[POWERPC] Add __read_mostly support for powerpc (bd67fcf9) · Commits · 戴 / test

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 = .;

+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 */