linux-kernel - [PATCH AUTOSEL 4.4 06/12] powerpc/smp: Move setup_profiling_timer() under CONFIG

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Message-Id: <20220117170757.1473318-6-sashal@kernel.org>
Date:   Mon, 17 Jan 2022 12:07:50 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Sasha Levin <sashal@...nel.org>, srikar@...ux.vnet.ibm.com,
        ego@...ux.vnet.ibm.com, valentin.schneider@....com, clg@...d.org,
        hbathini@...ux.ibm.com, parth@...ux.ibm.com, npiggin@...il.com,
        robh@...nel.org, yukuai3@...wei.com, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH AUTOSEL 4.4 06/12] powerpc/smp: Move setup_profiling_timer() under CONFIG_PROFILING

From: Michael Ellerman <mpe@...erman.id.au>

[ Upstream commit a4ac0d249a5db80e79d573db9e4ad29354b643a8 ]

setup_profiling_timer() is only needed when CONFIG_PROFILING is enabled.

Fixes the following W=1 warning when CONFIG_PROFILING=n:
  linux/arch/powerpc/kernel/smp.c:1638:5: error: no previous prototype for ‘setup_profiling_timer’

Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Link: https://lore.kernel.org/r/20211124093254.1054750-5-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/powerpc/kernel/smp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index ec9ec2058d2d3..19ba60ab18073 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -732,10 +732,12 @@ void start_secondary(void *unused)
 	BUG();
 }
 
+#ifdef CONFIG_PROFILING
 int setup_profiling_timer(unsigned int multiplier)
 {
 	return 0;
 }
+#endif
 
 #ifdef CONFIG_SCHED_SMT
 /* cpumask of CPUs with asymetric SMT dependancy */
-- 
2.34.1