change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * test module to check whether the TSC-based delay routine continues
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  * to work properly after cpufreq transitions. Needs ACPI to work