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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
[POWERPC] Add __read_mostly support for powerpc
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
authored by
Tony Breeds
and committed by
Paul Mackerras
bd67fcf9
fc9069fe
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arch/powerpc/kernel/vmlinux.lds.S
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arch/powerpc/kernel/vmlinux.lds.S
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#define PROVIDE32(x) PROVIDE(x)
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#endif
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#include <asm-generic/vmlinux.lds.h>
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#include <asm/cache.h>
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ENTRY(_stext)
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···
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.data.cacheline_aligned : {
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*(.data.cacheline_aligned)
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}
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. = ALIGN(L1_CACHE_BYTES);
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.data.read_mostly : {
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*(.data.read_mostly)
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}
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. = ALIGN(PAGE_SIZE);
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include/asm-powerpc/cache.h
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include/asm-powerpc/cache.h
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extern struct ppc64_caches ppc64_caches;
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#endif /* __powerpc64__ && ! __ASSEMBLY__ */
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#if !defined(__ASSEMBLY__)
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#define __read_mostly __attribute__((__section__(".data.read_mostly")))
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#endif
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#endif /* __KERNEL__ */
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#endif /* _ASM_POWERPC_CACHE_H */