diff options
| author | Atish Patra <atishp@rivosinc.com> | 2022-01-20 10:09:18 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-01-20 18:27:22 +0100 |
| commit | 26fb751ca37846c912daa347be298bfd945cc560 (patch) | |
| tree | 545d865d622b096c9c193adba2ebd64b3d79c76a /arch/riscv/kernel/setup.c | |
| parent | RISC-V: Move spinwait booting method to its own config (diff) | |
| download | linux-26fb751ca37846c912daa347be298bfd945cc560.tar.xz linux-26fb751ca37846c912daa347be298bfd945cc560.zip | |
RISC-V: Do not use cpumask data structure for hartid bitmap
Currently, SBI APIs accept a hartmask that is generated from struct
cpumask. Cpumask data structure can hold upto NR_CPUs value. Thus, it
is not the correct data structure for hartids as it can be higher
than NR_CPUs for platforms with sparse or discontguous hartids.
Remove all association between hartid mask and struct cpumask.
Reviewed-by: Anup Patel <anup@brainfault.org> (For Linux RISC-V changes)
Acked-by: Anup Patel <anup@brainfault.org> (For KVM RISC-V changes)
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/kernel/setup.c')
| -rw-r--r-- | arch/riscv/kernel/setup.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 63241abe84eb..b42bfdc67482 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -59,16 +59,6 @@ atomic_t hart_lottery __section(".sdata") unsigned long boot_cpu_hartid; static DEFINE_PER_CPU(struct cpu, cpu_devices); -void riscv_cpuid_to_hartid_mask(const struct cpumask *in, struct cpumask *out) -{ - int cpu; - - cpumask_clear(out); - for_each_cpu(cpu, in) - cpumask_set_cpu(cpuid_to_hartid_map(cpu), out); -} -EXPORT_SYMBOL_GPL(riscv_cpuid_to_hartid_mask); - /* * Place kernel memory regions on the resource tree so that * kexec-tools can retrieve them from /proc/iomem. While there |