[Qemu-devel] [PATCH] acpi: add a missing backslash to the \_SB scope.

[Gal Hammer <ghammer@redhat.com>]

A predefined scope in the ACPI specs is precede with a backslash.

Signed-off-by: Gal Hammer <ghammer@redhat.com>
---
 hw/i386/acpi-build.c        | 2 +-
 include/hw/acpi/aml-build.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 8d1a761..05c1d34 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -856,7 +856,7 @@ build_ssdt(GArray *table_data, GArray *linker,
         aml_append(ssdt, scope);
     }
 
-    sb_scope = aml_scope("_SB");
+    sb_scope = aml_scope("\\_SB");
     {
         /* create PCI0.PRES device and its _CRS to reserve CPU hotplug MMIO */
         dev = aml_device("PCI0." stringify(CPU_HOTPLUG_RESOURCE_DEVICE));
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 48afb72..cb80f2a 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -120,7 +120,7 @@ void free_aml_allocator(void);
  * Joins Aml elements together and helps to construct AML tables
  * Examle of usage:
  *   Aml *table = aml_def_block("SSDT", ...);
- *   Aml *sb = aml_scope("\_SB");
+ *   Aml *sb = aml_scope("\\_SB");
  *   Aml *dev = aml_device("PCI0");
  *
  *   aml_append(dev, aml_name_decl("HID", aml_eisaid("PNP0A03")));
-- 
2.1.0