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-rw-r--r--virt/kvm/arm/vgic.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 367a180..f8ca2e9 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) {
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