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From: Arnd Bergmann <arnd@arndb.de>
To: Tony Luck <tony.luck@intel.com>, Borislav Petkov <bp@suse.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	x86@kernel.org,
	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>, "H. Peter Anvin" <hpa@zytor.com>,
	bberg@redhat.com, ckellner@redhat.com, hdegoede@redhat.com,
	linux-edac <linux-edac@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org
Subject: [PATCH] x86/mce/therm_throt: mark throttle_active_work as __maybe_unused
Date: Tue, 10 Dec 2019 21:39:13 +0100
Message-ID: <20191210203925.3119091-1-arnd@arndb.de> (raw)

throttle_active_work() is only called if CONFIG_SYSFS is set,
otherwise we get a harmless warning:

arch/x86/kernel/cpu/mce/therm_throt.c:238:13: error: 'throttle_active_work' defined but not used [-Werror=unused-function]

Mark the function as __maybe_unused to avoid the warning.

Fixes: f6656208f04e ("x86/mce/therm_throt: Optimize notifications of thermal throttle")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/x86/kernel/cpu/mce/therm_throt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mce/therm_throt.c b/arch/x86/kernel/cpu/mce/therm_throt.c
index b38010b541d6..8963493a1e9e 100644
--- a/arch/x86/kernel/cpu/mce/therm_throt.c
+++ b/arch/x86/kernel/cpu/mce/therm_throt.c
@@ -235,7 +235,7 @@ static void get_therm_status(int level, bool *proc_hot, u8 *temp)
 	*temp = (msr_val >> 16) & 0x7F;
 }
 
-static void throttle_active_work(struct work_struct *work)
+static void __maybe_unused throttle_active_work(struct work_struct *work)
 {
 	struct _thermal_state *state = container_of(to_delayed_work(work),
 						struct _thermal_state, therm_work);
-- 
2.20.0


             reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10 20:39 Arnd Bergmann [this message]
2019-12-11 18:26 ` Srinivas Pandruvada
2019-12-11 19:02 ` [tip: ras/core] x86/mce/therm_throt: Mark throttle_active_work() " tip-bot2 for Arnd Bergmann
2019-12-17 10:01 ` tip-bot2 for Arnd Bergmann

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