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

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Date:	Fri, 7 Mar 2008 13:01:18 -0800
From:	"stephane eranian" <eranian@...glemail.com>
To:	"Robert Richter" <robert.richter@....com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org, ak@...e.de
Subject: Re: [PATCH 2/3] perfmon x86 infrastructure definitions

Robert,

On Fri, Mar 7, 2008 at 3:42 AM, Robert Richter <robert.richter@....com> wrote:
>
> On 06.03.08 22:25:26, stephane eranian wrote:
>  > adds AMD Northbridge config MSR definition
>  >
>  > Signed-off-by: Stephane Eranian <eranian@...il.com>
>  > Signed-off-by: Robert Richter <robert.richter@....com>
>
>  > --- 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.
>
Ok, but I want to push what we have now. We can change this later.
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