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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-15 15:46:29 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-15 15:46:29 +0400 |
| commit | b2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (patch) | |
| tree | 53ccb1c2c14751fe69cf93102e76e97021f6df07 /arch/ia64/include/asm/cache.h | |
| parent | 4f962d4d65923d7b722192e729840cfb79af0a5a (diff) | |
| parent | 278429cff8809958d25415ba0ed32b59866ab1a8 (diff) | |
| download | linux-b2aaf8f74cdc84a9182f6cabf198b7763bcb9d40.tar.xz | |
Merge branch 'linus' into stackprotector
Conflicts:
arch/x86/kernel/Makefile
include/asm-x86/pda.h
Diffstat (limited to 'arch/ia64/include/asm/cache.h')
| -rw-r--r-- | arch/ia64/include/asm/cache.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h new file mode 100644 index 000000000000..e7482bd628ff --- /dev/null +++ b/arch/ia64/include/asm/cache.h @@ -0,0 +1,29 @@ +#ifndef _ASM_IA64_CACHE_H +#define _ASM_IA64_CACHE_H + + +/* + * Copyright (C) 1998-2000 Hewlett-Packard Co + * David Mosberger-Tang <davidm@hpl.hp.com> + */ + +/* Bytes per L1 (data) cache line. */ +#define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#ifdef CONFIG_SMP +# define SMP_CACHE_SHIFT L1_CACHE_SHIFT +# define SMP_CACHE_BYTES L1_CACHE_BYTES +#else + /* + * The "aligned" directive can only _increase_ alignment, so this is + * safe and provides an easy way to avoid wasting space on a + * uni-processor: + */ +# define SMP_CACHE_SHIFT 3 +# define SMP_CACHE_BYTES (1 << 3) +#endif + +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + +#endif /* _ASM_IA64_CACHE_H */ |