8e86e73626
Introduce new mutex locking functions mutex_trylock_nest_lock() and mutex_lock_killable_nest_lock() and use them to clean up locking of all vCPUs for a VM. For x86, this removes some complex code that was used instead of lockdep's "nest_lock" feature. For ARM and RISC-V, this removes a lockdep warning when the VM is configured to have more than MAX_LOCK_DEPTH vCPUs, and removes a fair amount of duplicate code by sharing the logic across all architectures. Signed-off-by: Paolo BOnzini <pbonzini@redhat.com> |
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