diff options
| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-05 11:26:48 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-30 15:57:50 -0800 |
| commit | 3a480d4bb5b1e1f09426223e68acaa90da32e384 (patch) | |
| tree | 5f8e62c26bd4dea58a01fcedd9d527373d7de0f1 /include/linux/cpu.h | |
| parent | kernfs: fix false-positive WARN(nr_mmapped) in kernfs_drain_open_files (diff) | |
| download | wireguard-linux-3a480d4bb5b1e1f09426223e68acaa90da32e384.tar.xz wireguard-linux-3a480d4bb5b1e1f09426223e68acaa90da32e384.zip | |
driver core: cpu: make cpu_subsys const
Now that the driver core can properly handle constant struct bus_type,
move the cpu_subsys variable to be a constant structure as well, placing
it into read-only memory which can not be modified at runtime.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/2024010548-crane-snooze-a871@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index dcb89c987164..0b993a140946 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -128,7 +128,7 @@ static inline void cpu_maps_update_done(void) static inline int add_cpu(unsigned int cpu) { return 0;} #endif /* CONFIG_SMP */ -extern struct bus_type cpu_subsys; +extern const struct bus_type cpu_subsys; extern int lockdep_is_cpus_held(void); |