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2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777 
 kernel/arch/x86/include/asm/paravirt.h
....@@ -17,16 +17,84 @@
1717 #include <linux/cpumask.h>
1818 #include <asm/frame.h>
1919 
20
+static inline unsigned long long paravirt_sched_clock(void)
21
+{
22
+	return PVOP_CALL0(unsigned long long, time.sched_clock);
23
+}
24
+
25
+struct static_key;
26
+extern struct static_key paravirt_steal_enabled;
27
+extern struct static_key paravirt_steal_rq_enabled;
28
+
29
+__visible void __native_queued_spin_unlock(struct qspinlock *lock);
30
+bool pv_is_native_spin_unlock(void);
31
+__visible bool __native_vcpu_is_preempted(long cpu);
32
+bool pv_is_native_vcpu_is_preempted(void);
33
+
34
+static inline u64 paravirt_steal_clock(int cpu)
35
+{
36
+	return PVOP_CALL1(u64, time.steal_clock, cpu);
37
+}
38
+
39
+/* The paravirtualized I/O functions */
40
+static inline void slow_down_io(void)
41
+{
42
+	pv_ops.cpu.io_delay();
43
+#ifdef REALLY_SLOW_IO
44
+	pv_ops.cpu.io_delay();
45
+	pv_ops.cpu.io_delay();
46
+	pv_ops.cpu.io_delay();
47
+#endif
48
+}
49
+
50
+void native_flush_tlb_local(void);
51
+void native_flush_tlb_global(void);
52
+void native_flush_tlb_one_user(unsigned long addr);
53
+void native_flush_tlb_others(const struct cpumask *cpumask,
54
+			     const struct flush_tlb_info *info);
55
+
56
+static inline void __flush_tlb_local(void)
57
+{
58
+	PVOP_VCALL0(mmu.flush_tlb_user);
59
+}
60
+
61
+static inline void __flush_tlb_global(void)
62
+{
63
+	PVOP_VCALL0(mmu.flush_tlb_kernel);
64
+}
65
+
66
+static inline void __flush_tlb_one_user(unsigned long addr)
67
+{
68
+	PVOP_VCALL1(mmu.flush_tlb_one_user, addr);
69
+}
70
+
71
+static inline void __flush_tlb_others(const struct cpumask *cpumask,
72
+				      const struct flush_tlb_info *info)
73
+{
74
+	PVOP_VCALL2(mmu.flush_tlb_others, cpumask, info);
75
+}
76
+
77
+static inline void paravirt_tlb_remove_table(struct mmu_gather *tlb, void *table)
78
+{
79
+	PVOP_VCALL2(mmu.tlb_remove_table, tlb, table);
80
+}
81
+
82
+static inline void paravirt_arch_exit_mmap(struct mm_struct *mm)
83
+{
84
+	PVOP_VCALL1(mmu.exit_mmap, mm);
85
+}
86
+
87
+#ifdef CONFIG_PARAVIRT_XXL
2088 static inline void load_sp0(unsigned long sp0)
2189 {
22
-	PVOP_VCALL1(pv_cpu_ops.load_sp0, sp0);
90
+	PVOP_VCALL1(cpu.load_sp0, sp0);
2391 }
2492 
2593 /* The paravirtualized CPUID instruction. */
2694 static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
2795 			   unsigned int *ecx, unsigned int *edx)
2896 {
29
-	PVOP_VCALL4(pv_cpu_ops.cpuid, eax, ebx, ecx, edx);
97
+	PVOP_VCALL4(cpu.cpuid, eax, ebx, ecx, edx);
3098 }
3199 
32100 /*
....@@ -34,98 +102,84 @@
34102  */
35103 static inline unsigned long paravirt_get_debugreg(int reg)
36104 {
37
-	return PVOP_CALL1(unsigned long, pv_cpu_ops.get_debugreg, reg);
105
+	return PVOP_CALL1(unsigned long, cpu.get_debugreg, reg);
38106 }
39107 #define get_debugreg(var, reg) var = paravirt_get_debugreg(reg)
40108 static inline void set_debugreg(unsigned long val, int reg)
41109 {
42
-	PVOP_VCALL2(pv_cpu_ops.set_debugreg, reg, val);
110
