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Kernel: PageTableScope locks the PageTable before disabling interrupts

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This allows replacing some PageTableScopes with PageTable::lock()
This commit is contained in:
Bananymous
2023-06-09 00:34:41 +03:00
parent 841584ccbd
commit 59b10c4d25
1 changed files with 4 additions and 1 deletions
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5
kernel/include/kernel/Memory/PageTableScope.h
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@@ -1,6 +1,7 @@
#pragma once #pragma once
#include <kernel/CriticalScope.h> #include <kernel/CriticalScope.h>
#include <kernel/LockGuard.h>
#include <kernel/Memory/PageTable.h> #include <kernel/Memory/PageTable.h>
namespace Kernel namespace Kernel
@@ -10,7 +11,8 @@ namespace Kernel
{ {
public: public:
PageTableScope(PageTable& page_table) PageTableScope(PageTable& page_table)
: m_old(PageTable::current()) : m_guard(page_table)
, m_old(PageTable::current())
, m_temp(page_table) , m_temp(page_table)
{ {
if (&m_old != &m_temp) if (&m_old != &m_temp)
@@ -22,6 +24,7 @@ namespace Kernel
m_old.load(); m_old.load();
} }
private: private:
LockGuard<PageTable> m_guard;
CriticalScope m_scope; CriticalScope m_scope;
PageTable& m_old; PageTable& m_old;
PageTable& m_temp; PageTable& m_temp;