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15 lines
393 B
Rust
15 lines
393 B
Rust
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// SPDX-License-Identifier: GPL-2.0
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//! Processor related primitives.
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//!
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//! C header: [`include/linux/processor.h`](srctree/include/linux/processor.h)
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/// Lower CPU power consumption or yield to a hyperthreaded twin processor.
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///
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/// It also happens to serve as a compiler barrier.
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#[inline]
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pub fn cpu_relax() {
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// SAFETY: Always safe to call.
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unsafe { bindings::cpu_relax() }
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}
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