x86/cpu: Export native_write_cr4() only when CONFIG_LKTDM=m
Modules have no business poking into this but fixing this is for later. [ bp: Carve out from an earlier patch. ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20200421092558.939985695@linutronix.de
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@ -387,7 +387,9 @@ set_register:
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bits_missing);
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}
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}
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#if IS_MODULE(CONFIG_LKDTM)
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EXPORT_SYMBOL_GPL(native_write_cr4);
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#endif
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void cr4_update_irqsoff(unsigned long set, unsigned long clear)
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{
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