powerpc: Fix some compile problems with the VDSO stuff

We needed the VDSO symbols in the arch/ppc asm-offsets.c, and there
were a few usages of _systemcfg still left lying around.

Signed-off-by: Paul Mackerras <paulus@samba.org>

5 files changed, 33 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index e45ce48ec126..1b3ba8a440a6 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -35,7 +35,7 @@
 #include <asm/time.h>
 #include <asm/iseries/it_exp_vpd_panel.h>
 #include <asm/prom.h>
-#include <asm/systemcfg.h>
+#include <asm/vdso_datapage.h>
 
 #define MODULE_VERS "1.6"
 #define MODULE_NAME "lparcfg"
@@ -369,7 +369,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
         lrdrp = (int *)get_property(rtas_node, "ibm,lrdr-capacity", NULL);
 
         if (lrdrp == NULL) {
-                partition_potential_processors = _systemcfg->processorCount;
+                partition_potential_processors = vdso_data->processorCount;
         } else {
                 partition_potential_processors = *(lrdrp + 4);
         }
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 758331d4d1a5..8a3bed5f143a 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -19,7 +19,7 @@ EXTRA_AFLAGS := -D__VDSO32__ -s
 
 obj-y += vdso32_wrapper.o
 extra-y += vdso32.lds
-CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
+CPPFLAGS_vdso32.lds += -P -C -Upowerpc
 
 # Force dependency (incbin is bad)
 $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c
index 00cf331a1dc4..a6f628d4c9dc 100644
--- a/arch/powerpc/platforms/pseries/rtasd.c
+++ b/arch/powerpc/platforms/pseries/rtasd.c
@@ -27,7 +27,6 @@
 #include <asm/prom.h>
 #include <asm/nvram.h>
 #include <asm/atomic.h>
-#include <asm/systemcfg.h>
 
 #if 0
 #define DEBUG(A...)     printk(KERN_ERR A)
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 3ba794ca3288..5800cde7d5ad 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -46,7 +46,7 @@
 #include <asm/rtas.h>
 #include <asm/pSeries_reconfig.h>
 #include <asm/mpic.h>
-#include <asm/systemcfg.h>
+#include <asm/vdso_datapage.h>
 
 #include "plpar_wrappers.h"
 
@@ -97,7 +97,7 @@ int pSeries_cpu_disable(void)
         int cpu = smp_processor_id();
 
         cpu_clear(cpu, cpu_online_map);
-        _systemcfg->processorCount--;
+        vdso_data->processorCount--;
 
         /*fix boot_cpuid here*/
         if (cpu == boot_cpuid)
diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c
index 968261d69572..fe0e767fb94e 100644
--- a/arch/ppc/kernel/asm-offsets.c
+++ b/arch/ppc/kernel/asm-offsets.c
@@ -25,6 +25,7 @@
 #include <asm/processor.h>
 #include <asm/cputable.h>
 #include <asm/thread_info.h>
+#include <asm/vdso_datapage.h>
 
 #define DEFINE(sym, val) \
         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
@@ -143,5 +144,32 @@ main(void)
 
         DEFINE(TASK_SIZE, TASK_SIZE);
         DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
+
+        /* datapage offsets for use by vdso */
+        DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp));
+        DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec));
+        DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs));
+        DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec));
+        DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count));
+        DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest));
+        DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime));
+        DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32));
+        DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec));
+        DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
+        DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec));
+        DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec));
+        DEFINE(TSPEC32_TV_SEC, offsetof(struct timespec, tv_sec));
+        DEFINE(TSPEC32_TV_NSEC, offsetof(struct timespec, tv_nsec));
+
+        /* timeval/timezone offsets for use by vdso */
+        DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
+        DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
+
+        /* Other bits used by the vdso */
+        DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
+        DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
+        DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
+        DEFINE(CLOCK_REALTIME_RES, TICK_NSEC);
+
         return 0;
 }