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[kernel] Add spinlocks to vm_space, frame_allocator

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Also updated spinlock interface to be an object, and added a scoped lock
object that uses it as well.
This commit is contained in:
Justin C. Miller
2021-02-10 23:57:51 -08:00
parent 793bba95b5
commit 8c0d52d0fe
7 changed files with 68 additions and 29 deletions
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4
src/kernel/vm_space.cpp
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@@ -33,7 +33,7 @@ vm_space::vm_space(page_table *p) :
{}
vm_space::vm_space() :
m_kernel(false)
m_kernel {false}
{
m_pml4 = page_table::get_table_page();
page_table *kpml4 = kernel_space().m_pml4;
@@ -163,6 +163,7 @@ void
vm_space::page_in(const vm_area &vma, uintptr_t offset, uintptr_t phys, size_t count)
{
using memory::frame_size;
kutil::scoped_lock lock {m_lock};
uintptr_t base = 0;
if (!find_vma(vma, base))
@@ -190,6 +191,7 @@ void
vm_space::clear(const vm_area &vma, uintptr_t offset, size_t count, bool free)
{
using memory::frame_size;
kutil::scoped_lock lock {m_lock};
uintptr_t base = 0;
if (!find_vma(vma, base))