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Subject[tip:perfcounters/urgent] perf_counter, powerpc, sparc: Fix compilation after perf_counter_overflow() change
Commit-ID:  cd74c86bdf705f824d494a2bbda393d1d562b40a
Gitweb: http://git.kernel.org/tip/cd74c86bdf705f824d494a2bbda393d1d562b40a
Author: Paul Mackerras <paulus@samba.org>
AuthorDate: Mon, 21 Sep 2009 16:44:32 +1000
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 21 Sep 2009 09:28:40 +0200

perf_counter, powerpc, sparc: Fix compilation after perf_counter_overflow() change

Commit 5622f295 ("x86, perf_counter, bts: Optimize BTS overflow
handling") removed the regs field from struct perf_sample_data and
added a regs parameter to perf_counter_overflow(). This breaks the
build on powerpc (and Sparc) as reported by Sachin Sant:

arch/powerpc/kernel/perf_counter.c: In function 'record_and_restart':
arch/powerpc/kernel/perf_counter.c:1165: error: unknown field 'regs' specified in initializer

This adjusts arch/powerpc/kernel/perf_counter.c to correspond with the
new struct perf_sample_data and perf_counter_overflow().

[ v2: also fix Sparc, Markus Metzger <markus.t.metzger@intel.com> ]

Reported-by: Sachin Sant <sachinp@in.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: Markus Metzger <markus.t.metzger@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: benh@kernel.crashing.org
Cc: linuxppc-dev@ozlabs.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <19127.8400.376239.586120@drongo.ozlabs.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
arch/powerpc/kernel/perf_counter.c | 3 +--
arch/sparc/kernel/perf_counter.c | 3 +--
include/linux/perf_counter.h | 17 -----------------
3 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/arch/powerpc/kernel/perf_counter.c b/arch/powerpc/kernel/perf_counter.c
index 7ceefaf..5ccf9bc 100644
--- a/arch/powerpc/kernel/perf_counter.c
+++ b/arch/powerpc/kernel/perf_counter.c
@@ -1162,7 +1162,6 @@ static void record_and_restart(struct perf_counter *counter, unsigned long val,
*/
if (record) {
struct perf_sample_data data = {
- .regs = regs,
.addr = 0,
.period = counter->hw.last_period,
};
@@ -1170,7 +1169,7 @@ static void record_and_restart(struct perf_counter *counter, unsigned long val,
if (counter->attr.sample_type & PERF_SAMPLE_ADDR)
perf_get_data_addr(regs, &data.addr);

- if (perf_counter_overflow(counter, nmi, &data)) {
+ if (perf_counter_overflow(counter, nmi, &data, regs)) {
/*
* Interrupts are coming too fast - throttle them
* by setting the counter to 0, so it will be
diff --git a/arch/sparc/kernel/perf_counter.c b/arch/sparc/kernel/perf_counter.c
index 09de403..b1265ce 100644
--- a/arch/sparc/kernel/perf_counter.c
+++ b/arch/sparc/kernel/perf_counter.c
@@ -493,7 +493,6 @@ static int __kprobes perf_counter_nmi_handler(struct notifier_block *self,

regs = args->regs;

- data.regs = regs;
data.addr = 0;

cpuc = &__get_cpu_var(cpu_hw_counters);
@@ -513,7 +512,7 @@ static int __kprobes perf_counter_nmi_handler(struct notifier_block *self,
if (!sparc_perf_counter_set_period(counter, hwc, idx))
continue;

- if (perf_counter_overflow(counter, 1, &data))
+ if (perf_counter_overflow(counter, 1, &data, regs))
sparc_pmu_disable_counter(hwc, idx);
}

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index bd34100..740caad 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -849,23 +849,6 @@ static inline void perf_counter_comm(struct task_struct *tsk) { }
static inline void perf_counter_fork(struct task_struct *tsk) { }
static inline void perf_counter_init(void) { }

-static inline int
-perf_output_begin(struct perf_output_handle *handle, struct perf_counter *c,
- unsigned int size, int nmi, int sample) { }
-static inline void perf_output_end(struct perf_output_handle *handle) { }
-static inline void
-perf_output_copy(struct perf_output_handle *handle,
- const void *buf, unsigned int len) { }
-static inline void
-perf_output_sample(struct perf_output_handle *handle,
- struct perf_event_header *header,
- struct perf_sample_data *data,
- struct perf_counter *counter) { }
-static inline void
-perf_prepare_sample(struct perf_event_header *header,
- struct perf_sample_data *data,
- struct perf_counter *counter,
- struct pt_regs *regs) { }
#endif

#define perf_output_put(handle, x) \

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