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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:27:45 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:27:45 +0200
commitd939d2851fd12568e2eabb2916769e8a57ba5c89 (patch)
treef3158a5ddd41541a61126f9e48de1ce89c632f64 /arch/powerpc/mm/slb_low.S
parent9f5314fb4d556d3132c784d0df47352b2830ca53 (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/irqtip-x86-irq-2008-06-16_09.27_Mon
Diffstat (limited to 'arch/powerpc/mm/slb_low.S')
-rw-r--r--arch/powerpc/mm/slb_low.S16
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index 657f6b37e9df..bc44dc4b5c67 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -47,8 +47,7 @@ _GLOBAL(slb_allocate_realmode)
* it to VSID 0, which is reserved as a bad VSID - one which
* will never have any pages in it. */
- /* Check if hitting the linear mapping of the vmalloc/ioremap
- * kernel space
+ /* Check if hitting the linear mapping or some other kernel space
*/
bne cr7,1f
@@ -62,7 +61,18 @@ BEGIN_FTR_SECTION
END_FTR_SECTION_IFCLR(CPU_FTR_1T_SEGMENT)
b slb_finish_load_1T
-1: /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
+1:
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+ /* Check virtual memmap region. To be patches at kernel boot */
+ cmpldi cr0,r9,0xf
+ bne 1f
+_GLOBAL(slb_miss_kernel_load_vmemmap)
+ li r11,0
+ b 6f
+1:
+#endif /* CONFIG_SPARSEMEM_VMEMMAP */
+
+ /* vmalloc/ioremap mapping encoding bits, the "li" instructions below
* will be patched by the kernel at boot
*/
BEGIN_FTR_SECTION