Re: [PATCH 2/3] perfmon x86 infrastructure definitions

From: Robert Richter
Date: Fri Mar 07 2008 - 06:43:30 EST


On 06.03.08 22:25:26, stephane eranian wrote:
> adds AMD Northbridge config MSR definition
>
> Signed-off-by: Stephane Eranian <eranian@xxxxxxxxx>
> Signed-off-by: Robert Richter <robert.richter@xxxxxxx>

> --- a/include/asm-x86/msr-index.h
> +++ b/include/asm-x86/msr-index.h
> @@ -83,6 +83,7 @@
> /* AMD64 MSRs. Not complete. See the architecture manual for a more
> complete list. */
>
> +#define MSR_AMD64_NB_CFG 0xc001001f

This will probably not be needed after mm config works fine (patches
from Yinghai Lu). Since the usage of CF8 extended configuration cycles
is not recommended, the current code to enable IBS interrupts can be
seen as temporary. I will rework the IBS code so that it uses mm
config.

-Robert

--
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@xxxxxxx

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