summaryrefslogtreecommitdiffstats
path: root/src/core/hle/kernel
diff options
context:
space:
mode:
authorbunnei <bunneidev@gmail.com>2022-04-08 01:01:26 +0200
committerbunnei <bunneidev@gmail.com>2022-04-12 06:13:40 +0200
commit8deaac8bd1707f56f29d61e427ad53964a0920fd (patch)
treed17e4ed20b9249507ad587aa0eb82e277daff614 /src/core/hle/kernel
parentMerge pull request #8157 from lat9nq/kernel-races (diff)
downloadyuzu-8deaac8bd1707f56f29d61e427ad53964a0920fd.tar
yuzu-8deaac8bd1707f56f29d61e427ad53964a0920fd.tar.gz
yuzu-8deaac8bd1707f56f29d61e427ad53964a0920fd.tar.bz2
yuzu-8deaac8bd1707f56f29d61e427ad53964a0920fd.tar.lz
yuzu-8deaac8bd1707f56f29d61e427ad53964a0920fd.tar.xz
yuzu-8deaac8bd1707f56f29d61e427ad53964a0920fd.tar.zst
yuzu-8deaac8bd1707f56f29d61e427ad53964a0920fd.zip
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r--src/core/hle/kernel/global_scheduler_context.h3
-rw-r--r--src/core/hle/kernel/k_scheduler.cpp8
-rw-r--r--src/core/hle/kernel/k_spin_lock.cpp11
-rw-r--r--src/core/hle/kernel/k_spin_lock.h4
-rw-r--r--src/core/hle/kernel/k_thread.h3
-rw-r--r--src/core/hle/kernel/physical_core.cpp3
-rw-r--r--src/core/hle/kernel/physical_core.h7
7 files changed, 15 insertions, 24 deletions
diff --git a/src/core/hle/kernel/global_scheduler_context.h b/src/core/hle/kernel/global_scheduler_context.h
index 6f44b534f..47425a3a1 100644
--- a/src/core/hle/kernel/global_scheduler_context.h
+++ b/src/core/hle/kernel/global_scheduler_context.h
@@ -8,7 +8,6 @@
#include <vector>
#include "common/common_types.h"
-#include "common/spin_lock.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/k_priority_queue.h"
#include "core/hle/kernel/k_scheduler_lock.h"
@@ -80,7 +79,7 @@ private:
/// Lists all thread ids that aren't deleted/etc.
std::vector<KThread*> thread_list;
- Common::SpinLock global_list_guard{};
+ std::mutex global_list_guard;
};
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp
index 6c0bb1672..526eb4b70 100644
--- a/src/core/hle/kernel/k_scheduler.cpp
+++ b/src/core/hle/kernel/k_scheduler.cpp
@@ -705,7 +705,7 @@ void KScheduler::Unload(KThread* thread) {
prev_thread = nullptr;
}
- thread->context_guard.Unlock();
+ thread->context_guard.unlock();
}
void KScheduler::Reload(KThread* thread) {
@@ -794,13 +794,13 @@ void KScheduler::SwitchToCurrent() {
do {
auto next_thread = current_thread.load();
if (next_thread != nullptr) {
- const auto locked = next_thread->context_guard.TryLock();
+ const auto locked = next_thread->context_guard.try_lock();
if (state.needs_scheduling.load()) {
- next_thread->context_guard.Unlock();
+ next_thread->context_guard.unlock();
break;
}
if (next_thread->GetActiveCore() != core_id) {
- next_thread->context_guard.Unlock();
+ next_thread->context_guard.unlock();
break;
}
if (!locked) {
diff --git a/src/core/hle/kernel/k_spin_lock.cpp b/src/core/hle/kernel/k_spin_lock.cpp
index 4412aa4bb..4df2e5c1a 100644
--- a/src/core/hle/kernel/k_spin_lock.cpp
+++ b/src/core/hle/kernel/k_spin_lock.cpp
@@ -35,20 +35,15 @@ void ThreadPause() {
namespace Kernel {
void KSpinLock::Lock() {
- while (lck.test_and_set(std::memory_order_acquire)) {
- ThreadPause();
- }
+ lck.lock();
}
void KSpinLock::Unlock() {
- lck.clear(std::memory_order_release);
+ lck.unlock();
}
bool KSpinLock::TryLock() {
- if (lck.test_and_set(std::memory_order_acquire)) {
- return false;
- }
- return true;
+ return lck.try_lock();
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/k_spin_lock.h b/src/core/hle/kernel/k_spin_lock.h
index 4d87d006a..7868b25a5 100644
--- a/src/core/hle/kernel/k_spin_lock.h
+++ b/src/core/hle/kernel/k_spin_lock.h
@@ -4,7 +4,7 @@
#pragma once
-#include <atomic>
+#include <mutex>
#include "core/hle/kernel/k_scoped_lock.h"
@@ -25,7 +25,7 @@ public:
[[nodiscard]] bool TryLock();
private:
- std::atomic_flag lck = ATOMIC_FLAG_INIT;
+ std::mutex lck;
};
// TODO(bunnei): Alias for now, in case we want to implement these accurately in the future.
diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h
index d0fd85130..c141fc11b 100644
--- a/src/core/hle/kernel/k_thread.h
+++ b/src/core/hle/kernel/k_thread.h
@@ -15,6 +15,7 @@
#include "common/common_types.h"
#include "common/intrusive_red_black_tree.h"
+#include "common/spin_lock.h"
#include "core/arm/arm_interface.h"
#include "core/hle/kernel/k_affinity_mask.h"
#include "core/hle/kernel/k_light_lock.h"
@@ -762,7 +763,7 @@ private:
s8 priority_inheritance_count{};
bool resource_limit_release_hint{};
StackParameters stack_parameters{};
- KSpinLock context_guard{};
+ Common::SpinLock context_guard{};
KSpinLock dummy_wait_lock{};
// For emulation
diff --git a/src/core/hle/kernel/physical_core.cpp b/src/core/hle/kernel/physical_core.cpp
index 18a5f40f8..cc49e8c7e 100644
--- a/src/core/hle/kernel/physical_core.cpp
+++ b/src/core/hle/kernel/physical_core.cpp
@@ -2,7 +2,6 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
-#include "common/spin_lock.h"
#include "core/arm/cpu_interrupt_handler.h"
#include "core/arm/dynarmic/arm_dynarmic_32.h"
#include "core/arm/dynarmic/arm_dynarmic_64.h"
@@ -16,7 +15,7 @@ namespace Kernel {
PhysicalCore::PhysicalCore(std::size_t core_index_, Core::System& system_, KScheduler& scheduler_,
Core::CPUInterrupts& interrupts_)
: core_index{core_index_}, system{system_}, scheduler{scheduler_},
- interrupts{interrupts_}, guard{std::make_unique<Common::SpinLock>()} {
+ interrupts{interrupts_}, guard{std::make_unique<std::mutex>()} {
#ifdef ARCHITECTURE_x86_64
// TODO(bunnei): Initialization relies on a core being available. We may later replace this with
// a 32-bit instance of Dynarmic. This should be abstracted out to a CPU manager.
diff --git a/src/core/hle/kernel/physical_core.h b/src/core/hle/kernel/physical_core.h
index 16a032e89..f2112fc1d 100644
--- a/src/core/hle/kernel/physical_core.h
+++ b/src/core/hle/kernel/physical_core.h
@@ -6,13 +6,10 @@
#include <cstddef>
#include <memory>
+#include <mutex>
#include "core/arm/arm_interface.h"
-namespace Common {
-class SpinLock;
-}
-
namespace Kernel {
class KScheduler;
} // namespace Kernel
@@ -91,7 +88,7 @@ private:
Core::System& system;
Kernel::KScheduler& scheduler;
Core::CPUInterrupts& interrupts;
- std::unique_ptr<Common::SpinLock> guard;
+ std::unique_ptr<std::mutex> guard;
std::unique_ptr<Core::ARM_Interface> arm_interface;
};