diff options
Diffstat (limited to 'rust/kernel')
-rw-r--r-- | rust/kernel/allocator.rs | 2 | ||||
-rw-r--r-- | rust/kernel/error.rs | 6 | ||||
-rw-r--r-- | rust/kernel/ioctl.rs | 2 | ||||
-rw-r--r-- | rust/kernel/kunit.rs | 2 | ||||
-rw-r--r-- | rust/kernel/print.rs | 8 | ||||
-rw-r--r-- | rust/kernel/str.rs | 6 | ||||
-rw-r--r-- | rust/kernel/sync/condvar.rs | 30 | ||||
-rw-r--r-- | rust/kernel/sync/lock/mutex.rs | 2 | ||||
-rw-r--r-- | rust/kernel/sync/lock/spinlock.rs | 2 | ||||
-rw-r--r-- | rust/kernel/task.rs | 2 | ||||
-rw-r--r-- | rust/kernel/workqueue.rs | 2 |
11 files changed, 37 insertions, 27 deletions
diff --git a/rust/kernel/allocator.rs b/rust/kernel/allocator.rs index a8f3d5be1af1..4b057e837358 100644 --- a/rust/kernel/allocator.rs +++ b/rust/kernel/allocator.rs @@ -21,7 +21,7 @@ unsafe fn krealloc_aligned(ptr: *mut u8, new_layout: Layout, flags: bindings::gf let mut size = layout.size(); - if layout.align() > bindings::BINDINGS_ARCH_SLAB_MINALIGN { + if layout.align() > bindings::ARCH_SLAB_MINALIGN { // The alignment requirement exceeds the slab guarantee, thus try to enlarge the size // to use the "power-of-two" size/alignment guarantee (see comments in `kmalloc()` for // more information). diff --git a/rust/kernel/error.rs b/rust/kernel/error.rs index 032b64543953..4f0c1edd63b7 100644 --- a/rust/kernel/error.rs +++ b/rust/kernel/error.rs @@ -2,7 +2,7 @@ //! Kernel errors. //! -//! C header: [`include/uapi/asm-generic/errno-base.h`](../../../include/uapi/asm-generic/errno-base.h) +//! C header: [`include/uapi/asm-generic/errno-base.h`](srctree/include/uapi/asm-generic/errno-base.h) use crate::str::CStr; @@ -335,3 +335,7 @@ where Err(e) => T::from(e.to_errno() as i16), } } + +/// Error message for calling a default function of a [`#[vtable]`](macros::vtable) trait. +pub const VTABLE_DEFAULT_ERROR: &str = + "This function must not be called, see the #[vtable] documentation."; diff --git a/rust/kernel/ioctl.rs b/rust/kernel/ioctl.rs index c49e1a8d3fd0..f1d42ab69972 100644 --- a/rust/kernel/ioctl.rs +++ b/rust/kernel/ioctl.rs @@ -2,7 +2,7 @@ //! ioctl() number definitions //! -//! C header: [`include/asm-generic/ioctl.h`](../../../../include/asm-generic/ioctl.h) +//! C header: [`include/asm-generic/ioctl.h`](srctree/include/asm-generic/ioctl.h) #![allow(non_snake_case)] diff --git a/rust/kernel/kunit.rs b/rust/kernel/kunit.rs index 722655b2d62d..0ba77276ae7e 100644 --- a/rust/kernel/kunit.rs +++ b/rust/kernel/kunit.rs @@ -2,7 +2,7 @@ //! KUnit-based macros for Rust unit tests. //! -//! C header: [`include/kunit/test.h`](../../../../../include/kunit/test.h) +//! C header: [`include/kunit/test.h`](srctree/include/kunit/test.h) //! //! Reference: <https://docs.kernel.org/dev-tools/kunit/index.html> diff --git a/rust/kernel/print.rs b/rust/kernel/print.rs index f48926e3e9fe..9b13aca832c2 100644 --- a/rust/kernel/print.rs +++ b/rust/kernel/print.rs @@ -2,7 +2,7 @@ //! Printing facilities. //! -//! C header: [`include/linux/printk.h`](../../../../include/linux/printk.h) +//! C header: [`include/linux/printk.h`](srctree/include/linux/printk.h) //! //! Reference: <https://www.kernel.org/doc/html/latest/core-api/printk-basics.html> @@ -48,7 +48,7 @@ pub mod format_strings { /// The format string is always the same for a given level, i.e. for a /// given `prefix`, which are the kernel's `KERN_*` constants. /// - /// [`_printk`]: ../../../../include/linux/printk.h + /// [`_printk`]: srctree/include/linux/printk.h const fn generate(is_cont: bool, prefix: &[u8; 3]) -> [u8; LENGTH] { // Ensure the `KERN_*` macros are what we expect. assert!