diff mbox series

[v3,5/5] hw/arm/virt: Disable highmem devices that don't fit in the PA range

Message ID 20211227211642.994461-6-maz@kernel.org (mailing list archive)
State New, archived
Headers show
Series target/arm: Reduced-IPA space and highmem=off fixes | expand

Commit Message

Marc Zyngier Dec. 27, 2021, 9:16 p.m. UTC 
Make sure both the highmem PCIe and GICv3 regions are disabled when
they don't fully fit in the PA range.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 hw/arm/virt.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 212079e7a6..18e615070f 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1723,6 +1723,9 @@  static void virt_set_memmap(VirtMachineState *vms, int pa_bits)
     if (base <= BIT_ULL(pa_bits)) {
         vms->highest_gpa = base - 1;
     } else {
+        /* Advertise that we have disabled the highmem devices */
+        vms->highmem_ecam = false;
+        vms->highmem_redists = false;
         vms->highest_gpa = memtop - 1;
     }