linux-kernel - [PATCH] x86/tsc: Make recalibrate_cpu

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Date:   Sat, 17 Dec 2022 18:05:11 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     X86 ML <x86@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86/tsc: Make recalibrate_cpu_khz() export GPL only

From: "Borislav Petkov (AMD)" <bp@...en8.de>

A quick search doesn't reveal any use outside of the kernel - which
would be questionable to begin with anyway - so make the export GPL
only.

Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
---
 arch/x86/kernel/tsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index a78e73da4a74..8979df1959d3 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -913,7 +913,7 @@ void recalibrate_cpu_khz(void)
 #endif
 }
 
-EXPORT_SYMBOL(recalibrate_cpu_khz);
+EXPORT_SYMBOL_GPL(recalibrate_cpu_khz);
 
 
 static unsigned long long cyc2ns_suspend;
-- 
2.35.1