[pve-devel] [PATCH 21/31] PVE: [Config] Revert "target-i386: disable LINT0 after reset"

Dietmar Maurer dietmar at proxmox.com
Fri Mar 6 12:30:01 CET 2020


From: Wolfgang Bumiller <w.bumiller at proxmox.com>

This reverts commit b8eb5512fd8a115f164edbbe897cdf8884920ccb.

Signed-off-by: Thomas Lamprecht <t.lamprecht at proxmox.com>
---
 hw/intc/apic_common.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index 375cb6abe9..e7d479c7e9 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -259,6 +259,15 @@ static void apic_reset_common(DeviceState *dev)
     info->vapic_base_update(s);
 
     apic_init_reset(dev);
+
+    if (bsp) {
+        /*
+         * LINT0 delivery mode on CPU #0 is set to ExtInt at initialization
+         * time typically by BIOS, so PIC interrupt can be delivered to the
+         * processor when local APIC is enabled.
+         */
+        s->lvt[APIC_LVT_LINT0] = 0x700;
+    }
 }
 
 static const VMStateDescription vmstate_apic_common;
-- 
2.20.1




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