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authorThomas Gleixner <tglx@linutronix.de>2010-02-17 18:27:37 +0100
committerThomas Gleixner <tglx@linutronix.de>2010-02-17 18:28:05 +0100
commitb7e56edba4b02f2079042c326a8cd72a44635817 (patch)
treeb5042002e9747cd8fb1278d61f86d8b92a74c018 /arch/powerpc/mm/slb_low.S
parent13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff)
parentb0483e78e5c4c9871fc5541875b3bc006846d46b (diff)
Merge branch 'linus' into x86/mm
x86/mm is on 32-rc4 and missing the spinlock namespace changes which are needed for further commits into this topic. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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 bc44dc4b5c67..95ce35581696 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