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kernel: be more careful about kernel address keys

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This commit is contained in:
Liam 2023-02-23 20:32:03 -05:00
parent c4ba088a5d
commit 97f7f7bad5
5 changed files with 23 additions and 11 deletions
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12
src/core/hle/kernel/k_thread.cpp
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@ -933,12 +933,14 @@ void KThread::AddHeldLock(LockWithPriorityInheritanceInfo* lock_info) {
held_lock_info_list.push_front(*lock_info);
}
KThread::LockWithPriorityInheritanceInfo* KThread::FindHeldLock(VAddr address_key_) {
KThread::LockWithPriorityInheritanceInfo* KThread::FindHeldLock(VAddr address_key_,
bool is_kernel_address_key_) {
ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(kernel));
// Try to find an existing held lock.
for (auto& held_lock : held_lock_info_list) {
if (held_lock.GetAddressKey() == address_key_) {
if (held_lock.GetAddressKey() == address_key_ &&
held_lock.GetIsKernelAddressKey() == is_kernel_address_key_) {
return std::addressof(held_lock);
}
}
@ -961,7 +963,7 @@ void KThread::AddWaiterImpl(KThread* thread) {
}
// Get the relevant lock info.
auto* lock_info = this->FindHeldLock(address_key_);
auto* lock_info = this->FindHeldLock(address_key_, is_kernel_address_key_);
if (lock_info == nullptr) {
// Create a new lock for the address key.
lock_info =
@ -1067,11 +1069,11 @@ void KThread::RemoveWaiter(KThread* thread) {
}
}
KThread* KThread::RemoveWaiterByKey(bool* out_has_waiters, VAddr key) {
KThread* KThread::RemoveWaiterByKey(bool* out_has_waiters, VAddr key, bool is_kernel_address_key_) {
ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(kernel));
// Get the relevant lock info.
auto* lock_info = this->FindHeldLock(key);
auto* lock_info = this->FindHeldLock(key, is_kernel_address_key_);
if (lock_info == nullptr) {
*out_has_waiters = false;
return nullptr;