(prefix[0] == b'\x01'); @@ -97,7 +97,7 @@ pub mod format_strings { /// The format string must be one of the ones in [`format_strings`], and /// the module name must be null-terminated. /// -/// [`_printk`]: ../../../../include/linux/_printk.h +/// [`_printk`]: srctree/include/linux/_printk.h #[doc(hidden)] #[cfg_attr(not(CONFIG_PRINTK), allow(unused_variables))] pub unsafe fn call_printk( @@ -120,7 +120,7 @@ pub unsafe fn call_printk( /// /// Public but hidden since it should only be used from public macros. /// -/// [`_printk`]: ../../../../include/linux/printk.h +/// [`_printk`]: srctree/include/linux/printk.h #[doc(hidden)] #[cfg_attr(not(CONFIG_PRINTK), allow(unused_variables))] pub fn call_printk_cont(args: fmt::Arguments<'_>) { diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs index c41607b2e4fe..7d848b83add4 100644 --- a/rust/kernel/str.rs +++ b/rust/kernel/str.rs @@ -608,6 +608,12 @@ impl<'a> TryFrom<&'a CStr> for CString { } } +impl fmt::Debug for CString { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + fmt::Debug::fmt(&**self, f) + } +} + /// A convenience alias for [`core::format_args`]. #[macro_export] macro_rules! fmt { diff --git a/rust/kernel/sync/condvar.rs b/rust/kernel/sync/condvar.rs index b679b6f6dbeb..f65e19d5a37c 100644 --- a/rust/kernel/sync/condvar.rs +++ b/rust/kernel/sync/condvar.rs @@ -50,7 +50,7 @@ macro_rules! new_condvar { /// fn wait_for_value(e: &Example, v: u32) { /// let mut guard = e.value.lock(); /// while *guard != v { -/// e.value_changed.wait_uninterruptible(&mut guard); +/// e.value_changed.wait(&mut guard); /// } /// } /// @@ -69,7 +69,7 @@ macro_rules! new_condvar { /// } /// ``` /// -/// [`struct wait_queue_head`]: ../../../include/linux/wait.h +/// [`struct wait_queue_head`]: srctree/include/linux/wait.h #[pin_data] pub struct CondVar { #[pin] @@ -120,28 +120,28 @@ impl CondVar { unsafe { bindings::finish_wait(self.wait_list.get(), wait.get()) }; } - /// Releases the lock and waits for a notification in interruptible mode. + /// Releases the lock and waits for a notification in uninterruptible mode. /// /// Atomically releases the given lock (whose ownership is proven by the guard) and puts the /// thread to sleep, reacquiring the lock on wake up. It wakes up when notified by - /// [`CondVar::notify_one`] or [`CondVar::notify_all`], or when the thread receives a signal. - /// It may also wake up spuriously. + /// [`CondVar::notify_one`] or [`CondVar::notify_all`]. Note that it may also wake up + /// spuriously. + pub fn wait<T: ?Sized, B: Backend>(&self, guard: &mut Guard<'_, T, B>) { + self.wait_internal(bindings::TASK_UNINTERRUPTIBLE, guard); + } + + /// Releases the lock and waits for a notification in interruptible