lkml.org 
[lkml]   [2022]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip: timers/core] clocksource/drivers/timer-microchip-pit64b: Use notrace
The following commit has been merged into the timers/core branch of tip:

Commit-ID: ff10ee97cb203262e88d9c8bc87369cbd4004a0c
Gitweb: https://git.kernel.org/tip/ff10ee97cb203262e88d9c8bc87369cbd4004a0c
Author: Claudiu Beznea <claudiu.beznea@microchip.com>
AuthorDate: Fri, 04 Mar 2022 15:35:57 +02:00
Committer: Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Mon, 07 Mar 2022 18:27:28 +01:00

clocksource/drivers/timer-microchip-pit64b: Use notrace

Use notrace for mchp_pit64b_sched_read_clk() to avoid recursive call of
prepare_ftrace_return() when issuing:
echo function_graph > /sys/kernel/debug/tracing/current_tracer

Fixes: 625022a5f160 ("clocksource/drivers/timer-microchip-pit64b: Add Microchip PIT64B support")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220304133601.2404086-3-claudiu.beznea@microchip.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
drivers/clocksource/timer-microchip-pit64b.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-microchip-pit64b.c b/drivers/clocksource/timer-microchip-pit64b.c
index cfa4ec7..790d2c9 100644
--- a/drivers/clocksource/timer-microchip-pit64b.c
+++ b/drivers/clocksource/timer-microchip-pit64b.c
@@ -165,7 +165,7 @@ static u64 mchp_pit64b_clksrc_read(struct clocksource *cs)
return mchp_pit64b_cnt_read(mchp_pit64b_cs_base);
}

-static u64 mchp_pit64b_sched_read_clk(void)
+static u64 notrace mchp_pit64b_sched_read_clk(void)
{
return mchp_pit64b_cnt_read(mchp_pit64b_cs_base);
}
\
 
 \ /
  Last update: 2022-03-14 10:30    [W:0.073 / U:0.384 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site