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[11/25] acpi: align RSDP

Message ID 1409160982-16389-12-git-send-email-mdroth@linux.vnet.ibm.com
State New
Headers show

Commit Message

Michael Roth Aug. 27, 2014, 5:36 p.m. UTC 
From: "Michael S. Tsirkin" <mst@redhat.com>

RSDP should be aligned at a 16-byte boundary.
This would by chance at the moment, fix up acpi build
to make it robust.

Cc: qemu-stable@nongnu.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
(cherry picked from commit d67aadccfa0bd3330a7b8e7e0a1726117ba75cf1)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 hw/i386/acpi-build.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 816c6d9..10b84d0 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1393,7 +1393,7 @@  build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt)
 {
     AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp);
 
-    bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, 1,
+    bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, 16,
                              true /* fseg memory */);
 
     memcpy(&rsdp->signature, "RSD PTR ", 8);