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kern: use KScopedLightLockPair helper for page table pair-locks

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This commit is contained in:
Michael Scire
2021-04-07 09:57:32 -07:00
committed by SciresM
parent 60b5bd73b7
commit 85f9355184
2 changed files with 83 additions and 64 deletions
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15
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
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@@ -301,9 +301,22 @@ namespace ams::kern {
void CleanupForIpcClientOnServerSetupFailure(PageLinkedList *page_list, KProcessAddress address, size_t size, KMemoryPermission prot_perm);
size_t GetSize(KMemoryState state) const;
ALWAYS_INLINE bool GetPhysicalAddressLocked(KPhysicalAddress *out, KProcessAddress virt_addr) const {
/* Validate pre-conditions. */
MESOSPHERE_AUDIT(this->IsLockedByCurrentThread());
return this->GetImpl().GetPhysicalAddress(out, virt_addr);
}
public:
bool GetPhysicalAddress(KPhysicalAddress *out, KProcessAddress virt_addr) const {
return this->GetImpl().GetPhysicalAddress(out, virt_addr);
/* Validate pre-conditions. */
MESOSPHERE_AUDIT(!this->IsLockedByCurrentThread());
/* Acquire exclusive access to the table while doing address translation. */
KScopedLightLock lk(m_general_lock);
return this->GetPhysicalAddressLocked(out, virt_addr);
}
KBlockInfoManager *GetBlockInfoManager() const { return m_block_info_manager; }