From: Andrew Jones <ajones@xxxxxxxxxxxxxxxx> The number of hart bits should be obtained from the highest hart ID, not the number of harts. For example, if a guest has 2 harts, then the number of bits should be fls(1) == 1. Signed-off-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx> Signed-off-by: Anup Patel <apatel@xxxxxxxxxxxxxxxx> --- riscv/aia.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/riscv/aia.c b/riscv/aia.c index fe9399a..21d9704 100644 --- a/riscv/aia.c +++ b/riscv/aia.c @@ -164,7 +164,7 @@ static int aia__init(struct kvm *kvm) ret = ioctl(aia_fd, KVM_SET_DEVICE_ATTR, &aia_nr_sources_attr); if (ret) return ret; - aia_hart_bits = fls_long(kvm->nrcpus); + aia_hart_bits = fls_long(kvm->nrcpus - 1); ret = ioctl(aia_fd, KVM_SET_DEVICE_ATTR, &aia_hart_bits_attr); if (ret) return ret; -- 2.34.1
