Commits on Nov 1, 2024

1. Aarch64 GIC: adding locking for concurrently accessed resources …

   Some resources contained in the static gic structure (namely, the
   ITS command queue, the device list, and the ITS interrupt map) can
   be accessed concurrently by different vCPUS, for example when
   gic_percpu_init() is called by secondary vCPUs when they are
   brought up.
   Add a spinlock to protect these resources from concurrent access;
   this fixes sporadic boot failures on Aarch64 instances with more
   than vCPUs.

   

   francescolavra committed Nov 1, 2024
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