diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-01-24 10:07:21 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-01-24 10:07:21 +1100 |
| commit | 9156ad48338e0306e508ead5c0d9986050744475 (patch) | |
| tree | 37f3a90e38190052ecf3cdf9171dfdddd37b56fd /arch/sparc64/kernel/ktlb.S | |
| parent | fa28237cfcc5827553044cbd6ee52e33692b0faa (diff) | |
| parent | 8f7b3d156d348b6766833cd4e272d0d19b501e64 (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/sparc64/kernel/ktlb.S')
| -rw-r--r-- | arch/sparc64/kernel/ktlb.S | 6 |
1 files changed, 5 insertions, 1 deletions
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) |