^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __ALPHA_PERCPU_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __ALPHA_PERCPU_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * To calculate addresses of locally defined variables, GCC uses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * 32-bit displacement from the GP. Which doesn't work for per cpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * variables in modules, as an offset to the kernel per cpu area is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * way above 4G.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Always use weak definitions for percpu variables in modules.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #if defined(MODULE) && defined(CONFIG_SMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define ARCH_NEEDS_WEAK_PER_CPU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm-generic/percpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #endif /* __ALPHA_PERCPU_H */