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https://github.com/torvalds/linux
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bb8985586b
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
21 lines
559 B
C
21 lines
559 B
C
#ifndef ASM_X86__CACHE_H
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#define ASM_X86__CACHE_H
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/* L1 cache line size */
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#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
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#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
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#define __read_mostly __attribute__((__section__(".data.read_mostly")))
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#ifdef CONFIG_X86_VSMP
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/* vSMP Internode cacheline shift */
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#define INTERNODE_CACHE_SHIFT (12)
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#ifdef CONFIG_SMP
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#define __cacheline_aligned_in_smp \
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__attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) \
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__attribute__((__section__(".data.page_aligned")))
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#endif
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#endif
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#endif /* ASM_X86__CACHE_H */
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