linux-kernel - [PATCH 1/3] arm64: cpufeature: Export cpu_has_amu

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Message-ID: <20231025093847.3740104-2-zengheng4@huawei.com>
Date:   Wed, 25 Oct 2023 17:38:45 +0800
From:   Zeng Heng <zengheng4@...wei.com>
To:     <broonie@...nel.org>, <joey.gouly@....com>, <will@...nel.org>,
        <amit.kachhap@....com>, <rafael@...nel.org>,
        <catalin.marinas@....com>, <james.morse@....com>,
        <mark.rutland@....com>, <maz@...nel.org>,
        <viresh.kumar@...aro.org>, <sumitg@...dia.com>,
        <yang@...amperecomputing.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <wangxiongfeng2@...wei.com>, <xiexiuqi@...wei.com>
Subject: [PATCH 1/3] arm64: cpufeature: Export cpu_has_amu_feat()

Export the cpu_has_amu_feat() function for using by cppc_cpufreq.c to check
if the processor implements ARM's Activity Monitor Unit (AMU).

Signed-off-by: Zeng Heng <zengheng4@...wei.com>
---
 arch/arm64/kernel/cpufeature.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 444a73c2e638..47195e66a820 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -1935,6 +1935,7 @@ bool cpu_has_amu_feat(int cpu)
 {
 	return cpumask_test_cpu(cpu, &amu_cpus);
 }
+EXPORT_SYMBOL(cpu_has_amu_feat);
 
 int get_cpu_with_amu_feat(void)
 {
-- 
2.25.1