5 files changed, 6 insertions, 61 deletions

diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index ee5dcced2499..2feb15c35d9e 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -576,7 +576,7 @@ niagara_tlb_fixup:
 niagara4_patch:
         call    niagara4_patch_copyops
          nop
-        call    niagara_patch_bzero
+        call    niagara4_patch_bzero
          nop
         call    niagara4_patch_pageops
          nop
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index acc8c838ff72..75b31bcdeadf 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -779,7 +779,7 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev,
 static void __pci_mmap_set_flags(struct pci_dev *dev, struct vm_area_struct *vma,
                                             enum pci_mmap_state mmap_state)
 {
-        vma->vm_flags |= (VM_IO | VM_RESERVED);
+        vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
 }
 
 /* Set vm_page_prot of VMA, as appropriate for this architecture, for a pci
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index a53e0a5fd3a3..53e48f721ce3 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -54,58 +54,6 @@ struct signal_frame32 {
         /* __siginfo_rwin_t * */u32 rwin_save;
 } __attribute__((aligned(8)));
 
-typedef struct compat_siginfo{
-        int si_signo;
-        int si_errno;
-        int si_code;
-
-        union {
-                int _pad[SI_PAD_SIZE32];
-
-                /* kill() */
-                struct {
-                        compat_pid_t _pid;              /* sender's pid */
-                        unsigned int _uid;              /* sender's uid */
-                } _kill;
-
-                /* POSIX.1b timers */
-                struct {
-                        compat_timer_t _tid;                    /* timer id */
-                        int _overrun;                   /* overrun count */
-                        compat_sigval_t _sigval;                /* same as below */
-                        int _sys_private;               /* not to be passed to user */
-                } _timer;
-
-                /* POSIX.1b signals */
-                struct {
-                        compat_pid_t _pid;              /* sender's pid */
-                        unsigned int _uid;              /* sender's uid */
-                        compat_sigval_t _sigval;
-                } _rt;
-
-                /* SIGCHLD */
-                struct {
-                        compat_pid_t _pid;              /* which child */
-                        unsigned int _uid;              /* sender's uid */
-                        int _status;                    /* exit code */
-                        compat_clock_t _utime;
-                        compat_clock_t _stime;
-                } _sigchld;
-
-                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
-                struct {
-                        u32 _addr; /* faulting insn/memory ref. */
-                        int _trapno;
-                } _sigfault;
-
-                /* SIGPOLL */
-                struct {
-                        int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
-                        int _fd;
-                } _sigpoll;
-        } _sifields;
-}compat_siginfo_t;
-
 struct rt_signal_frame32 {
         struct sparc_stackf32   ss;
         compat_siginfo_t        info;
diff --git a/arch/sparc/kernel/sun4v_tlb_miss.S b/arch/sparc/kernel/sun4v_tlb_miss.S
index e1fbf8c75787..bde867fd71e8 100644
--- a/arch/sparc/kernel/sun4v_tlb_miss.S
+++ b/arch/sparc/kernel/sun4v_tlb_miss.S
@@ -176,7 +176,7 @@ sun4v_tsb_miss_common:
 
         sub     %g2, TRAP_PER_CPU_FAULT_INFO, %g2
 
-#ifdef CONFIG_HUGETLB_PAGE
+#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
         mov     SCRATCHPAD_UTSBREG2, %g5
         ldxa    [%g5] ASI_SCRATCHPAD, %g5
         cmp     %g5, -1
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S
index db15d123f054..d4bdc7a62375 100644
--- a/arch/sparc/kernel/tsb.S
+++ b/arch/sparc/kernel/tsb.S
@@ -49,7 +49,7 @@ tsb_miss_page_table_walk:
         /* Before committing to a full page table walk,
          * check the huge page TSB.
          */
-#ifdef CONFIG_HUGETLB_PAGE
+#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
 
 661:    ldx             [%g7 + TRAP_PER_CPU_TSB_HUGE], %g5
         nop
@@ -110,12 +110,9 @@ tsb_miss_page_table_walk:
 tsb_miss_page_table_walk_sun4v_fastpath:
         USER_PGTABLE_WALK_TL1(%g4, %g7, %g5, %g2, tsb_do_fault)
 
-        /* Load and check PTE.  */
-        ldxa            [%g5] ASI_PHYS_USE_EC, %g5
-        brgez,pn        %g5, tsb_do_fault
-         nop
+        /* Valid PTE is now in %g5.  */
 
-#ifdef CONFIG_HUGETLB_PAGE
+#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
 661:    sethi           %uhi(_PAGE_SZALL_4U), %g7
         sllx            %g7, 32, %g7
         .section        .sun4v_2insn_patch, "ax"