diff options
| author | Andreas Hindborg <a.hindborg@samsung.com> | 2023-09-04 13:38:42 +0200 |
|---|---|---|
| committer | Danilo Krummrich <dakr@redhat.com> | 2023-11-22 22:01:11 +0100 |
| commit | ba5544722b37a806c3c0266f56a26467d6e7e809 (patch) | |
| tree | c4ed10e5be25c865e26497c9abeca2fc3fcd7574 | |
| parent | f87fe7331963080f6d807b35f0497350b28152cb (diff) | |
rust: add num_possible_cpus
Signed-off-by: Andreas Hindborg <a.hindborg@samsung.com>
| -rw-r--r-- | rust/helpers.c | 6 | ||||
| -rw-r--r-- | rust/kernel/lib.rs | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/rust/helpers.c b/rust/helpers.c index f300efa3009a..92b494ad66a6 100644 --- a/rust/helpers.c +++ b/rust/helpers.c @@ -189,6 +189,12 @@ const char *rust_helper_dev_name(const struct device *dev) } EXPORT_SYMBOL_GPL(rust_helper_dev_name); +unsigned int rust_helper_num_possible_cpus(void) +{ + return num_possible_cpus(); +} +EXPORT_SYMBOL_GPL(rust_helper_num_possible_cpus); + void rust_helper_pci_set_drvdata(struct pci_dev *pdev, void *data) { pci_set_drvdata(pdev, data); diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs index cc4551f27e11..05b7f6ee9fc6 100644 --- a/rust/kernel/lib.rs +++ b/rust/kernel/lib.rs @@ -113,3 +113,9 @@ fn panic(info: &core::panic::PanicInfo<'_>) -> ! { // SAFETY: FFI call. unsafe { bindings::BUG() }; } + +/// Returns maximum number of CPUs that may be online on the system. +pub fn num_possible_cpus() -> u32 { + // SAFETY: FFI call with no additional requirements. + unsafe { bindings::num_possible_cpus() } +} |