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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-12-13 01:18:20 -0800 |
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| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-12-13 01:18:20 -0800 |
| commit | a4a508df2aa34f8650afde54ea804321c618f45f (patch) | |
| tree | f75f10e7c54f991d7d859f8cbdcc8bcaed5bbd6f /rust/kernel/processor.rs | |
| parent | c4b3133c6a2fc283cb3d34c64d40ed2fa254b608 (diff) | |
| parent | 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 (diff) | |
| download | linux-a4a508df2aa34f8650afde54ea804321c618f45f.tar.gz linux-a4a508df2aa34f8650afde54ea804321c618f45f.zip | |
Merge tag 'v6.18' into next
Sync up with the mainline to bring in the latest APIs.
Diffstat (limited to 'rust/kernel/processor.rs')
| -rw-r--r-- | rust/kernel/processor.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/rust/kernel/processor.rs b/rust/kernel/processor.rs new file mode 100644 index 000000000000..85b49b3614dd --- /dev/null +++ b/rust/kernel/processor.rs @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 + +//! Processor related primitives. +//! +//! C header: [`include/linux/processor.h`](srctree/include/linux/processor.h) + +/// Lower CPU power consumption or yield to a hyperthreaded twin processor. +/// +/// It also happens to serve as a compiler barrier. +#[inline] +pub fn cpu_relax() { + // SAFETY: Always safe to call. + unsafe { bindings::cpu_relax() } +} |