netdev - Re: MediaGX/GeodeGX1 requires X86

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Date:	Mon, 19 Feb 2007 14:57:04 -0500
From:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:	Roland Dreier <rdreier@...co.com>
Cc:	takada <takada@....nifty.com>, pcnet32@...izon.net,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: MediaGX/GeodeGX1 requires X86_OOSTORE.

On Mon, Feb 19, 2007 at 11:48:27AM -0800, Roland Dreier wrote:
>  > Does anyone know if there is any way to flush a cache line of the cpu to
>  > force rereading system memory for a given address or address range?
> 
> There is the "clflush" instruction, but not all x86 CPUs support it.
> You need to check the CPUID flag to know for sure (/proc/cpuinfo will
> show a "clflush" flag if it is supported).

Well I will check for that.  Of course it is still possible that is it
actually the network chip screwing up somehow.

--
Len Sorensen
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