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-rw-r--r--arch/powerpc/mm/slb.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
index cf8705e32d60..89497fb04280 100644
--- a/arch/powerpc/mm/slb.c
+++ b/arch/powerpc/mm/slb.c
@@ -28,7 +28,7 @@
28#include <asm/udbg.h> 28#include <asm/udbg.h>
29 29
30#ifdef DEBUG 30#ifdef DEBUG
31#define DBG(fmt...) udbg_printf(fmt) 31#define DBG(fmt...) printk(fmt)
32#else 32#else
33#define DBG pr_debug 33#define DBG pr_debug
34#endif 34#endif
@@ -263,13 +263,19 @@ void slb_initialize(void)
263 extern unsigned int *slb_miss_kernel_load_linear; 263 extern unsigned int *slb_miss_kernel_load_linear;
264 extern unsigned int *slb_miss_kernel_load_io; 264 extern unsigned int *slb_miss_kernel_load_io;
265 extern unsigned int *slb_compare_rr_to_size; 265 extern unsigned int *slb_compare_rr_to_size;
266#ifdef CONFIG_SPARSEMEM_VMEMMAP
267 extern unsigned int *slb_miss_kernel_load_vmemmap;
268 unsigned long vmemmap_llp;
269#endif
266 270
267 /* Prepare our SLB miss handler based on our page size */ 271 /* Prepare our SLB miss handler based on our page size */
268 linear_llp = mmu_psize_defs[mmu_linear_psize].sllp; 272 linear_llp = mmu_psize_defs[mmu_linear_psize].sllp;
269 io_llp = mmu_psize_defs[mmu_io_psize].sllp; 273 io_llp = mmu_psize_defs[mmu_io_psize].sllp;
270 vmalloc_llp = mmu_psize_defs[mmu_vmalloc_psize].sllp; 274 vmalloc_llp = mmu_psize_defs[mmu_vmalloc_psize].sllp;
271 get_paca()->vmalloc_sllp = SLB_VSID_KERNEL | vmalloc_llp; 275 get_paca()->vmalloc_sllp = SLB_VSID_KERNEL | vmalloc_llp;
272 276#ifdef CONFIG_SPARSEMEM_VMEMMAP
277 vmemmap_llp = mmu_psize_defs[mmu_vmemmap_psize].sllp;
278#endif
273 if (!slb_encoding_inited) { 279 if (!slb_encoding_inited) {
274 slb_encoding_inited = 1; 280 slb_encoding_inited = 1;
275 patch_slb_encoding(slb_miss_kernel_load_linear, 281 patch_slb_encoding(slb_miss_kernel_load_linear,
@@ -281,6 +287,12 @@ void slb_initialize(void)
281 287
282 DBG("SLB: linear LLP = %04lx\n", linear_llp); 288 DBG("SLB: linear LLP = %04lx\n", linear_llp);
283 DBG("SLB: io LLP = %04lx\n", io_llp); 289 DBG("SLB: io LLP = %04lx\n", io_llp);
290
291#ifdef CONFIG_SPARSEMEM_VMEMMAP
292 patch_slb_encoding(slb_miss_kernel_load_vmemmap,
293 SLB_VSID_KERNEL | vmemmap_llp);
294 DBG("SLB: vmemmap LLP = %04lx\n", vmemmap_llp);
295#endif
284 } 296 }
285 297
286 get_paca()->stab_rr = SLB_NUM_BOLTED; 298 get_paca()->stab_rr = SLB_NUM_BOLTED;