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perf_counter: include missing header

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Impact: build fix

In order to compile a kernel with performance counter patches,
<asm/irq_regs.h> has to be included to provide the declaration of
struct pt_regs *get_irq_regs(void);

[ This bug was masked by unrelated x86 header file changes in the
  x86 tree, but occurs in the tip:perfcounters/core standalone
  tree. ]

Signed-off-by: Tim Blechmann <tim@klingt.org>
Orig-LKML-Reference: <20090314142925.49c29c17@thinkpad>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Tim Blechmann 2009-03-14 14:29:25 +01:00 committed by Ingo Molnar
parent 039fc91e06
commit 4e193bd4df
1 changed files with 2 additions and 0 deletions
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2
kernel/perf_counter.c
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@ -24,6 +24,8 @@
#include <linux/vmstat.h>
#include <linux/rculist.h>
#include <asm/irq_regs.h>
/*
* Each CPU has a list of per CPU counters:
*/