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sys/lapic: Skip MADT type 4 NMI entries for x2APIC UIDs above 0xfe

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Mintsuki
2026-04-19 03:07:59 +02:00
parent ff63204fc9
commit 65a4eaed9d
1 changed files with 3 additions and 2 deletions
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5
common/sys/lapic.c
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@@ -64,8 +64,9 @@ void lapic_prep_lint(struct madt *madt, uint32_t acpi_uid, bool x2apic) {
struct madt_lapic_nmi *nmi = (void *)madt_ptr;
// Match all processors (0xff) or specific UID
if (nmi->acpi_processor_uid != 0xff && nmi->acpi_processor_uid != (uint8_t)acpi_uid) {
// Match all processors (0xff) or specific UID.
if (nmi->acpi_processor_uid != 0xff
&& (acpi_uid > 0xfe || nmi->acpi_processor_uid != acpi_uid)) {
continue;
}