Commit bd67fcf9 authored by Tony Breeds's avatar Tony Breeds Committed by Paul Mackerras
Browse files

[POWERPC] Add __read_mostly support for powerpc 



Signed-off-by: default avatarTony Breeds <tony@bakeyournoodle.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent fc9069fe

arch/powerpc/kernel/vmlinux.lds.S

+6 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#define PROVIDE32(x)	PROVIDE(x)

#endif

#include <asm-generic/vmlinux.lds.h>

#include <asm/cache.h>



ENTRY(_stext)
@@ -211,6 +212,11 @@ SECTIONS 
		*(.data.cacheline_aligned)

	}



	. = ALIGN(L1_CACHE_BYTES);

	.data.read_mostly : {

		*(.data.read_mostly)

	}



	. = ALIGN(PAGE_SIZE);

	__data_nosave : {

		__nosave_begin = .;

include/asm-powerpc/cache.h

+4 −0
Original line number Diff line number Diff line
@@ -34,5 +34,9 @@ struct ppc64_caches { 
extern struct ppc64_caches ppc64_caches;

#endif /* __powerpc64__ && ! __ASSEMBLY__ */



#if !defined(__ASSEMBLY__)

#define __read_mostly __attribute__((__section__(".data.read_mostly")))

#endif



#endif /* __KERNEL__ */

#endif /* _ASM_POWERPC_CACHE_H */