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Commit dd4d7bfa authored by Michael Ellerman's avatar Michael Ellerman Committed by Paul Mackerras
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[PATCH] powerpc: Change firmware_has_feature() to a macro 



So that we can use firmware_has_feature() in a BUG_ON() and have the compiler
elide the code entirely if the feature can never be set, change
firmware_has_feature to a macro. Unfortunate, but necessary at least until
GCC bug #26724 is fixed.

Signed-off-by: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent e3f94b85

include/asm-powerpc/firmware.h

+3 −5
Original line number Diff line number Diff line
@@ -84,11 +84,9 @@ enum { 
 */

extern unsigned long	ppc64_firmware_features;



static inline unsigned long firmware_has_feature(unsigned long feature)

{

	return (FW_FEATURE_ALWAYS & feature) ||

		(FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature);

}

#define firmware_has_feature(feature)					\

	((FW_FEATURE_ALWAYS & (feature)) ||				\

		(FW_FEATURE_POSSIBLE & ppc64_firmware_features & (feature)))



extern void system_reset_fwnmi(void);

extern void machine_check_fwnmi(void);