powerpc fixes for 4.7 #2

- ptrace: Fix out of bounds array access warning from Khem Raj
  - pseries: Fix PCI config address for DDW from Gavin Shan
  - pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET since POWER8NVL was added from Michael Ellerman
  - of: fix autoloading due to broken modalias with no 'compatible' from Wolfram Sang
  - radix: Fix always false comparison against MMU_NO_CONTEXT from Aneesh Kumar K.V
  - hash: Compute the segment size correctly for ISA 3.0 from Aneesh Kumar K.V
  - nohash: Fix build break with 64K pages from Michael Ellerman
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJXWpyDAAoJEFHr6jzI4aWAxl8P/0m7sbx8yyExRrRlv0kXPSHX
 5LI69fPgU44Vq6KImndN7D0UWxCZeSG6ZJmdEzDonYlPrMtXTC6wkG+tk1l2ov2/
 nsatn1HeCqO7W9rniKuFXAnleTZlq3pxPk55JUPySjS+6oIlfkJfNIQpJednNe/b
 RFj6HAOJEwKDRguADxJFHPi1ATIF5ahFVkowV0p8aCT2kII+Ixe/4I2RDfQ4oxVg
 l3Iq7TLmbl7s2jxIaSA3Qf2FZRgXHqtULWI+sj7uTHaAB/3tfqLf7ITG8VGSM0uQ
 cuBEPG/hPuebo0C/kFw3x1hGed7jsmAq8QIHIHBKwJNU3A3NKOoftivfUBuO6FrF
 zkkS21GhMNJb+7DZeF+8QPmvG/ORG6YZeZndvFXRyimQHTHP0XGeq86RckQ6zcl6
 mh3bEuqIzGV11IIA8JC2FhnRPx+3mSKPfewVZTX0tse+ZzbJWUz3yYB9AQjyAXoY
 fbHz9V9HCk4hfwb8CWm0GjVzHitSSDyJouwp0oUz84R+1X4rnPeZLxHMe3bMRI4k
 t6R9DmGdoe1Lgefd5SoPEE/sBxq0BMuyIiG6ICK/MW2SCb5VLGGh8bDrSI9vIVvy
 2uwfyj1toJlNWB1M08376AWWru7l/VgYW7I+sXJSp86eQ/FmdGChfuo+sn2shQyj
 kRoWoakEGUO5f6Ed5qPA
 =5kLq
 -----END PGP SIGNATURE-----

Merge tag 'powerpc-4.7-3Michael Ellerman:' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from
 - ptrace: Fix out of bounds array access warning from Khem Raj
 - pseries: Fix PCI config address for DDW from Gavin Shan
 - pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET since POWER8NVL was added
   from Michael Ellerman
 - of: fix autoloading due to broken modalias with no 'compatible' from
   Wolfram Sang
 - radix: Fix always false comparison against MMU_NO_CONTEXT from Aneesh
   Kumar K.V
 - hash: Compute the segment size correctly for ISA 3.0 from Aneesh
   Kumar K.V
 - nohash: Fix build break with 64K pages from Michael Ellerman

* tag 'powerpc-4.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/nohash: Fix build break with 64K pages
  powerpc/mm/hash: Compute the segment size correctly for ISA 3.0
  powerpc/mm/radix: Fix always false comparison against MMU_NO_CONTEXT
  of: fix autoloading due to broken modalias with no 'compatible'
  powerpc/pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET since POWER8NVL was added
  powerpc/pseries: Fix PCI config address for DDW
  powerpc/ptrace: Fix out of bounds array access warning

arch/powerpc/include/asm/nohash/64/pgalloc.h

@@ -172,7 +172,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
 
 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
-	pte_fragment_fre((unsigned long *)pte, 1);
+	pte_fragment_free((unsigned long *)pte, 1);
 }
 
 static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)

arch/powerpc/kernel/prom_init.c

@@ -719,7 +719,7 @@ unsigned char ibm_architecture_vec[] = {
 	 * must match by the macro below. Update the definition if
 	 * the structure layout changes.
 	 */
-#define IBM_ARCH_VEC_NRCORES_OFFSET	125
+#define IBM_ARCH_VEC_NRCORES_OFFSET	133
 	W(NR_CPUS),			/* number of cores supported */
 	0,
 	0,

arch/powerpc/kernel/ptrace.c

@@ -377,7 +377,7 @@ static int fpr_get(struct task_struct *target, const struct user_regset *regset,
 
