diff options
| -rw-r--r-- | Documentation/process/changes.rst | 2 | ||||
| -rw-r--r-- | Documentation/rust/quick-start.rst | 2 | ||||
| -rw-r--r-- | rust/Makefile | 6 | ||||
| -rw-r--r-- | rust/helpers.c | 15 | ||||
| -rw-r--r-- | rust/kernel/lib.rs | 3 | ||||
| -rwxr-xr-x | scripts/min-tool-version.sh | 2 |
6 files changed, 13 insertions, 17 deletions
diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst index 1382bccc8818..0bbd040f6a55 100644 --- a/Documentation/process/changes.rst +++ b/Documentation/process/changes.rst @@ -32,7 +32,7 @@ you probably needn't concern yourself with pcmciautils. GNU C 5.1 gcc --version Clang/LLVM (optional) 11.0.0 clang --version Rust (optional) 1.71.1 rustc --version -bindgen (optional) 0.56.0 bindgen --version +bindgen (optional) 0.65.1 bindgen --version GNU make 3.82 make --version bash 4.2 bash --version binutils 2.25 ld -v diff --git a/Documentation/rust/quick-start.rst b/Documentation/rust/quick-start.rst index 58a183bb90b1..2cdf75eeae1d 100644 --- a/Documentation/rust/quick-start.rst +++ b/Documentation/rust/quick-start.rst @@ -98,7 +98,7 @@ the ``bindgen`` tool. A particular version is required. Install it via (note that this will download and build the tool from source):: - cargo install --locked --version $(scripts/min-tool-version.sh bindgen) bindgen + cargo install --locked --version $(scripts/min-tool-version.sh bindgen) bindgen-cli ``bindgen`` needs to find a suitable ``libclang`` in order to work. If it is not found (or a different ``libclang`` than the one found should be used), diff --git a/rust/Makefile b/rust/Makefile index b278908c19e5..c3dfb3f6071b 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -300,7 +300,7 @@ quiet_cmd_bindgen = BINDGEN $@ $(BINDGEN) $< $(bindgen_target_flags) \ --use-core --with-derive-default --ctypes-prefix core::ffi --no-layout-tests \ --no-debug '.*' \ - --size_t-is-usize -o $@ -- $(bindgen_c_flags_final) -DMODULE \ + -o $@ -- $(bindgen_c_flags_final) -DMODULE \ $(bindgen_target_cflags) $(bindgen_target_extra) $(obj)/bindings/bindings_generated.rs: private bindgen_target_flags = \ @@ -320,8 +320,8 @@ $(obj)/uapi/uapi_generated.rs: $(src)/uapi/uapi_helper.h \ # given it is `libclang`; but for consistency, future Clang changes and/or # a potential future GCC backend for `bindgen`, we disable it too. $(obj)/bindings/bindings_helpers_generated.rs: private bindgen_target_flags = \ - --blacklist-type '.*' --whitelist-var '' \ - --whitelist-function 'rust_helper_.*' + --blocklist-type '.*' --allowlist-var '' \ + --allowlist-function 'rust_helper_.*' $(obj)/bindings/bindings_helpers_generated.rs: private bindgen_target_cflags = \ -I$(objtree)/$(obj) -Wno-missing-prototypes -Wno-missing-declarations $(obj)/bindings/bindings_helpers_generated.rs: private bindgen_target_extra = ; \ diff --git a/rust/helpers.c b/rust/helpers.c index f946f2ea640a..ebd69490127b 100644 --- a/rust/helpers.c +++ b/rust/helpers.c @@ -138,19 +138,18 @@ void rust_helper_put_task_struct(struct task_struct *t) EXPORT_SYMBOL_GPL(rust_helper_put_task_struct); /* - * We use `bindgen`'s `--size_t-is-usize` option to bind the C `size_t` type - * as the Rust `usize` type, so we can use it in contexts where Rust - * expects a `usize` like slice (array) indices. `usize` is defined to be - * the same as C's `uintptr_t` type (can hold any pointer) but not - * necessarily the same as `size_t` (can hold the size of any single - * object). Most modern platforms use the same concrete integer type for + * `bindgen` binds the C `size_t` type as the Rust `usize` type, so we can + * use it in contexts where Rust expects a `usize` like slice (array) indices. + * `usize` is defined to be the same as C's `uintptr_t` type (can hold any + * pointer) but not necessarily the same as `size_t` (can hold the size of any + * single object). Most modern platforms use the same concrete integer type for * both of them, but in case we find ourselves on a platform where * that's not true, fail early instead of risking ABI or * integer-overflow issues. * * If your platform fails this assertion, it means that you are in - * danger of integer-overflow bugs (even if you attempt to remove - * `--size_t-is-usize`). It may be easiest to change the kernel ABI on + * danger of integer-overflow bugs (even if you attempt to add + * `--no-size_t-is-usize`). It may be easiest to change the kernel ABI on * your platform such that `size_t` matches `uintptr_t` (i.e., to increase * `size_t`, because `uintptr_t` has to be at least as big as `size_t`). */ diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs index 85b261209977..d59041ff5ff2 100644 --- a/rust/kernel/lib.rs +++ b/rust/kernel/lib.rs @@ -93,7 +93,4 @@ fn panic(info: &core::panic::PanicInfo<'_>) -> ! { pr_emerg!("{}\n", info); // SAFETY: FFI call. unsafe { bindings::BUG() }; - // Bindgen currently does not recognize `__noreturn` so `BUG` returns `()` - // instead of `!`. See <https://github.com/rust-lang/rust-bindgen/issues/2094>. - loop {} } diff --git a/scripts/min-tool-version.sh b/scripts/min-tool-version.sh index 8da3b53fe36a..d65ab8bfeaf4 100755 --- a/scripts/min-tool-version.sh +++ b/scripts/min-tool-version.sh @@ -34,7 +34,7 @@ rustc) echo 1.71.1 ;; bindgen) - echo 0.56.0 + echo 0.65.1 ;; *) echo "$1: unknown tool" >&2 |