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Kernel: Propagate overflow errors from Memory::page_round_up

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Fixes #11402.
This commit is contained in:
Guilherme Goncalves 2021-12-24 11:22:11 -03:00 • committed by Andreas Kling
commit 33b78915d3
Notes: sideshowbarker 2024-07-17 22:09:47 +09:00
31 changed files with 112 additions and 100 deletions
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2
Kernel/Interrupts/APIC.cpp
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@ -334,7 +334,7 @@ UNMAP_AFTER_INIT void APIC::setup_ap_boot_environment()
// * aps_to_enable u32 values for ap_cpu_init_processor_info_array
constexpr u64 apic_startup_region_base = 0x8000;
VERIFY(apic_startup_region_base + apic_ap_start_size < USER_RANGE_BASE);
auto apic_startup_region = create_identity_mapped_region(PhysicalAddress(apic_startup_region_base), Memory::page_round_up(apic_ap_start_size + (2 * aps_to_enable * sizeof(u32))));
auto apic_startup_region = create_identity_mapped_region(PhysicalAddress(apic_startup_region_base), Memory::page_round_up(apic_ap_start_size + (2 * aps_to_enable * sizeof(u32))).release_value_but_fixme_should_propagate_errors());
memcpy(apic_startup_region->vaddr().as_ptr(), reinterpret_cast<const void*>(apic_ap_start), apic_ap_start_size);
// Allocate enough stacks for all APs