Export recalibrate_cpu_khz() only for its two users, p4-clockmod.ko and
powernow-k7.ko, to help document that recalibration is relevant only to
ancient CPUs.

For all intents and purposes, no functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 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 bc4348585194..09bf10f322ba 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -943,7 +943,7 @@ void recalibrate_cpu_khz(void)
 						    cpu_khz_old, cpu_khz);
 #endif
 }
-EXPORT_SYMBOL_GPL(recalibrate_cpu_khz);
+EXPORT_SYMBOL_FOR_MODULES(recalibrate_cpu_khz, "p4-clockmod,powernow-k7");
 
 
 static unsigned long long cyc2ns_suspend;
-- 
2.55.0.679.g6767b8d81c-goog

On Thu, 2026-08-06 at 16:35 -0700, Sean Christopherson wrote:
> Export recalibrate_cpu_khz() only for its two users, p4-clockmod.ko and
> powernow-k7.ko, to help document that recalibration is relevant only to
> ancient CPUs.
>
> For all intents and purposes, no functional change intended.
>
> Signed-off-by: Sean Christopherson <seanjc@google.com>

Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>