Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (202 commits)
  [POWERPC] Fix compile breakage for 64-bit UP configs
  [POWERPC] Define copy_siginfo_from_user32
  [POWERPC] Add compat handler for PTRACE_GETSIGINFO
  [POWERPC] i2c: Fix build breakage introduced by OF helpers
  [POWERPC] Optimize fls64() on 64-bit processors
  [POWERPC] irqtrace support for 64-bit powerpc
  [POWERPC] Stacktrace support for lockdep
  [POWERPC] Move stackframe definitions to common header
  [POWERPC] Fix device-tree locking vs. interrupts
  [POWERPC] Make pci_bus_to_host()'s struct pci_bus * argument const
  [POWERPC] Remove unused __max_memory variable
  [POWERPC] Simplify xics direct/lpar irq_host setup
  [POWERPC] Use pseries_setup_i8259_cascade() in pseries_mpic_init_IRQ()
  [POWERPC] Turn xics_setup_8259_cascade() into a generic pseries_setup_i8259_cascade()
  [POWERPC] Move xics_setup_8259_cascade() into platforms/pseries/setup.c
  [POWERPC] Use asm-generic/bitops/find.h in bitops.h
  [POWERPC] 83xx: mpc8315 - fix USB UTMI Host setup
  [POWERPC] 85xx: Fix the size of qe muram for MPC8568E
  [POWERPC] 86xx: mpc86xx_hpcn - Temporarily accept old dts node identifier.
  [POWERPC] 86xx: mark functions static, other minor cleanups
  ...

1 files changed, 9 insertions, 25 deletions

diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 55f1a25085cd..ac163bd46cfd 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -15,7 +15,6 @@
 #include <asm/ptrace.h>
 #include <asm/page.h>
 #include <asm/lppaca.h>
-#include <asm/iseries/it_lp_reg_save.h>
 #include <asm/paca.h>
 #include <asm/mmu.h>
 
@@ -25,13 +24,13 @@
 extern unsigned long __toc_start;
 
 /*
- * iSeries structure which the hypervisor knows about - this structure
+ * The structure which the hypervisor knows about - this structure
  * should not cross a page boundary.  The vpa_init/register_vpa call
  * is now known to fail if the lppaca structure crosses a page
- * boundary.  The lppaca is also used on POWER5 pSeries boxes.  The
- * lppaca is 640 bytes long, and cannot readily change since the
- * hypervisor knows its layout, so a 1kB alignment will suffice to
- * ensure that it doesn't cross a page boundary.
+ * boundary.  The lppaca is also used on legacy iSeries and POWER5
+ * pSeries boxes.  The lppaca is 640 bytes long, and cannot readily
+ * change since the hypervisor knows its layout, so a 1kB alignment
+ * will suffice to ensure that it doesn't cross a page boundary.
  */
 struct lppaca lppaca[] = {
 	[0 ... (NR_CPUS-1)] = {
@@ -66,32 +65,17 @@ struct slb_shadow slb_shadow[] __cacheline_aligned = {
  * processors.  The processor VPD array needs one entry per physical
  * processor (not thread).
  */
-#define PACA_INIT_COMMON(number)					    \
+#define PACA_INIT(number)						    \
+{									    \
 	.lppaca_ptr = &lppaca[number],					    \
 	.lock_token = 0x8000,						    \
 	.paca_index = (number),		/* Paca Index */		    \
 	.kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL,		    \
 	.hw_cpu_id = 0xffff,						    \
-	.slb_shadow_ptr = &slb_shadow[number],
-
-#ifdef CONFIG_PPC_ISERIES
-#define PACA_INIT_ISERIES(number)					    \
-	.reg_save_ptr = &iseries_reg_save[number],
-
-#define PACA_INIT(number)						    \
-{									    \
-	PACA_INIT_COMMON(number)					    \
-	PACA_INIT_ISERIES(number)					    \
+	.slb_shadow_ptr = &slb_shadow[number],				    \
+	.__current = &init_task,					    \
 }
 
-#else
-#define PACA_INIT(number)						    \
-{									    \
-	PACA_INIT_COMMON(number)					    \
-}
-
-#endif
-
 struct paca_struct paca[] = {
 	PACA_INIT(0),
 #if NR_CPUS > 1