Module Name: src Committed By: skrll Date: Tue Oct 13 21:22:12 UTC 2020
Modified Files: src/common/lib/libc/arch/aarch64/atomic: membar_ops.S Log Message: Use the correct barriers - all of membar_{sync,producer,consumer} have less scope than before. LGTM from riastradh To generate a diff of this commit: cvs rdiff -u -r1.1 -r1.2 src/common/lib/libc/arch/aarch64/atomic/membar_ops.S Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/common/lib/libc/arch/aarch64/atomic/membar_ops.S diff -u src/common/lib/libc/arch/aarch64/atomic/membar_ops.S:1.1 src/common/lib/libc/arch/aarch64/atomic/membar_ops.S:1.2 --- src/common/lib/libc/arch/aarch64/atomic/membar_ops.S:1.1 Sun Aug 10 05:47:35 2014 +++ src/common/lib/libc/arch/aarch64/atomic/membar_ops.S Tue Oct 13 21:22:12 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: membar_ops.S,v 1.1 2014/08/10 05:47:35 matt Exp $ */ +/* $NetBSD: membar_ops.S,v 1.2 2020/10/13 21:22:12 skrll Exp $ */ /*- * Copyright (c) 2014 The NetBSD Foundation, Inc. @@ -32,24 +32,28 @@ #include "atomic_op_asm.h" ENTRY_NP(_membar_producer) - dsb sy + dmb ishst ret END(_membar_producer) ATOMIC_OP_ALIAS(membar_producer,_membar_producer) ATOMIC_OP_ALIAS(membar_write,_membar_producer) STRONG_ALIAS(_membar_write,_membar_producer) +ENTRY_NP(_membar_consumer) + dmb ishld + ret +END(_membar_producer) +ATOMIC_OP_ALIAS(membar_consumer,_membar_consumer) +ATOMIC_OP_ALIAS(membar_read,_membar_consumer) +STRONG_ALIAS(_membar_read,_membar_consumer) + ENTRY_NP(_membar_sync) - dmb sy + dmb ish ret END(_membar_sync) ATOMIC_OP_ALIAS(membar_sync,_membar_sync) ATOMIC_OP_ALIAS(membar_enter,_membar_sync) ATOMIC_OP_ALIAS(membar_exit,_membar_sync) -ATOMIC_OP_ALIAS(membar_consumer,_membar_sync) -ATOMIC_OP_ALIAS(membar_read,_membar_sync) STRONG_ALIAS(__sync_synchronize,_membar_sync) STRONG_ALIAS(_membar_enter,_membar_sync) STRONG_ALIAS(_membar_exit,_membar_sync) -STRONG_ALIAS(_membar_consumer,_membar_sync) -STRONG_ALIAS(_membar_read,_membar_sync)