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foc/sel4: place vcpu thread on same cpu as ep

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Issue #3111
This commit is contained in:
Alexander Boettcher
2019-05-03 10:37:13 +02:00
committed by Christian Helmuth
parent 85d98195d5
commit c0a00019c0
3 changed files with 21 additions and 7 deletions
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11
repos/base-foc/src/lib/base/x86/vm_session.cc
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@ -1174,10 +1174,10 @@ struct Vcpu : Genode::Thread
Vcpu(Env &env, Signal_context_capability &cap,
Semaphore &handler_ready,
Vm_session_client::Vcpu_id &id, enum Virt type,
Allocator &alloc)
Allocator &alloc, Affinity::Location location)
:
Thread(env, "vcpu_thread", STACK_SIZE), _signal(cap),
_handler_ready(handler_ready), _alloc(alloc),
Thread(env, "vcpu_thread", STACK_SIZE, location, Weight(), env.cpu()),
_signal(cap), _handler_ready(handler_ready), _alloc(alloc),
_id(id), _vm_type(type)
{ }
@ -1256,10 +1256,13 @@ Vm_session_client::create_vcpu(Allocator &alloc, Env &env,
return id;
}
Thread * ep = reinterpret_cast<Thread *>(&handler._rpc_ep);
Affinity::Location location = ep->affinity();
/* create thread that switches modes between thread/cpu */
Vcpu * vcpu = new (alloc) Registered<Vcpu>(vcpus, env, handler._cap,
handler._done, id, vm_type,
alloc);
alloc, location);
try {
/* now it gets actually valid - vcpu->cap() becomes valid */