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KConditionVariable/KAddressArbiter: no need for global compare thread

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Michael Scire 2020-12-01 16:19:39 -08:00 • committed by SciresM
parent 550f5690bf
commit c8ebd7eea0
6 changed files with 124 additions and 23 deletions
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12
libraries/libmesosphere/source/kern_k_address_arbiter.cpp
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@ -50,9 +50,8 @@ namespace ams::kern {
s32 num_waiters = 0;
{
KScopedSchedulerLock sl;
g_cv_arbiter_compare_thread.SetupForAddressArbiterCompare(addr, -1);
auto it = this->tree.nfind(g_cv_arbiter_compare_thread);
auto it = this->tree.nfind_light({ addr, -1 });
while ((it != this->tree.end()) && (count <= 0 || num_waiters < count) && (it->GetAddressArbiterKey() == addr)) {
KThread *target_thread = std::addressof(*it);
target_thread->SetSyncedObject(nullptr, ResultSuccess());
@ -79,10 +78,7 @@ namespace ams::kern {
R_UNLESS(UpdateIfEqual(std::addressof(user_value), addr, value, value + 1), svc::ResultInvalidCurrentMemory());
R_UNLESS(user_value == value, svc::ResultInvalidState());
g_cv_arbiter_compare_thread.SetupForAddressArbiterCompare(addr, -1);
auto it = this->tree.nfind(g_cv_arbiter_compare_thread);
auto it = this->tree.nfind_light({ addr, -1 });
while ((it != this->tree.end()) && (count <= 0 || num_waiters < count) && (it->GetAddressArbiterKey() == addr)) {
KThread *target_thread = std::addressof(*it);
target_thread->SetSyncedObject(nullptr, ResultSuccess());
@ -103,10 +99,8 @@ namespace ams::kern {
s32 num_waiters = 0;
{
KScopedSchedulerLock sl;
g_cv_arbiter_compare_thread.SetupForAddressArbiterCompare(addr, -1);
auto it = this->tree.nfind(g_cv_arbiter_compare_thread);
auto it = this->tree.nfind_light({ addr, -1 });
/* Determine the updated value. */
s32 new_value;
if (GetTargetFirmware() >= TargetFirmware_7_0_0) {