[Qemu-devel] [PATCH 34/35] pc: ACPI BIOS: make GPE.3 handle memory hotplug event on PIIX and Q35 machines

[Igor Mammedov]

also make handler edge based to avoid loosing events, the same as
it has been done for PCI and CPU hotplug handlers.

Signed-off-by: Igor Mammedov <address@hidden>
---
 hw/i386/acpi-dsdt.dsl     | 5 ++++-
 hw/i386/q35-acpi-dsdt.dsl | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl
index b846195..d3fb533 100644
--- a/hw/i386/acpi-dsdt.dsl
+++ b/hw/i386/acpi-dsdt.dsl
@@ -322,6 +322,7 @@ DefinitionBlock (
 /****************************************************************
  * General purpose events
  ****************************************************************/
+    External(\_SB.MHPD.MESC, MethodObj)
 
     Scope(\_GPE) {
         Name(_HID, "ACPI0006")
@@ -338,7 +339,9 @@ DefinitionBlock (
             // CPU hotplug event
             \_SB.PRSC()
         }
-        Method(_L03) {
+        Method(_E03) {
+            // Memory hotplug event
+            \_SB.MHPD.MESC()
         }
         Method(_L04) {
         }
diff --git a/hw/i386/q35-acpi-dsdt.dsl b/hw/i386/q35-acpi-dsdt.dsl
index 766e96d..a55e34f 100644
--- a/hw/i386/q35-acpi-dsdt.dsl
+++ b/hw/i386/q35-acpi-dsdt.dsl
@@ -418,6 +418,7 @@ DefinitionBlock (
 /****************************************************************
  * General purpose events
  ****************************************************************/
+    External(\_SB.MHPD.MESC, MethodObj)
 
     Scope(\_GPE) {
         Name(_HID, "ACPI0006")
@@ -430,7 +431,9 @@ DefinitionBlock (
             // CPU hotplug event
             \_SB.PRSC()
         }
-        Method(_L03) {
+        Method(_E03) {
+            // Memory hotplug event
+            \_SB.MHPD.MESC()
         }
         Method(_L04) {
         }
-- 
1.9.0