diff options
Diffstat (limited to 'include/asm-arm/assembler.h')
| -rw-r--r-- | include/asm-arm/assembler.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-arm/assembler.h b/include/asm-arm/assembler.h index fce8328..911393b 100644 --- a/include/asm-arm/assembler.h +++ b/include/asm-arm/assembler.h @@ -56,6 +56,21 @@ #endif /* + * This can be used to enable code to cacheline align the destination + * pointer when bulk writing to memory. Experiments on StrongARM and + * XScale didn't show this a worthwhile thing to do when the cache is not + * set to write-allocate (this would need further testing on XScale when WA + * is used). + * + * On Feroceon there is much to gain however, regardless of cache mode. + */ +#ifdef CONFIG_CPU_FEROCEON +#define CALGN(code...) code +#else +#define CALGN(code...) +#endif + +/* * Enable and disable interrupts */ #if __LINUX_ARM_ARCH__ >= 6 |