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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/alpha/include/asm/percpu.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/alpha/include/asm/percpu.h')
-rw-r--r-- | arch/alpha/include/asm/percpu.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h new file mode 100644 index 00000000..2c12378e --- /dev/null +++ b/arch/alpha/include/asm/percpu.h @@ -0,0 +1,18 @@ +#ifndef __ALPHA_PERCPU_H +#define __ALPHA_PERCPU_H + +/* + * To calculate addresses of locally defined variables, GCC uses + * 32-bit displacement from the GP. Which doesn't work for per cpu + * variables in modules, as an offset to the kernel per cpu area is + * way above 4G. + * + * Always use weak definitions for percpu variables in modules. + */ +#if defined(MODULE) && defined(CONFIG_SMP) +#define ARCH_NEEDS_WEAK_PER_CPU +#endif + +#include <asm-generic/percpu.h> + +#endif /* __ALPHA_PERCPU_H */ |