Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Fix build with SPARSEMEM_VMEMMAP disabled.
  [SPARC]: Make gettimeofday() monotonic again.

2 files changed, 13 insertions, 2 deletions

diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 45cb7c5286d7..00b393c3a4a0 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -436,7 +436,14 @@ void __init time_init(void)
 
 static inline unsigned long do_gettimeoffset(void)
 {
-        return (*master_l10_counter >> 10) & 0x1fffff;
+        unsigned long val = *master_l10_counter;
+        unsigned long usec = (val >> 10) & 0x1fffff;
+
+        /* Limit hit?  */
+        if (val & 0x80000000)
+                usec += 1000000 / HZ;
+
+        return usec;
 }
 
 /* Ok, my cute asm atomicity trick doesn't work anymore.
diff --git a/arch/sparc64/kernel/ktlb.S b/arch/sparc64/kernel/ktlb.S
index 964527d2ffa0..cef8defcd7a9 100644
--- a/arch/sparc64/kernel/ktlb.S
+++ b/arch/sparc64/kernel/ktlb.S
@@ -1,6 +1,6 @@
 /* arch/sparc64/kernel/ktlb.S: Kernel mapping TLB miss handling.
  *
- * Copyright (C) 1995, 1997, 2005 David S. Miller <davem@davemloft.net>
+ * Copyright (C) 1995, 1997, 2005, 2008 David S. Miller <davem@davemloft.net>
  * Copyright (C) 1996 Eddie C. Dost        (ecd@brainaid.de)
  * Copyright (C) 1996 Miguel de Icaza      (miguel@nuclecu.unam.mx)
  * Copyright (C) 1996,98,99 Jakub Jelinek  (jj@sunsite.mff.cuni.cz)
@@ -226,6 +226,7 @@ kvmap_dtlb_load:
         ba,pt           %xcc, sun4v_dtlb_load
          mov            %g5, %g3
 
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
 kvmap_vmemmap:
         sub             %g4, %g5, %g5
         srlx            %g5, 22, %g5
@@ -234,6 +235,7 @@ kvmap_vmemmap:
         or              %g1, %lo(vmemmap_table), %g1
         ba,pt           %xcc, kvmap_dtlb_load
          ldx            [%g1 + %g5], %g5
+#endif
 
 kvmap_dtlb_nonlinear:
         /* Catch kernel NULL pointer derefs.  */
@@ -242,12 +244,14 @@ kvmap_dtlb_nonlinear:
         bleu,pn         %xcc, kvmap_dtlb_longpath
          nop
 
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
         /* Do not use the TSB for vmemmap.  */
         mov             (VMEMMAP_BASE >> 24), %g5
         sllx            %g5, 24, %g5
         cmp             %g4,%g5
         bgeu,pn         %xcc, kvmap_vmemmap
          nop
+#endif
 
         KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_dtlb_load)