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sparc64: Implement a real set_perf_counter_pending().

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When the perf counter subsystem needs to reschedule work out
from an NMI, it invokes set_perf_counter_pending().

This triggers a non-NMI irq which should invoke
perf_counter_do_pending().

Currently this won't trigger because sparc64 won't trigger
the perf counter subsystem from NMIs, but when the HW counter
support is added it will.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2009-09-10 05:59:24 -07:00
parent 2d0740c456
commit 5686f9c3d6
2 changed files with 14 additions and 2 deletions
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2
arch/sparc/include/asm/perf_counter.h
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@ -1,7 +1,7 @@
#ifndef __ASM_SPARC_PERF_COUNTER_H
#define __ASM_SPARC_PERF_COUNTER_H
static inline void set_perf_counter_pending(void) { }
extern void set_perf_counter_pending(void);
#define PERF_COUNTER_INDEX_OFFSET 0