Makes atomic set_bit and clear_bit inline functions as well as the non-atomic variants __set_bit and __clear_bit available to Rust. Adds a new MAINTAINERS section BITOPS API BINDINGS [RUST].
Suggested-by: Alice Ryhl <[email protected]> Suggested-by: Yury Norov <[email protected]> Signed-off-by: Burak Emir <[email protected]> Acked-by: Yury Norov [NVIDIA] <[email protected]> --- MAINTAINERS | 5 +++++ rust/helpers/bitops.c | 23 +++++++++++++++++++++++ rust/helpers/helpers.c | 1 + 3 files changed, 29 insertions(+) create mode 100644 rust/helpers/bitops.c diff --git a/MAINTAINERS b/MAINTAINERS index f83386712a2d..8acc32a59ff5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4217,6 +4217,11 @@ F: include/linux/bitops.h F: lib/test_bitops.c F: tools/*/bitops* +BITOPS API BINDINGS [RUST] +M: Yury Norov <[email protected]> +S: Maintained +F: rust/helpers/bitops.c + BLINKM RGB LED DRIVER M: Jan-Simon Moeller <[email protected]> S: Maintained diff --git a/rust/helpers/bitops.c b/rust/helpers/bitops.c new file mode 100644 index 000000000000..5d0861d29d3f --- /dev/null +++ b/rust/helpers/bitops.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/bitops.h> + +void rust_helper___set_bit(unsigned long nr, unsigned long *addr) +{ + __set_bit(nr, addr); +} + +void rust_helper___clear_bit(unsigned long nr, unsigned long *addr) +{ + __clear_bit(nr, addr); +} + +void rust_helper_set_bit(unsigned long nr, volatile unsigned long *addr) +{ + set_bit(nr, addr); +} + +void rust_helper_clear_bit(unsigned long nr, volatile unsigned long *addr) +{ + clear_bit(nr, addr); +} diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c index cb47c4708a3b..63dc1ffd31e1 100644 --- a/rust/helpers/helpers.c +++ b/rust/helpers/helpers.c @@ -9,6 +9,7 @@ #include "auxiliary.c" #include "bitmap.c" +#include "bitops.c" #include "blk.c" #include "bug.c" #include "build_assert.c" -- 2.50.0.rc2.761.g2dc52ea45b-goog
