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vbox5-nova: avoid using semaphore used by Lock

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Issue #3819
This commit is contained in:
Alexander Boettcher 2020-07-20 15:17:21 +02:00 committed by Christian Helmuth
parent eab09a2f7c
commit 0ed7367c97
1 changed files with 6 additions and 1 deletions
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7
repos/ports/src/virtualbox5/spec/nova/sup.cc
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@ -715,7 +715,12 @@ void genode_update_tsc(void (*update_func)(void), Genode::uint64_t update_us)
Trace::Timestamp const ticks_min_sleep = ticks_per_us * 100;
Trace::Timestamp wakeup_absolute = Trace::timestamp();
Genode::addr_t sem = Thread::myself()->native_thread().exc_pt_sel + Nova::SM_SEL_EC;
/* initialize first time in context of running thread */
auto const &exc_base = Thread::myself()->native_thread().exc_pt_sel;
request_signal_sm_cap(exc_base + Nova::PT_SEL_PAGE_FAULT,
exc_base + Nova::SM_SEL_SIGNAL);
Genode::addr_t const sem = exc_base + SM_SEL_SIGNAL;
for (;;) {
update_func();