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| author | Andreas Kling <kling@serenityos.org> | 2022-08-18 17:33:21 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-08-18 18:52:34 +0200 |
| commit | 75348bdfd32003a8420fd5c727e41f5be9918711 (patch) | |
| tree | 650f4efb55c0bbe9c177fa9c56c3d322f446a430 /Kernel/Memory | |
| parent | abb84b9fcdf8b8d992967191ac1597aaa653c29d (diff) | |
| download | serenity-75348bdfd32003a8420fd5c727e41f5be9918711.zip | |
Kernel: Don't require MM lock for Region::set_page_directory()
The MM lock is not required for this, it's just a simple ref-counted
pointer assignment.
Diffstat (limited to 'Kernel/Memory')
| -rw-r--r-- | Kernel/Memory/AddressSpace.cpp | 1 | ||||
| -rw-r--r-- | Kernel/Memory/Region.cpp | 1 |
2 files changed, 0 insertions, 2 deletions
diff --git a/Kernel/Memory/AddressSpace.cpp b/Kernel/Memory/AddressSpace.cpp index 01964f324b..fc14dd45c0 100644 --- a/Kernel/Memory/AddressSpace.cpp +++ b/Kernel/Memory/AddressSpace.cpp @@ -214,7 +214,6 @@ ErrorOr<Region*> AddressSpace::allocate_region_with_vmobject(RandomizeVirtualAdd if (prot == PROT_NONE) { // For PROT_NONE mappings, we don't have to set up any page table mappings. // We do still need to attach the region to the page_directory though. - SpinlockLocker mm_locker(s_mm_lock); region->set_page_directory(page_directory()); } else { auto result = region->map(page_directory(), ShouldFlushTLB::No); diff --git a/Kernel/Memory/Region.cpp b/Kernel/Memory/Region.cpp index dcaa9de2b3..03e77f69cc 100644 --- a/Kernel/Memory/Region.cpp +++ b/Kernel/Memory/Region.cpp @@ -280,7 +280,6 @@ void Region::unmap_with_locks_held(ShouldFlushTLB should_flush_tlb, SpinlockLock void Region::set_page_directory(PageDirectory& page_directory) { VERIFY(!m_page_directory || m_page_directory == &page_directory); - VERIFY(s_mm_lock.is_locked_by_current_processor()); m_page_directory = page_directory; } |