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| author |   Yury Norov <yury.norov@gmail.com> | 2022-09-05 16:08:17 -0700 |
|---|---|---|
| committer | Yury Norov <yury.norov@gmail.com> | 2022-09-19 17:51:53 -0700 |
| commit | 38bef8e57f2149acd2c910a98f57dd6291d2e0ec (patch) | |
| tree | c4a62158f1967502fa801529406a5a04624048f2 /arch/x86 | |
| parent | smp: don't declare nr_cpu_ids if NR_CPUS == 1 (diff) | |
| download | linux-dev-38bef8e57f2149acd2c910a98f57dd6291d2e0ec.tar.xz linux-dev-38bef8e57f2149acd2c910a98f57dd6291d2e0ec.zip | |
smp: add set_nr_cpu_ids()
In preparation to support compile-time nr_cpu_ids, add a setter for
the variable.
This is a no-op for all arches.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 4 | ||||
| -rw-r--r-- | arch/x86/xen/smp_pv.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index f24227bc3220..3f3ea0287f69 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1316,7 +1316,7 @@ static void __init smp_sanity_check(void) nr++; } - nr_cpu_ids = 8; + set_nr_cpu_ids(8); } #endif @@ -1569,7 +1569,7 @@ __init void prefill_possible_map(void) possible = i; } - nr_cpu_ids = possible; + set_nr_cpu_ids(possible); pr_info("Allowing %d CPUs, %d hotplug CPUs\n", possible, max_t(int, possible - num_processors, 0)); diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c index ba7af2eca755..480be82e9b7b 100644 --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -179,7 +179,7 @@ static void __init _get_smp_config(unsigned int early) * hypercall to expand the max number of VCPUs an already * running guest has. So cap it up to X. */ if (subtract) - nr_cpu_ids = nr_cpu_ids - subtract; + set_nr_cpu_ids(nr_cpu_ids - subtract); #endif } |