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Kernel: Remove unused syscall sys$minherit()

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This is no longer used. We can bring it back the day we need it.
This commit is contained in:
Andreas Kling 2021-01-16 14:41:58 +01:00
parent de31e82f97
commit 43109f9614
8 changed files with 0 additions and 60 deletions
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13
Kernel/VM/Region.cpp
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@ -93,19 +93,6 @@ OwnPtr<Region> Region::clone(Process& new_owner)
ASSERT(Process::current());
ScopedSpinLock lock(s_mm_lock);
if (m_inherit_mode == InheritMode::ZeroedOnFork) {
ASSERT(m_mmap);
ASSERT(!m_shared);
ASSERT(vmobject().is_anonymous());
auto new_vmobject = AnonymousVMObject::create_with_size(size(), AllocationStrategy::Reserve); // TODO: inherit committed non-volatile areas?
if (!new_vmobject)
return {};
auto zeroed_region = Region::create_user_accessible(&new_owner, m_range, new_vmobject.release_nonnull(), 0, m_name, m_access);
zeroed_region->copy_purgeable_page_ranges(*this);
zeroed_region->set_mmap(m_mmap);
zeroed_region->set_inherit_mode(m_inherit_mode);
return zeroed_region;
}
if (m_shared) {
ASSERT(!m_stack);

8
Kernel/VM/Region.h
View file

@ -56,11 +56,6 @@ public:
Execute = 4,
};
enum class InheritMode {
Default,
ZeroedOnFork,
};
static NonnullOwnPtr<Region> create_user_accessible(Process*, const Range&, NonnullRefPtr<VMObject>, size_t offset_in_vmobject, const StringView& name, u8 access, bool cacheable = true, bool shared = false);
static NonnullOwnPtr<Region> create_kernel_only(const Range&, NonnullRefPtr<VMObject>, size_t offset_in_vmobject, const StringView& name, u8 access, bool cacheable = true);
@ -227,8 +222,6 @@ public:
// NOTE: These are public so we can make<> them.
Region(const Range&, NonnullRefPtr<VMObject>, size_t offset_in_vmobject, const String&, u8 access, bool cacheable, bool kernel, bool shared);
void set_inherit_mode(InheritMode inherit_mode) { m_inherit_mode = inherit_mode; }
bool remap_vmobject_page_range(size_t page_index, size_t page_count);
bool is_volatile(VirtualAddress vaddr, size_t size) const;
@ -270,7 +263,6 @@ private:
NonnullRefPtr<VMObject> m_vmobject;
String m_name;
u8 m_access { 0 };
InheritMode m_inherit_mode : 3 { InheritMode::Default };
bool m_shared : 1 { false };
bool m_user_accessible : 1 { false };
bool m_cacheable : 1 { false };