projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 09d62154 | 2 | #include <linux/compiler.h> |
| 361c564e ACM |
3 | #if defined(__i386__) || defined(__x86_64__) |
| 4 | #include "../../arch/x86/include/asm/barrier.h" | |
| 4f3db074 ACM |
5 | #elif defined(__arm__) |
| 6 | #include "../../arch/arm/include/asm/barrier.h" | |
| 7 | #elif defined(__aarch64__) | |
| 8 | #include "../../arch/arm64/include/asm/barrier.h" | |
| e43a19c9 ACM |
9 | #elif defined(__powerpc__) |
| 10 | #include "../../arch/powerpc/include/asm/barrier.h" | |
| 07d207ac ACM |
11 | #elif defined(__s390__) |
| 12 | #include "../../arch/s390/include/asm/barrier.h" | |
| 827634ad ACM |
13 | #elif defined(__sh__) |
| 14 | #include "../../arch/sh/include/asm/barrier.h" | |
| 94cdda6b ACM |
15 | #elif defined(__sparc__) |
| 16 | #include "../../arch/sparc/include/asm/barrier.h" | |
| d3bd7081 ACM |
17 | #elif defined(__tile__) |
| 18 | #include "../../arch/tile/include/asm/barrier.h" | |
| 0da85d1e ACM |
19 | #elif defined(__alpha__) |
| 20 | #include "../../arch/alpha/include/asm/barrier.h" | |
| e2164f04 ACM |
21 | #elif defined(__mips__) |
| 22 | #include "../../arch/mips/include/asm/barrier.h" | |
| 163e589d ACM |
23 | #elif defined(__ia64__) |
| 24 | #include "../../arch/ia64/include/asm/barrier.h" | |
| 3d3337de ACM |
25 | #elif defined(__xtensa__) |
| 26 | #include "../../arch/xtensa/include/asm/barrier.h" | |
| ebd09753 N |
27 | #elif defined(__nds32__) |
| 28 | #include "../../arch/nds32/include/asm/barrier.h" | |
| 42b09d7b ACM |
29 | #else |
| 30 | #include <asm-generic/barrier.h> | |
| 361c564e | 31 | #endif |
| 09d62154 DB |
32 | |
| 33 | /* | |
| 34 | * Generic fallback smp_*() definitions for archs that haven't | |
| 35 | * been updated yet. | |
| 36 | */ | |
| 37 | ||
| 38 | #ifndef smp_rmb | |
| 39 | # define smp_rmb() rmb() | |
| 40 | #endif | |
| 41 | ||
| 42 | #ifndef smp_wmb | |
| 43 | # define smp_wmb() wmb() | |
| 44 | #endif | |
| 45 | ||
| 46 | #ifndef smp_mb | |
| 47 | # define smp_mb() mb() | |
| 48 | #endif | |
| 49 | ||
| 50 | #ifndef smp_store_release | |
| 51 | # define smp_store_release(p, v) \ | |
| 52 | do { \ | |
| 53 | smp_mb(); \ | |
| 54 | WRITE_ONCE(*p, v); \ | |
| 55 | } while (0) | |
| 56 | #endif | |
| 57 | ||
| 58 | #ifndef smp_load_acquire | |
| 59 | # define smp_load_acquire(p) \ | |
| 60 | ({ \ | |
| 61 | typeof(*p) ___p1 = READ_ONCE(*p); \ | |
| 62 | smp_mb(); \ | |
| 63 | ___p1; \ | |
| 64 | }) | |
| 65 | #endif |