+	PVOP_VCALL2(cpu.set_debugreg, reg, val);
43111 }
44112 
45113 static inline unsigned long read_cr0(void)
46114 {
47
-	return PVOP_CALL0(unsigned long, pv_cpu_ops.read_cr0);
115
+	return PVOP_CALL0(unsigned long, cpu.read_cr0);
48116 }
49117 
50118 static inline void write_cr0(unsigned long x)
51119 {
52
-	PVOP_VCALL1(pv_cpu_ops.write_cr0, x);
120
+	PVOP_VCALL1(cpu.write_cr0, x);
53121 }
54122 
55123 static inline unsigned long read_cr2(void)
56124 {
57
-	return PVOP_CALL0(unsigned long, pv_mmu_ops.read_cr2);
125
+	return PVOP_CALLEE0(unsigned long, mmu.read_cr2);
58126 }
59127 
60128 static inline void write_cr2(unsigned long x)
61129 {
62
-	PVOP_VCALL1(pv_mmu_ops.write_cr2, x);
130
+	PVOP_VCALL1(mmu.write_cr2, x);
63131 }
64132 
65133 static inline unsigned long __read_cr3(void)
66134 {
67
-	return PVOP_CALL0(unsigned long, pv_mmu_ops.read_cr3);
135
+	return PVOP_CALL0(unsigned long, mmu.read_cr3);
68136 }
69137 
70138 static inline void write_cr3(unsigned long x)
71139 {
72
-	PVOP_VCALL1(pv_mmu_ops.write_cr3, x);
140
+	PVOP_VCALL1(mmu.write_cr3, x);
73141 }
74142 
75143 static inline void __write_cr4(unsigned long x)
76144 {
77
-	PVOP_VCALL1(pv_cpu_ops.write_cr4, x);
145
+	PVOP_VCALL1(cpu.write_cr4, x);
78146 }
79
-
80
-#ifdef CONFIG_X86_64
81
-static inline unsigned long read_cr8(void)
82
-{
83
-	return PVOP_CALL0(unsigned long, pv_cpu_ops.read_cr8);
84
-}
85
-
86
-static inline void write_cr8(unsigned long x)
87
-{
88
-	PVOP_VCALL1(pv_cpu_ops.write_cr8, x);
89
-}
90
-#endif
91147 
92148 static inline void arch_safe_halt(void)
93149 {
94
-	PVOP_VCALL0(pv_irq_ops.safe_halt);
150
+	PVOP_VCALL0(irq.safe_halt);
95151 }
96152 
97153 static inline void halt(void)
98154 {
99
-	PVOP_VCALL0(pv_irq_ops.halt);
155
+	PVOP_VCALL0(irq.halt);
100156 }
101157 
102158 static inline void wbinvd(void)
103159 {
104
-	PVOP_VCALL0(pv_cpu_ops.wbinvd);
160
+	PVOP_VCALL0(cpu.wbinvd);
105161 }
106
-
107
-#define get_kernel_rpl()  (pv_info.kernel_rpl)
108162 
109163 static inline u64 paravirt_read_msr(unsigned msr)
110164 {
111
-	return PVOP_CALL1(u64, pv_cpu_ops.read_msr, msr);
165
+	return PVOP_CALL1(u64, cpu.read_msr, msr);
112166 }
113167 
114168 static inline void paravirt_write_msr(unsigned msr,
115169 				      unsigned low, unsigned high)
116170 {
117
-	PVOP_VCALL3(pv_cpu_ops.write_msr, msr, low, high);
171
+	PVOP_VCALL3(cpu.write_msr, msr, low, high);
118172 }
119173 
120174 static inline u64 paravirt_read_msr_safe(unsigned msr, int *err)
121175 {
122
-	return PVOP_CALL2(u64, pv_cpu_ops.read_msr_safe, msr, err);
176
+	return PVOP_CALL2(u64, cpu.read_msr_safe, msr, err);
123177 }
124178 
125179 static inline int paravirt_write_msr_safe(unsigned msr,
126180 					  unsigned low, unsigned high)
127181 {
128
-	return PVOP_CALL3(int, pv_cpu_ops.write_msr_safe, msr, low, high);
182
+	return PVOP_CALL3(int, cpu.write_msr_safe, msr, low, high);
129183 }
130184 
131185 #define rdmsr(msr, val1, val2)			\
....@@ -170,23 +224,9 @@
170224 	return err;
171225 }
172226 
173
-static inline unsigned long long paravirt_sched_clock(void)
174
-{
175