 #else
 	BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) !=
-		     offsetof(struct thread_fp_state, fpr[32][0]));
+		     offsetof(struct thread_fp_state, fpr[32]));
 
 	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
 				   &target->thread.fp_state, 0, -1);
@@ -405,7 +405,7 @@ static int fpr_set(struct task_struct *target, const struct user_regset *regset,
 	return 0;
 #else
 	BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) !=
-		     offsetof(struct thread_fp_state, fpr[32][0]));
+		     offsetof(struct thread_fp_state, fpr[32]));
 
 	return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
 				  &target->thread.fp_state, 0, -1);

arch/powerpc/mm/hash_native_64.c

@@ -550,7 +550,11 @@ static void hpte_decode(struct hash_pte *hpte, unsigned long slot,
 		}
 	}
 	/* This works for all page sizes, and for 256M and 1T segments */
-	*ssize = hpte_v >> HPTE_V_SSIZE_SHIFT;
+	if (cpu_has_feature(CPU_FTR_ARCH_300))
+		*ssize = hpte_r >> HPTE_R_3_0_SSIZE_SHIFT;
+	else
+		*ssize = hpte_v >> HPTE_V_SSIZE_SHIFT;
+
 	shift = mmu_psize_defs[size].shift;
 
 	avpn = (HPTE_V_AVPN_VAL(hpte_v) & ~mmu_psize_defs[size].avpnm);

arch/powerpc/mm/tlb-radix.c

@@ -117,7 +117,7 @@ static inline void _tlbie_va(unsigned long va, unsigned long pid,
  */
 void radix__local_flush_tlb_mm(struct mm_struct *mm)
 {
-	unsigned int pid;
+	unsigned long pid;
 
 	preempt_disable();
 	pid = mm->context.id;
@@ -130,7 +130,7 @@ EXPORT_SYMBOL(radix__local_flush_tlb_mm);
 void radix___local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
 			    unsigned long ap, int nid)
 {
-	unsigned int pid;
+	unsigned long pid;
 
 	preempt_disable();
 	pid = mm ? mm->context.id : 0;
@@ -160,7 +160,7 @@ static int mm_is_core_local(struct mm_struct *mm)
 
 void radix__flush_tlb_mm(struct mm_struct *mm)
 {
-	unsigned int pid;
+	unsigned long pid;
 
 	preempt_disable();
 	pid = mm->context.id;
@@ -185,7 +185,7 @@ EXPORT_SYMBOL(radix__flush_tlb_mm);
 void radix___flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
 		       unsigned long ap, int nid)
 {
-	unsigned int pid;
+	unsigned long pid;
 
 	preempt_disable();
 	pid = mm ? mm->context.id : 0;

arch/powerpc/platforms/pseries/iommu.c

@@ -927,7 +927,7 @@ static int query_ddw(struct pci_dev *dev, const u32 *ddw_avail,
 	dn = pci_device_to_OF_node(dev);
 	pdn = PCI_DN(dn);
 	buid = pdn->phb->buid;
-	cfg_addr = (pdn->busno << 8) | pdn->devfn;
+	cfg_addr = ((pdn->busno << 16) | (pdn->devfn << 8));
 
 	ret = rtas_call(ddw_avail[0], 3, 5, (u32 *)query,
 		  cfg_addr, BUID_HI(buid), BUID_LO(buid));
@@ -956,7 +956,7 @@ static int create_ddw(struct pci_dev *dev, const u32 *ddw_avail,
 	dn = pci_device_to_OF_node(dev);
 	pdn = PCI_DN(dn);
 	buid = pdn->phb->buid;
-	cfg_addr = (pdn->busno << 8) | pdn->devfn;
+	cfg_addr = ((pdn->busno << 16) | (pdn->devfn << 8));
 
 	do {
 		/* extra outputs are LIOBN and dma-addr (hi, lo) */

scripts/mod/file2alias.c

@@ -384,7 +384,7 @@ static void do_of_entry_multi(void *symval, struct module *mod)
 	len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*",
 		      (*type)[0] ? *type : "*");
 
-	if (compatible[0])
+	if ((*compatible)[0])
 		sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "",
 			*compatible);