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| author | Takashi Iwai <tiwai@suse.de> | 2025-10-16 20:14:24 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2025-10-16 20:14:24 +0200 |
| commit | ec2e0fb07d789976c601bec19ecced7a501c3705 (patch) | |
| tree | d593e7b6153618ca10855a3141404e952debe73c /rust/kernel/processor.rs | |
| parent | c6fceaf166479c05f7d3158ef08e78ae3e3dfa23 (diff) | |
| parent | f1a450f9e17d341f69f8fb19f6d13ef9f1aa508b (diff) | |
Merge tag 'asoc-fix-v6.18-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.18
A moderately large collection of driver specific fixes, plus a few new
quirks and device IDs. The NAU8821 changes are a little large but more
in mechanical ways than in ways that are complex.
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() } +} |
