diff options
Diffstat (limited to 'arch/alpha/include/asm/percpu.h')
| -rw-r--r-- | arch/alpha/include/asm/percpu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h new file mode 100644 index 000000000..6923249f2 --- /dev/null +++ b/arch/alpha/include/asm/percpu.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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 */ |