1 files changed, 8 insertions, 3 deletions

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 04f7df39ffbb..573afb68d69e 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -1,6 +1,4 @@
 /*
- *  linux/arch/ppc64/kernel/vdso.c
- *
  *    Copyright (C) 2004 Benjamin Herrenschmidt, IBM Corp.
  *                       <benh@kernel.crashing.org>
  *
@@ -35,6 +33,7 @@
 #include <asm/machdep.h>
 #include <asm/cputable.h>
 #include <asm/sections.h>
+#include <asm/firmware.h>
 #include <asm/vdso.h>
 #include <asm/vdso_datapage.h>
 
@@ -669,7 +668,13 @@ void __init vdso_init(void)
         vdso_data->version.major = SYSTEMCFG_MAJOR;
         vdso_data->version.minor = SYSTEMCFG_MINOR;
         vdso_data->processor = mfspr(SPRN_PVR);
-        vdso_data->platform = _machine;
+        /*
+         * Fake the old platform number for pSeries and iSeries and add
+         * in LPAR bit if necessary
+         */
+        vdso_data->platform = machine_is(iseries) ? 0x200 : 0x100;
+        if (firmware_has_feature(FW_FEATURE_LPAR))
+                vdso_data->platform |= 1;
         vdso_data->physicalMemorySize = lmb_phys_mem_size();
         vdso_data->dcache_size = ppc64_caches.dsize;
         vdso_data->dcache_line_size = ppc64_caches.dline_size;