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CPU preemption control: don't yield if we can't stop

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This commit is contained in:
Eladash 2022-09-15 08:02:20 +03:00 committed by Ivan
parent c8199de188
commit 9d9e18f614
1 changed files with 4 additions and 4 deletions
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8
rpcs3/Emu/CPU/CPUThread.cpp
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@ -736,7 +736,7 @@ bool cpu_thread::check_state() noexcept
if (!is_stopped(flags) && flags.none_of(cpu_flag::ret))
{
// Check pause flags which hold thread inside check_state (ignore suspend/debug flags on cpu_flag::temp)
if (flags & (cpu_flag::pause + cpu_flag::memory + cpu_flag::yield + cpu_flag::preempt) || (cpu_can_stop && flags & (cpu_flag::dbg_global_pause + cpu_flag::dbg_pause + cpu_flag::suspend)))
if (flags & (cpu_flag::pause + cpu_flag::memory) || (cpu_can_stop && flags & (cpu_flag::dbg_global_pause + cpu_flag::dbg_pause + cpu_flag::suspend + cpu_flag::yield + cpu_flag::preempt)))
{
if (!(flags & cpu_flag::wait))
{
@ -744,7 +744,7 @@ bool cpu_thread::check_state() noexcept
store = true;
}
if (flags & (cpu_flag::yield + cpu_flag::preempt))
if (flags & (cpu_flag::yield + cpu_flag::preempt) && cpu_can_stop)
{
flags -= (cpu_flag::yield + cpu_flag::preempt);
store = true;
@ -779,7 +779,7 @@ bool cpu_thread::check_state() noexcept
return store;
}).first;
if (state0 & cpu_flag::preempt)
if (state0 & cpu_flag::preempt && cpu_can_stop)
{
if (cpu_flag::wait - state0)
{
@ -899,7 +899,7 @@ bool cpu_thread::check_state() noexcept
continue;
}
if (state0 & cpu_flag::yield && cpu_flag::wait - state0)
if (state0 & cpu_flag::yield && cpu_flag::wait - state0 && cpu_can_stop)
{
if (auto spu = try_get<spu_thread>())
{