-	return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock);
176
-}
177
-
178
-struct static_key;
179
-extern struct static_key paravirt_steal_enabled;
180
-extern struct static_key paravirt_steal_rq_enabled;
181
-
182
-static inline u64 paravirt_steal_clock(int cpu)
183
-{
184
-	return PVOP_CALL1(u64, pv_time_ops.steal_clock, cpu);
185
-}
186
-
187227 static inline unsigned long long paravirt_read_pmc(int counter)
188228 {
189
-	return PVOP_CALL1(u64, pv_cpu_ops.read_pmc, counter);
229
+	return PVOP_CALL1(u64, cpu.read_pmc, counter);
190230 }
191231 
192232 #define rdpmc(counter, low, high)		\
....@@ -200,382 +240,241 @@
200240 
201241 static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries)
202242 {
203
-	PVOP_VCALL2(pv_cpu_ops.alloc_ldt, ldt, entries);
243
+	PVOP_VCALL2(cpu.alloc_ldt, ldt, entries);
204244 }
205245 
206246 static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries)
207247 {
208
-	PVOP_VCALL2(pv_cpu_ops.free_ldt, ldt, entries);
248
+	PVOP_VCALL2(cpu.free_ldt, ldt, entries);
209249 }
210250 
211251 static inline void load_TR_desc(void)
212252 {
213
-	PVOP_VCALL0(pv_cpu_ops.load_tr_desc);
253
+	PVOP_VCALL0(cpu.load_tr_desc);
214254 }
215255 static inline void load_gdt(const struct desc_ptr *dtr)
216256 {
217
-	PVOP_VCALL1(pv_cpu_ops.load_gdt, dtr);
257
+	PVOP_VCALL1(cpu.load_gdt, dtr);
218258 }
219259 static inline void load_idt(const struct desc_ptr *dtr)
220260 {
221
-	PVOP_VCALL1(pv_cpu_ops.load_idt, dtr);
261
+	PVOP_VCALL1(cpu.load_idt, dtr);
222262 }
223263 static inline void set_ldt(const void *addr, unsigned entries)
224264 {
225
-	PVOP_VCALL2(pv_cpu_ops.set_ldt, addr, entries);
265
+	PVOP_VCALL2(cpu.set_ldt, addr, entries);
226266 }
227267 static inline unsigned long paravirt_store_tr(void)
228268 {
229
-	return PVOP_CALL0(unsigned long, pv_cpu_ops.store_tr);
269
+	return PVOP_CALL0(unsigned long, cpu.store_tr);
230270 }
271
+
231272 #define store_tr(tr)	((tr) = paravirt_store_tr())
232273 static inline void load_TLS(struct thread_struct *t, unsigned cpu)
233274 {
234
-	PVOP_VCALL2(pv_cpu_ops.load_tls, t, cpu);
275
+	PVOP_VCALL2(cpu.load_tls, t, cpu);
235276 }
236277 
237
-#ifdef CONFIG_X86_64
238278 static inline void load_gs_index(unsigned int gs)
239279 {
240
-	PVOP_VCALL1(pv_cpu_ops.load_gs_index, gs);
280
+	PVOP_VCALL1(cpu.load_gs_index, gs);
241281 }
242
-#endif
243282 
244283 static inline void write_ldt_entry(struct desc_struct *dt, int entry,
245284 				   const void *desc)
246285 {
247
-	PVOP_VCALL3(pv_cpu_ops.write_ldt_entry, dt, entry, desc);
286
+	PVOP_VCALL3(cpu.write_ldt_entry, dt, entry, desc);
248287 }
249288 
250289 static inline void write_gdt_entry(struct desc_struct *dt, int entry,
251290 				   void *desc, int type)
252291 {
253
-	PVOP_VCALL4(pv_cpu_ops.write_gdt_entry, dt, entry, desc, type);
292
+	PVOP_VCALL4(cpu.write_gdt_entry, dt, entry, desc, type);
254293 }
255294 
256295 static inline void write_idt_entry(gate_desc *dt, int entry, const gate_desc *g)
257296 {
258
-	PVOP_VCALL3(pv_cpu_ops.write_idt_entry, dt, entry, g);
259
-}
260
-static inline void set_iopl_mask(unsigned mask)
261
-{
262
