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* [PATCH] arm64: Mark call_smc_arch_workaround_1 as __maybe_unused
@ 2020-03-10 23:25 Nathan Chancellor
  2020-03-11 12:02 ` Catalin Marinas
  0 siblings, 1 reply; 2+ messages in thread
From: Nathan Chancellor @ 2020-03-10 23:25 UTC (permalink / raw)
  To: Catalin Marinas, Will Deacon
  Cc: linux-arm-kernel, linux-kernel, clang-built-linux, Nathan Chancellor

When building allnoconfig:

arch/arm64/kernel/cpu_errata.c:174:13: warning: unused function
'call_smc_arch_workaround_1' [-Wunused-function]
static void call_smc_arch_workaround_1(void)
            ^
1 warning generated.

Follow arch/arm and mark this function as __maybe_unused.

Fixes: 4db61fef16a1 ("arm64: kvm: Modernize __smccc_workaround_1_smc_start annotations")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
---
 arch/arm64/kernel/cpu_errata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 6a2ca339741c..df56d2295d16 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -171,7 +171,7 @@ static void install_bp_hardening_cb(bp_hardening_cb_t fn,
 
 #include <linux/arm-smccc.h>
 
-static void call_smc_arch_workaround_1(void)
+static void __maybe_unused call_smc_arch_workaround_1(void)
 {
 	arm_smccc_1_1_smc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
 }
-- 
2.26.0.rc1


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2020-03-10 23:25 [PATCH] arm64: Mark call_smc_arch_workaround_1 as __maybe_unused Nathan Chancellor
2020-03-11 12:02 ` Catalin Marinas

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