Re: [PATCH] x86: perf: Clean up perf_event cpu code

[Peter Zijlstra]

On Fri, 2011-09-02 at 15:32 +0200, Peter Zijlstra wrote:
> On Tue, 2011-08-30 at 20:41 -0300, Kevin Winchester wrote:
> > The CPU support for perf events on x86 was implemented via included C files
> > with #ifdefs.  Clean this up by creating a new header file and compiling
> > the vendor-specific files as needed.
> > 
> > Signed-off-by: Kevin Winchester <kjwinchester@xxxxxxxxx>
> > ---
> > 
> > This is now against the tip tree.  I left it all as one big commit for now,
> > although I can break it up if necessary.  I'm just not sure it would gain much.
> > 
> > Again, this is by far the largest out of the handful of patches I have ever
> > submitted, so please let me know if I am doing anything wrong.
> > 
> 
> I've stuck it in the queue,. seems to work so far.
> 
> If Ingo doesn't complain, it ought to show up for the next release
> someplace ;-)

Ingo found that it failed to build on i386-up, the below delta (already
folded in the patch) cured things:


---
Index: linux-2.6/arch/x86/kernel/cpu/perf_event_intel.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/perf_event_intel.c
+++ linux-2.6/arch/x86/kernel/cpu/perf_event_intel.c
@@ -11,6 +11,7 @@
 #include <linux/slab.h>
 
 #include <asm/hardirq.h>
+#include <asm/apic.h>
 
 #include "perf_event.h"
 
Index: linux-2.6/arch/x86/kernel/cpu/perf_event_p4.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/perf_event_p4.c
+++ linux-2.6/arch/x86/kernel/cpu/perf_event_p4.c
@@ -11,6 +11,7 @@
 
 #include <asm/perf_event_p4.h>
 #include <asm/hardirq.h>
+#include <asm/apic.h>
 
 #include "perf_event.h"
 

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