linux-kernel - [tip: timers/core] clocksource/drivers/timer-microchip-pit64b: Use notrace

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <164725010037.16921.9970306478525402477.tip-bot2@tip-bot2>
Date:   Mon, 14 Mar 2022 09:28:20 -0000
From:   "tip-bot2 for Claudiu Beznea" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
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@...rochip.com>
AuthorDate:    Fri, 04 Mar 2022 15:35:57 +02:00
Committer:     Daniel Lezcano <daniel.lezcano@...aro.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@...rochip.com>
Link: https://lore.kernel.org/r/20220304133601.2404086-3-claudiu.beznea@microchip.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.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);
 }