ -17,7 +17,7 @@ config PACKET
>
> config PACKET_MMAP
> bool "Packet socket: mmapped IO"
> - depends on PACKET
> + depends on PACKET && MMU
> help
> If you say Y here, the Packet protocol driver will use an IO
> mechanism that results in faster communication.

Yeah, this is a bug found on blackfin arch and it is also for other
NOMMU arch. Is there any solution for this? We think Aubrey's idea
works.

Thanks
-Bryan
-
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