X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fmm%2Fslb_low.S;h=bc44dc4b5c67f4dfe1efb0247b60b4b7493a3945;hb=cec08e7a948326b01555be6311480aa08e637de2;hp=657f6b37e9df58892fe4ece4a2a02eef51fe7d44;hpb=08fcf1d61193d7b7779aa6d7388535e26e064a0b;p=deliverable%2Flinux.git

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