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| author | Srikar Dronamraju <srikar@linux.vnet.ibm.com> | 2023-12-14 23:37:13 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-12-15 13:51:34 +1100 |
| commit | fd535a858ebeb1f478b1d065b6c057f52aad483a (patch) | |
| tree | e868de1f5f9e6b7faab6717cb029bb1138042090 /arch/powerpc | |
| parent | 0e1c1986e0e65746daa05405d7747ce882f83cf1 (diff) | |
| download | lwn-fd535a858ebeb1f478b1d065b6c057f52aad483a.tar.gz lwn-fd535a858ebeb1f478b1d065b6c057f52aad483a.zip | |
powerpc/smp: Add __ro_after_init attribute
There are some variables that are only updated at boot time.
So add __ro_after_init attribute to such variables
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231214180720.310852-4-srikar@linux.vnet.ibm.com
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/smp.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 2cebc53e97f9..aea149627209 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -77,10 +77,10 @@ static DEFINE_PER_CPU(int, cpu_state) = { 0 }; #endif struct task_struct *secondary_current; -bool has_big_cores; -bool coregroup_enabled; -bool thread_group_shares_l2; -bool thread_group_shares_l3; +bool has_big_cores __ro_after_init; +bool coregroup_enabled __ro_after_init; +bool thread_group_shares_l2 __ro_after_init; +bool thread_group_shares_l3 __ro_after_init; DEFINE_PER_CPU(cpumask_var_t, cpu_sibling_map); DEFINE_PER_CPU(cpumask_var_t, cpu_smallcore_map); @@ -987,7 +987,7 @@ static int __init init_thread_group_cache_map(int cpu, int cache_property) return 0; } -static bool shared_caches; +static bool shared_caches __ro_after_init; #ifdef CONFIG_SCHED_SMT /* cpumask of CPUs with asymmetric SMT dependency */ |