diff options
| -rw-r--r-- | virt/kvm/arm/vgic.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 367a180fb5ac..f8ca2e9d2f0b 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -690,10 +690,9 @@ bool vgic_handle_cfg_reg(u32 *reg, struct kvm_exit_mmio *mmio, vgic_reg_access(mmio, &val, offset, ACCESS_READ_VALUE | ACCESS_WRITE_VALUE); if (mmio->is_write) { - if (offset < 8) { - *reg = ~0U; /* Force PPIs/SGIs to 1 */ + /* Ignore writes to read-only SGI and PPI bits */ + if (offset < 8) return false; - } val = vgic_cfg_compress(val); if (offset & 4) { |