power_pmu_wants_prompt_pmi is used to decide if PMI should
be taken prompt. This is valid only for ppc64 and is used
in CONFIG_PPC_BOOK3S_64 context. Hence include the function
under config check for PPC64
Fixes warning for 32-bit compilation:
>> arch/powerpc/perf/core-book3s.c:2455:6: warning: no previous prototype for
>> 'power_pmu_wants_prompt_pmi' [-Wmissing-prototypes]
2455 | bool power_pmu_wants_prompt_pmi(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
Fixes: 5a7745b96f43 ("powerpc/64s/perf: add power_pmu_wants_prompt_pmi to say
whether perf wants PMIs to be soft-NMI")
Signed-off-by: Athira Rajeev <atraj...@linux.vnet.ibm.com>
Reviewed-by: Nicholas Piggin <npig...@gmail.com>
Reported-by: kernel test robot <l...@intel.com>
---
Note: Address compilation warning reported here:
https://lore.kernel.org/lkml/202112220137.x16y07dp-...@intel.com/
Patch is based on powerpc/merge
arch/powerpc/perf/core-book3s.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index a684901b6965..b7160fae58c6 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -2452,6 +2452,7 @@ static void perf_event_interrupt(struct pt_regs *regs)
* could possibly return false if only events are being counted rather than
* samples being taken, but for now this is good enough.
*/
+#ifdef CONFIG_PPC64
bool power_pmu_wants_prompt_pmi(void)
{
struct cpu_hw_events *cpuhw;
@@ -2467,6 +2468,7 @@ bool power_pmu_wants_prompt_pmi(void)
cpuhw = this_cpu_ptr(&cpu_hw_events);
return cpuhw->n_events;
}
+#endif
static int power_pmu_prepare_cpu(unsigned int cpu)
{
--
2.33.0
