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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-01-15 08:07:03 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-01-15 08:07:03 -0800
commit8234b65afa92215ae0ed965811ac20c8b3a1806a (patch)
tree68b14dbbe0dadc81d4f3d6dec0ab675bf48e4994 /arch
parent612166c76d6bd1ccd2624a15586a92444d2c4c0e (diff)
parentbf4a7972d638741bbb0672653c1fa10e4480c385 (diff)
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.
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc/kernel/time.c9
-rw-r--r--arch/sparc64/kernel/ktlb.S6
2 files changed, 13 insertions, 2 deletions
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 45cb7c5286d..00b393c3a4a 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 964527d2ffa..cef8defcd7a 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)