Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

Pull sparc updates from David Miller:

 1) Add a proper .exit.data section.

 2) Fix ipc64_perm type definition, from Arnd Bergmann.

 3) Support folded p4d page tables on sparc64, from Mike Rapport.

 4) Remove uses of struct timex, also from Arnd Bergmann.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  y2038: sparc: remove use of struct timex
  sparc64: add support for folded p4d page tables
  sparc/console: kill off obsolete declarations
  sparc32: fix struct ipc64_perm type definition
  sparc32, leon: Stop adding vendor and device id to prom ambapp path components
  sparc: Add .exit.data section.
  sparc: remove unneeded uapi/asm/statfs.h

4 files changed, 26 insertions, 33 deletions

diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index 9d3e5cc95bbb..264e76ceccf6 100644
--- a/arch/sparc/include/asm/pgalloc_64.h
+++ b/arch/sparc/include/asm/pgalloc_64.h
@@ -16,12 +16,12 @@
 
 extern struct kmem_cache *pgtable_cache;
 
-static inline void __pgd_populate(pgd_t *pgd, pud_t *pud)
+static inline void __p4d_populate(p4d_t *p4d, pud_t *pud)
 {
-	pgd_set(pgd, pud);
+	p4d_set(p4d, pud);
 }
 
-#define pgd_populate(MM, PGD, PUD)	__pgd_populate(PGD, PUD)
+#define p4d_populate(MM, P4D, PUD)	__p4d_populate(P4D, PUD)
 
 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
 {
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 6ae8016ef4ec..34ff3b43afbb 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -13,7 +13,7 @@
  * the SpitFire page tables.
  */
 
-#include <asm-generic/5level-fixup.h>
+#include <asm-generic/pgtable-nop4d.h>
 #include <linux/compiler.h>
 #include <linux/const.h>
 #include <asm/types.h>
@@ -810,9 +810,9 @@ static inline int pmd_present(pmd_t pmd)
 
 #define pud_bad(pud)			(pud_val(pud) & ~PAGE_MASK)
 
-#define pgd_none(pgd)			(!pgd_val(pgd))
+#define p4d_none(p4d)			(!p4d_val(p4d))
 
-#define pgd_bad(pgd)			(pgd_val(pgd) & ~PAGE_MASK)
+#define p4d_bad(p4d)			(p4d_val(p4d) & ~PAGE_MASK)
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 void set_pmd_at(struct mm_struct *mm, unsigned long addr,
@@ -859,13 +859,13 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
 #define pmd_clear(pmdp)			(pmd_val(*(pmdp)) = 0UL)
 #define pud_present(pud)		(pud_val(pud) != 0U)
 #define pud_clear(pudp)			(pud_val(*(pudp)) = 0UL)
-#define pgd_page_vaddr(pgd)		\
-	((unsigned long) __va(pgd_val(pgd)))
-#define pgd_present(pgd)		(pgd_val(pgd) != 0U)
-#define pgd_clear(pgdp)			(pgd_val(*(pgdp)) = 0UL)
+#define p4d_page_vaddr(p4d)		\
+	((unsigned long) __va(p4d_val(p4d)))
+#define p4d_present(p4d)		(p4d_val(p4d) != 0U)
+#define p4d_clear(p4dp)			(p4d_val(*(p4dp)) = 0UL)
 
 /* only used by the stubbed out hugetlb gup code, should never be called */
-#define pgd_page(pgd)			NULL
+#define p4d_page(p4d)			NULL
 
 static inline unsigned long pud_large(pud_t pud)
 {
@@ -884,8 +884,8 @@ static inline unsigned long pud_pfn(pud_t pud)
 /* Same in both SUN4V and SUN4U.  */
 #define pte_none(pte) 			(!pte_val(pte))
 
-#define pgd_set(pgdp, pudp)	\
-	(pgd_val(*(pgdp)) = (__pa((unsigned long) (pudp))))
+#define p4d_set(p4dp, pudp)	\
+	(p4d_val(*(p4dp)) = (__pa((unsigned long) (pudp))))
 
 /* to find an entry in a page-table-directory. */
 #define pgd_index(address)	(((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1))
@@ -896,8 +896,8 @@ static inline unsigned long pud_pfn(pud_t pud)
 
 /* Find an entry in the third-level page table.. */
 #define pud_index(address)	(((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))
-#define pud_offset(pgdp, address)	\
-	((pud_t *) pgd_page_vaddr(*(pgdp)) + pud_index(address))
+#define pud_offset(p4dp, address)	\
+	((pud_t *) p4d_page_vaddr(*(p4dp)) + pud_index(address))
 
 /* Find an entry in the second-level page table.. */
 #define pmd_offset(pudp, address)	\
diff --git a/arch/sparc/include/uapi/asm/ipcbuf.h b/arch/sparc/include/uapi/asm/ipcbuf.h
index 5b933a598a33..0ea1240d2ea1 100644
--- a/arch/sparc/include/uapi/asm/ipcbuf.h
+++ b/arch/sparc/include/uapi/asm/ipcbuf.h
@@ -17,19 +17,19 @@
 
 struct ipc64_perm
 {
-	__kernel_key_t	key;
-	__kernel_uid_t	uid;
-	__kernel_gid_t	gid;
-	__kernel_uid_t	cuid;
-	__kernel_gid_t	cgid;
+	__kernel_key_t		key;
+	__kernel_uid32_t	uid;
+	__kernel_gid32_t	gid;
+	__kernel_uid32_t	cuid;
+	__kernel_gid32_t	cgid;
 #ifndef __arch64__
-	unsigned short	__pad0;
+	unsigned short		__pad0;
 #endif
-	__kernel_mode_t	mode;
-	unsigned short	__pad1;
-	unsigned short	seq;
-	unsigned long long __unused1;
-	unsigned long long __unused2;
+	__kernel_mode_t		mode;
+	unsigned short		__pad1;
+	unsigned short		seq;
+	unsigned long long	__unused1;
+	unsigned long long	__unused2;
 };
 
 #endif /* __SPARC_IPCBUF_H */
diff --git a/arch/sparc/include/uapi/asm/statfs.h b/arch/sparc/include/uapi/asm/statfs.h
deleted file mode 100644
index 20c8f5bd340e..000000000000
--- a/arch/sparc/include/uapi/asm/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef ___ASM_SPARC_STATFS_H
-#define ___ASM_SPARC_STATFS_H
-
-#include <asm-generic/statfs.h>
-
-#endif