stos/amd64: cpu: Ignore non online capable processors

Signed-off-by: Chloe M. <chloe@mensia.org>
2026-06-27 19:47:19 +00:00
parent 54faa60aca
commit 5e99093e9f
1 changed files with 11 additions and 0 deletions
@@ -19,6 +19,9 @@
 #define MP_LOG_CAP 4
 #define MP_DEBUG 1

+/* Local APIC flags */
+#define LAPIC_ONLINE_CAPABLE BIT(1)
+
 #define DTRACE(Fmt, ...) \
    TRACE("[ MP ]: " Fmt, ##__VA_ARGS__)

@@ -54,6 +57,14 @@ ApKick(ACPI_LOCAL_APIC *Lapic)
        return;
    }

+    /*
+     * Some processor entries may not be "online capable", if we
+     * encounter such entries, ignore it.
+     */
+    if (!ISSET(Lapic->Flags, LAPIC_ONLINE_CAPABLE)) {
+        return;
+    }
+
    /* Send an INIT IPI to the processor */
    MdLapicSendIpi(
        0,