* [PATCH V4 14/16] sparc/perf: Remove driver-specific throttle support
[not found] <20250520181644.2673067-1-kan.liang@linux.intel.com>
@ 2025-05-20 18:16 ` kan.liang
0 siblings, 0 replies; only message in thread
From: kan.liang @ 2025-05-20 18:16 UTC (permalink / raw)
To: peterz, mingo, namhyung, irogers, mark.rutland, linux-kernel,
linux-perf-users
Cc: eranian, ctshao, tmricht, leo.yan, Kan Liang, David S . Miller,
sparclinux
From: Kan Liang <kan.liang@linux.intel.com>
The throttle support has been added in the generic code. Remove
the driver-specific throttle support.
Besides the throttle, perf_event_overflow may return true because of
event_limit. It already does an inatomic event disable. The pmu->stop
is not required either.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
---
arch/sparc/kernel/perf_event.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index f02a283a8e8f..cae4d33002a5 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1668,8 +1668,7 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
if (!sparc_perf_event_set_period(event, hwc, idx))
continue;
- if (perf_event_overflow(event, &data, regs))
- sparc_pmu_stop(event, 0);
+ perf_event_overflow(event, &data, regs);
}
finish_clock = sched_clock();
--
2.38.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2025-05-20 18:17 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <20250520181644.2673067-1-kan.liang@linux.intel.com>
2025-05-20 18:16 ` [PATCH V4 14/16] sparc/perf: Remove driver-specific throttle support kan.liang
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).