mode. + /// + /// Similar to [`CondVar::wait`], except that the wait is interruptible. That is, the thread may + /// wake up due to signals. It may also wake up spuriously. /// /// Returns whether there is a signal pending. - #[must_use = "wait returns if a signal is pending, so the caller must check the return value"] - pub fn wait<T: ?Sized, B: Backend>(&self, guard: &mut Guard<'_, T, B>) -> bool { + #[must_use = "wait_interruptible returns if a signal is pending, so the caller must check the return value"] + pub fn wait_interruptible<T: ?Sized, B: Backend>(&self, guard: &mut Guard<'_, T, B>) -> bool { self.wait_internal(bindings::TASK_INTERRUPTIBLE, guard); crate::current!().signal_pending() } - /// Releases the lock and waits for a notification in uninterruptible mode. - /// - /// Similar to [`CondVar::wait`], except that the wait is not interruptible. That is, the - /// thread won't wake up due to signals. It may, however, wake up supirously. - pub fn wait_uninterruptible<T: ?Sized, B: Backend>(&self, guard: &mut Guard<'_, T, B>) { - self.wait_internal(bindings::TASK_UNINTERRUPTIBLE, guard) - } - /// Calls the kernel function to notify the appropriate number of threads with the given flags. fn notify(&self, count: i32, flags: u32) { // SAFETY: `wait_list` points to valid memory. diff --git a/rust/kernel/sync/lock/mutex.rs b/rust/kernel/sync/lock/mutex.rs index 09276fedc091..8c524a3ec45a 100644 --- a/rust/kernel/sync/lock/mutex.rs +++ b/rust/kernel/sync/lock/mutex.rs @@ -84,7 +84,7 @@ macro_rules! new_mutex { /// } /// ``` /// -/// [`struct mutex`]: ../../../../include/linux/mutex.h +/// [`struct mutex`]: srctree/include/linux/mutex.h pub type Mutex<T> = super::Lock<T, MutexBackend>; /// A kernel `struct mutex` lock backend. diff --git a/rust/kernel/sync/lock/spinlock.rs b/rust/kernel/sync/lock/spinlock.rs index 91eb2c9e9123..068535ce1b29 100644 --- a/rust/kernel/sync/lock/spinlock.rs +++ b/rust/kernel/sync/lock/spinlock.rs @@ -82,7 +82,7 @@ macro_rules! new_spinlock { /// } /// ``` /// -/// [`spinlock_t`]: ../../../../include/linux/spinlock.h +/// [`spinlock_t`]: srctree/include/linux/spinlock.h pub type SpinLock<T> = super::Lock<T, SpinLockBackend>; /// A kernel `spinlock_t` lock backend. diff --git a/rust/kernel/task.rs b/rust/kernel/task.rs index b2299bc7ac1f..9451932d5d86 100644 --- a/rust/kernel/task.rs +++ b/rust/kernel/task.rs @@ -2,7 +2,7 @@ //! Tasks (threads and processes). //! -//! C header: [`include/linux/sched.h`](../../../../include/linux/sched.h). +//! C header: [`include/linux/sched.h`](srctree/include/linux/sched.h). use crate::{bindings, types::Opaque}; use core::{marker::PhantomData, ops::Deref, ptr}; diff --git a/rust/kernel/workqueue.rs b/rust/kernel/workqueue.rs index b67fb1ba168e..498397877376 100644 --- a/rust/kernel/workqueue.rs +++ b/rust/kernel/workqueue.rs @@ -132,7 +132,7 @@ //! } //! ``` //! -//! C header: [`include/linux/workqueue.h`](../../../../include/linux/workqueue.h) +//! C header: [`include/linux/workqueue.h`](srctree/include/linux/workqueue.h) use crate::{bindings, prelude::*, sync::Arc, sync::LockClassKey, types::Opaque}; use alloc::alloc::AllocError; |