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-rw-r--r--arch/powerpc/mm/stab.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c
index fa325dbf98fc..cfbb4e1f966b 100644
--- a/arch/powerpc/mm/stab.c
+++ b/arch/powerpc/mm/stab.c
@@ -20,6 +20,7 @@
20#include <asm/cputable.h> 20#include <asm/cputable.h>
21#include <asm/lmb.h> 21#include <asm/lmb.h>
22#include <asm/abs_addr.h> 22#include <asm/abs_addr.h>
23#include <asm/firmware.h>
23 24
24struct stab_entry { 25struct stab_entry {
25 unsigned long esid_data; 26 unsigned long esid_data;
@@ -256,7 +257,7 @@ void stabs_alloc(void)
256 257
257 paca[cpu].stab_addr = newstab; 258 paca[cpu].stab_addr = newstab;
258 paca[cpu].stab_real = virt_to_abs(newstab); 259 paca[cpu].stab_real = virt_to_abs(newstab);
259 printk(KERN_DEBUG "Segment table for CPU %d at 0x%lx " 260 printk(KERN_INFO "Segment table for CPU %d at 0x%lx "
260 "virtual, 0x%lx absolute\n", 261 "virtual, 0x%lx absolute\n",
261 cpu, paca[cpu].stab_addr, paca[cpu].stab_real); 262 cpu, paca[cpu].stab_addr, paca[cpu].stab_real);
262 } 263 }
@@ -270,10 +271,28 @@ void stabs_alloc(void)
270void stab_initialize(unsigned long stab) 271void stab_initialize(unsigned long stab)
271{ 272{
272 unsigned long vsid = get_kernel_vsid(KERNELBASE); 273 unsigned long vsid = get_kernel_vsid(KERNELBASE);
274 unsigned long stabreal;
273 275
274 asm volatile("isync; slbia; isync":::"memory"); 276 asm volatile("isync; slbia; isync":::"memory");
275 make_ste(stab, GET_ESID(KERNELBASE), vsid); 277 make_ste(stab, GET_ESID(KERNELBASE), vsid);
276 278
277 /* Order update */ 279 /* Order update */
278 asm volatile("sync":::"memory"); 280 asm volatile("sync":::"memory");
281
282 /* Set ASR */
283 stabreal = get_paca()->stab_real | 0x1ul;
284
285#ifdef CONFIG_PPC_ISERIES
286 if (firmware_has_feature(FW_FEATURE_ISERIES)) {
287 HvCall1(HvCallBaseSetASR, stabreal);
288 return;
289 }
290#endif /* CONFIG_PPC_ISERIES */
291#ifdef CONFIG_PPC_PSERIES
292 if (platform_is_lpar()) {
293 plpar_hcall_norets(H_SET_ASR, stabreal);
294 return;
295 }
296#endif
297 mtspr(SPRN_ASR, stabreal);
279} 298}