diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kvm/coproc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c index 631e6bd0e05f..78c0885d6501 100644 --- a/arch/arm/kvm/coproc.c +++ b/arch/arm/kvm/coproc.c @@ -124,6 +124,10 @@ static void reset_l2ctlr(struct kvm_vcpu *vcpu, const struct coproc_reg *r) asm volatile("mrc p15, 1, %0, c9, c0, 2\n" : "=r" (l2ctlr)); l2ctlr &= ~(3 << 24); ncores = atomic_read(&vcpu->kvm->online_vcpus) - 1; + /* How many cores in the current cluster and the next ones */ + ncores -= (vcpu->vcpu_id & ~3); + /* Cap it to the maximum number of cores in a single cluster */ + ncores = min(ncores, 3U); l2ctlr |= (ncores & 3) << 24; vcpu->arch.cp15[c9_L2CTLR] = l2ctlr; |