diff options
| author | Atish Patra <atishp@rivosinc.com> | 2022-01-20 01:09:18 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-01-20 09:27:22 -0800 |
| commit | 26fb751ca37846c912daa347be298bfd945cc560 (patch) | |
| tree | 545d865d622b096c9c193adba2ebd64b3d79c76a /arch/riscv/kvm/mmu.c | |
| parent | 2ffc48fc7071da4b2d881b0f21d37ed05feb697b (diff) | |
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/kvm/mmu.c')
| -rw-r--r-- | arch/riscv/kvm/mmu.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c index 9af67dbdc66a..f80a34fbf102 100644 --- a/arch/riscv/kvm/mmu.c +++ b/arch/riscv/kvm/mmu.c @@ -114,7 +114,6 @@ static bool stage2_get_leaf_entry(struct kvm *kvm, gpa_t addr, static void stage2_remote_tlb_flush(struct kvm *kvm, u32 level, gpa_t addr) { - struct cpumask hmask; unsigned long size = PAGE_SIZE; struct kvm_vmid *vmid = &kvm->arch.vmid; @@ -127,8 +126,7 @@ static void stage2_remote_tlb_flush(struct kvm *kvm, u32 level, gpa_t addr) * where the Guest/VM is running. */ preempt_disable(); - riscv_cpuid_to_hartid_mask(cpu_online_mask, &hmask); - sbi_remote_hfence_gvma_vmid(cpumask_bits(&hmask), addr, size, + sbi_remote_hfence_gvma_vmid(cpu_online_mask, addr, size, READ_ONCE(vmid->vmid)); preempt_enable(); } |