title: arm: Guests can trigger a deadlock on Cortex-A77
description: Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412
where software, under certain circumstances, could deadlock a core
due to the execution of either a load to device or non-cacheable memory,
and either a store exclusive or register read of the Physical
Address Register (PAR_EL1) in close proximity.
affected:
{
defaultStatus: unknown
product: Xen
vendor: Xen
versions:
status: unknown, version: consult Xen advisory XSA-436
}
workarounds: There are no known mitigations.