Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
15 lines
393 B
Rust
15 lines
393 B
Rust
// 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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