/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 1999, 2009 * * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> */ #ifndef __ASM_BARRIER_H #define __ASM_BARRIER_H /* * Force strict CPU ordering. * And yes, this is required on UP too when we're talking * to devices. */ #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES /* Fast-BCR without checkpoint synchronization */ #define __ASM_BARRIER "bcr 14,0\n" #else #define __ASM_BARRIER "bcr 15,0\n" #endif #define mb() do { asm volatile(__ASM_BARRIER : : : "memory"); } while (0) #define rmb() barrier() #define wmb() barrier() #define dma_rmb() mb() #define dma_wmb() mb() #define __smp_mb() mb() #define __smp_rmb() rmb() #define __smp_wmb() wmb() #define __smp_store_release(p, v) \ do { \ compiletime_assert_atomic_type(*p); \ barrier(); \ WRITE_ONCE(*p, v); \ } while (0) #define __smp_load_acquire(p) \ ({ \ typeof(*p) ___p1 = READ_ONCE(*p); \ compiletime_assert_atomic_type(*p); \ barrier(); \ ___p1; \ }) #define __smp_mb__before_atomic() barrier() #define __smp_mb__after_atomic() barrier() #include <asm-generic/barrier.h> #endif /* __ASM_BARRIER_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael S. Tsirkin | 30 | 30.30% | 3 | 23.08% |
| Heiko Carstens | 22 | 22.22% | 4 | 30.77% |
| David Howells | 18 | 18.18% | 1 | 7.69% |
| Peter Zijlstra | 14 | 14.14% | 1 | 7.69% |
| Alexander Duyck | 8 | 8.08% | 1 | 7.69% |
| Christian Bornträger | 4 | 4.04% | 1 | 7.69% |
| Andrey Konovalov | 2 | 2.02% | 1 | 7.69% |
| Greg Kroah-Hartman | 1 | 1.01% | 1 | 7.69% |
| Total | 99 | 100.00% | 13 | 100.00% |