On Mon, Apr 10, 2023 at 03:59:31PM -0700, Chang S. Bae wrote:
> diff --git a/arch/x86/include/asm/keylocker.h b/arch/x86/include/asm/keylocker.h
> index e85dfb6c1524..820ac29c06d9 100644
> --- a/arch/x86/include/asm/keylocker.h
> +++ b/arch/x86/include/asm/keylocker.h
> @@ -5,6 +5,7 @@
>
> #ifndef __ASSEMBLY__
>
> +#include <asm/processor.h>
> #include <linux/bits.h>
> #include <asm/fpu/types.h>
>
> @@ -28,5 +29,13 @@ struct iwkey {
> #define KEYLOCKER_CPUID_EBX_WIDE BIT(2)
> #define KEYLOCKER_CPUID_EBX_BACKUP BIT(4)
>
> +#ifdef CONFIG_X86_KEYLOCKER
> +void setup_keylocker(struct cpuinfo_x86 *c);
> +void destroy_keylocker_data(void);
> +#else
> +#define setup_keylocker(c) do { } while (0)
> +#define destroy_keylocker_data() do { } while (0)
> +#endif
Shouldn't the !CONFIG_X86_KEYLOCKER stubs be static inline functions instead of
macros, so that type checking works?
- Eric
