aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/mm/slb_low.S
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-15 15:15:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-15 15:15:03 -0700
commit37a08b13eba6ce3b42df30b2a5ca3a9845f429ec (patch)
tree663ceaca23d3ca508994bf9e1e80873a5e091898 /arch/powerpc/mm/slb_low.S
parentbd72f85b9ad6cf41bc771de0cd27d892c41b4396 (diff)
parentb734dd5b5753c88c64bf56d4002d8ade7e88edec (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/pci: Fix MODPOST warning powerpc/oprofile: Add ppc750 CL as supported by oprofile powerpc: warning: allocated section `.data_nosave' not in segment powerpc/kgdb: Fix build failure caused by "kgdb.c: unused variable 'acc'" powerpc: Fix hypervisor TLB batching powerpc/mm: Fix hang accessing top of vmalloc space powerpc: Fix memory leak in axon_msi.c powerpc/pmac: Fix issues with sleep on some powerbooks powerpc64/ftrace: use PACA to retrieve TOC in mod_return_to_handler powerpc/ftrace: show real return addresses in modules
Diffstat (limited to 'arch/powerpc/mm/slb_low.S')
-rw-r--r--arch/powerpc/mm/slb_low.S10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index bc44dc4b5c6..95ce3558169 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -72,19 +72,17 @@ _GLOBAL(slb_miss_kernel_load_vmemmap)
1:
#endif /* CONFIG_SPARSEMEM_VMEMMAP */
- /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
- * will be patched by the kernel at boot
+ /* vmalloc mapping gets the encoding from the PACA as the mapping
+ * can be demoted from 64K -> 4K dynamically on some machines
*/
-BEGIN_FTR_SECTION
- /* check whether this is in vmalloc or ioremap space */
clrldi r11,r10,48
cmpldi r11,(VMALLOC_SIZE >> 28) - 1
bgt 5f
lhz r11,PACAVMALLOCSLLP(r13)
b 6f
5:
-END_FTR_SECTION_IFCLR(CPU_FTR_CI_LARGE_PAGE)
-_GLOBAL(slb_miss_kernel_load_io)
+ /* IO mapping */
+ _GLOBAL(slb_miss_kernel_load_io)
li r11,0
6:
BEGIN_FTR_SECTION