-	PVOP_VCALL1(pv_cpu_ops.set_iopl_mask, mask);
297
+	PVOP_VCALL3(cpu.write_idt_entry, dt, entry, g);
263298 }
264299 
265
-/* The paravirtualized I/O functions */
266
-static inline void slow_down_io(void)
300
+#ifdef CONFIG_X86_IOPL_IOPERM
301
+static inline void tss_invalidate_io_bitmap(void)
267302 {
268
-	pv_cpu_ops.io_delay();
269
-#ifdef REALLY_SLOW_IO
270
-	pv_cpu_ops.io_delay();
271
-	pv_cpu_ops.io_delay();
272
-	pv_cpu_ops.io_delay();
273
-#endif
303
+	PVOP_VCALL0(cpu.invalidate_io_bitmap);
274304 }
305
+
306
+static inline void tss_update_io_bitmap(void)
307
+{
308
+	PVOP_VCALL0(cpu.update_io_bitmap);
309
+}
310
+#endif
275311 
276312 static inline void paravirt_activate_mm(struct mm_struct *prev,
277313 					struct mm_struct *next)
278314 {
279
-	PVOP_VCALL2(pv_mmu_ops.activate_mm, prev, next);
315
+	PVOP_VCALL2(mmu.activate_mm, prev, next);
280316 }
281317 
282318 static inline void paravirt_arch_dup_mmap(struct mm_struct *oldmm,
283319 					  struct mm_struct *mm)
284320 {
285
-	PVOP_VCALL2(pv_mmu_ops.dup_mmap, oldmm, mm);
286
-}
287
-
288
-static inline void paravirt_arch_exit_mmap(struct mm_struct *mm)
289
-{
290
-	PVOP_VCALL1(pv_mmu_ops.exit_mmap, mm);
291
-}
292
-
293
-static inline void __flush_tlb(void)
294
-{
295
-	PVOP_VCALL0(pv_mmu_ops.flush_tlb_user);
296
-}
297
-static inline void __flush_tlb_global(void)
298
-{
299
-	PVOP_VCALL0(pv_mmu_ops.flush_tlb_kernel);
300
-}
301
-static inline void __flush_tlb_one_user(unsigned long addr)
302
-{
303
-	PVOP_VCALL1(pv_mmu_ops.flush_tlb_one_user, addr);
304
-}
305
-
306
-static inline void flush_tlb_others(const struct cpumask *cpumask,
307
-				    const struct flush_tlb_info *info)
308
-{
309
-	PVOP_VCALL2(pv_mmu_ops.flush_tlb_others, cpumask, info);
310
-}
311
-
312
-static inline void paravirt_tlb_remove_table(struct mmu_gather *tlb, void *table)
313
-{
314
-	PVOP_VCALL2(pv_mmu_ops.tlb_remove_table, tlb, table);
321
+	PVOP_VCALL2(mmu.dup_mmap, oldmm, mm);
315322 }
316323 
317324 static inline int paravirt_pgd_alloc(struct mm_struct *mm)
318325 {
319
-	return PVOP_CALL1(int, pv_mmu_ops.pgd_alloc, mm);
326
+	return PVOP_CALL1(int, mmu.pgd_alloc, mm);
320327 }
321328 
322329 static inline void paravirt_pgd_free(struct mm_struct *mm, pgd_t *pgd)
323330 {
324
-	PVOP_VCALL2(pv_mmu_ops.pgd_free, mm, pgd);
331
+	PVOP_VCALL2(mmu.pgd_free, mm, pgd);
325332 }
326333 
327334 static inline void paravirt_alloc_pte(struct mm_struct *mm, unsigned long pfn)
328335 {
329
-	PVOP_VCALL2(pv_mmu_ops.alloc_pte, mm, pfn);
336
+	PVOP_VCALL2(mmu.alloc_pte, mm, pfn);
330337 }
331338 static inline void paravirt_release_pte(unsigned long pfn)
332339 {
333
-	PVOP_VCALL1(pv_mmu_ops.release_pte, pfn);
340
+	PVOP_VCALL1(mmu.release_pte, pfn);
334341 }
335342 
336343 static inline void paravirt_alloc_pmd(struct mm_struct *mm, unsigned long pfn)
337344 {
338
-	PVOP_VCALL2(pv_mmu_ops.alloc_pmd, mm, pfn);
345
+	PVOP_VCALL2(mmu.alloc_pmd, mm, pfn);
339346 }
340347 
341348 static inline void paravirt_release_pmd(unsigned long pfn)
342349 {
343
-	PVOP_VCALL1(pv_mmu_ops.release_pmd, pfn);
350
+	PVOP_VCALL1(mmu.release_pmd, pfn);
344351 }
345352 
