| Message ID | 20190410230443.15729-2-atish.patra@wdc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Miscellaneous kernel command line fixes | expand |
On Wed, Apr 10, 2019 at 04:04:40PM -0700, Atish Patra wrote: > OF/DT core has a hook for architecture specific logical cpuid to hartid > mapping. By implementing this, we can pass the logical cpu id to cpu > node parsing functions. But that also means we must pass it that way. So as-is this would break existing setups, wouldn't it?
diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c index 0c41d07ec281..94db72662f60 100644 --- a/arch/riscv/kernel/smp.c +++ b/arch/riscv/kernel/smp.c @@ -70,6 +70,11 @@ void riscv_cpuid_to_hartid_mask(const struct cpumask *in, struct cpumask *out) for_each_cpu(cpu, in) cpumask_set_cpu(cpuid_to_hartid_map(cpu), out); } + +bool arch_match_cpu_phys_id(int cpu, u64 phys_id) +{ + return phys_id == cpuid_to_hartid_map(cpu); +} /* Unsupported */ int setup_profiling_timer(unsigned int multiplier) {
OF/DT core has a hook for architecture specific logical cpuid to hartid mapping. By implementing this, we can pass the logical cpu id to cpu node parsing functions. Signed-off-by: Atish Patra <atish.patra@wdc.com> --- arch/riscv/kernel/smp.c | 5 +++++ 1 file changed, 5 insertions(+)