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Kernel/Arbiters: When doing ArbitrateAddress(Signal), always pick the highest priority thread, using the first one that was put to sleep if more than one thread with the same highest priority exists.

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This is consistent with hardware behavior as shown by this test https://gist.github.com/ds84182/40e46129bd38b46a5100f15f96ba5eaf
This commit is contained in:
Subv 2017-11-08 18:07:22 -05:00
parent 7d12aaaa20
commit c68adb787b
4 changed files with 82 additions and 64 deletions
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3
src/core/hle/svc.cpp
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@ -629,7 +629,8 @@ static ResultCode ArbitrateAddress(Kernel::Handle handle, u32 address, u32 type,
if (arbiter == nullptr)
return ERR_INVALID_HANDLE;
auto res = arbiter->ArbitrateAddress(static_cast<Kernel::ArbitrationType>(type), address, value,
auto res = arbiter->ArbitrateAddress(Kernel::GetCurrentThread(),
static_cast<Kernel::ArbitrationType>(type), address, value,
nanoseconds);
// TODO(Subv): Identify in which specific cases this call should cause a reschedule.