diff options
| author | Gary Guo <gary@garyguo.net> | 2026-06-09 16:38:37 +0100 |
|---|---|---|
| committer | Boqun Feng <boqun@kernel.org> | 2026-08-04 05:52:54 -0700 |
| commit | 79d3d667af401eaa452f046595209aae6933c485 (patch) | |
| tree | d80862cc77aac14e042eb9a0eee08d0334d651c9 /rust/helpers | |
| parent | 47c3367ff096e66f614ed3cdadece26ffc04b5e8 (diff) | |
rust: sync: Add helpers for mb, dma_mb and friends
They supplement the existing smp_mb, smp_rmb and smp_wmb.
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Signed-off-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Boqun Feng <boqun@kernel.org>
Link: https://patch.msgid.link/20260609-rust-barrier-v2-1-30fcc48e1cd0@garyguo.net
Diffstat (limited to 'rust/helpers')
| -rw-r--r-- | rust/helpers/barrier.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/rust/helpers/barrier.c b/rust/helpers/barrier.c index fed8853745c8..dbc7a3017c78 100644 --- a/rust/helpers/barrier.c +++ b/rust/helpers/barrier.c @@ -2,6 +2,36 @@ #include <asm/barrier.h> +__rust_helper void rust_helper_mb(void) +{ + mb(); +} + +__rust_helper void rust_helper_rmb(void) +{ + rmb(); +} + +__rust_helper void rust_helper_wmb(void) +{ + wmb(); +} + +__rust_helper void rust_helper_dma_mb(void) +{ + dma_mb(); +} + +__rust_helper void rust_helper_dma_rmb(void) +{ + dma_rmb(); +} + +__rust_helper void rust_helper_dma_wmb(void) +{ + dma_wmb(); +} + __rust_helper void rust_helper_smp_mb(void) { smp_mb(); |