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Kernel: Create the time page region before initializing the timers
We were unconditionally trying to update it in the interrupt, which would depend on the timer interrupt not being received too soon after the timers are initialized (before the time page was initialized), which was the case when using HPET timers via the ACPI tables, but not when using the PIT when ACPI was disabled.
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2 changed files with 10 additions and 11 deletions
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@ -76,7 +76,7 @@ public:
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Memory::VMObject& time_page_vmobject();
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private:
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TimePage* time_page();
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TimePage& time_page();
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void update_time_page();
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bool probe_and_set_legacy_hardware_timers();
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@ -108,7 +108,7 @@ private:
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Atomic<u32> m_profile_enable_count { 0 };
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RefPtr<HardwareTimerBase> m_profile_timer;
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OwnPtr<Memory::Region> m_time_page_region;
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NonnullOwnPtr<Memory::Region> m_time_page_region;
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};
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}
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