346353 static inline void paravirt_alloc_pud(struct mm_struct *mm, unsigned long pfn)
347354 {
348
-	PVOP_VCALL2(pv_mmu_ops.alloc_pud, mm, pfn);
355
+	PVOP_VCALL2(mmu.alloc_pud, mm, pfn);
349356 }
350357 static inline void paravirt_release_pud(unsigned long pfn)
351358 {
352
-	PVOP_VCALL1(pv_mmu_ops.release_pud, pfn);
359
+	PVOP_VCALL1(mmu.release_pud, pfn);
353360 }
354361 
355362 static inline void paravirt_alloc_p4d(struct mm_struct *mm, unsigned long pfn)
356363 {
357
-	PVOP_VCALL2(pv_mmu_ops.alloc_p4d, mm, pfn);
364
+	PVOP_VCALL2(mmu.alloc_p4d, mm, pfn);
358365 }
359366 
360367 static inline void paravirt_release_p4d(unsigned long pfn)
361368 {
362
-	PVOP_VCALL1(pv_mmu_ops.release_p4d, pfn);
369
+	PVOP_VCALL1(mmu.release_p4d, pfn);
363370 }
364371 
365372 static inline pte_t __pte(pteval_t val)
366373 {
367
-	pteval_t ret;
368
-
369
-	if (sizeof(pteval_t) > sizeof(long))
370
-		ret = PVOP_CALLEE2(pteval_t,
371
-				   pv_mmu_ops.make_pte,
372
-				   val, (u64)val >> 32);
373
-	else
374
-		ret = PVOP_CALLEE1(pteval_t,
375
-				   pv_mmu_ops.make_pte,
376
-				   val);
377
-
378
-	return (pte_t) { .pte = ret };
374
+	return (pte_t) { PVOP_CALLEE1(pteval_t, mmu.make_pte, val) };
379375 }
380376 
381377 static inline pteval_t pte_val(pte_t pte)
382378 {
383
-	pteval_t ret;
384
-
385
-	if (sizeof(pteval_t) > sizeof(long))
386
-		ret = PVOP_CALLEE2(pteval_t, pv_mmu_ops.pte_val,
387
-				   pte.pte, (u64)pte.pte >> 32);
388
-	else
389
-		ret = PVOP_CALLEE1(pteval_t, pv_mmu_ops.pte_val,
390
-				   pte.pte);
391
-
392
-	return ret;
379
+	return PVOP_CALLEE1(pteval_t, mmu.pte_val, pte.pte);
393380 }
394381 
395382 static inline pgd_t __pgd(pgdval_t val)
396383 {
397
-	pgdval_t ret;
398
-
399
-	if (sizeof(pgdval_t) > sizeof(long))
400
-		ret = PVOP_CALLEE2(pgdval_t, pv_mmu_ops.make_pgd,
401
-				   val, (u64)val >> 32);
402
-	else
403
-		ret = PVOP_CALLEE1(pgdval_t, pv_mmu_ops.make_pgd,
404
-				   val);
405
-
406
-	return (pgd_t) { ret };
384
+	return (pgd_t) { PVOP_CALLEE1(pgdval_t, mmu.make_pgd, val) };
407385 }
408386 
409387 static inline pgdval_t pgd_val(pgd_t pgd)
410388 {
411
-	pgdval_t ret;
412
-
413
-	if (sizeof(pgdval_t) > sizeof(long))
414
-		ret =  PVOP_CALLEE2(pgdval_t, pv_mmu_ops.pgd_val,
415
-				    pgd.pgd, (u64)pgd.pgd >> 32);
416
-	else
417
-		ret =  PVOP_CALLEE1(pgdval_t, pv_mmu_ops.pgd_val,
418
-				    pgd.pgd);
419
-
420
-	return ret;
389
+	return PVOP_CALLEE1(pgdval_t, mmu.pgd_val, pgd.pgd);
421390 }
422391 
423392 #define  __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION
424
-static inline pte_t ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr,
393
+static inline pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr,
425394 					   pte_t *ptep)
426395 {
427396 	pteval_t ret;
428397 
429
-	ret = PVOP_CALL3(pteval_t, pv_mmu_ops.ptep_modify_prot_start,
430
-			 mm, addr, ptep);
398
+	ret = PVOP_CALL3(pteval_t, mmu.ptep_modify_prot_start, vma, addr, ptep);
431399 
432400 	return (pte_t) { .pte = ret };
433401 }
434402 
435
-static inline void ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
436
-					   pte_t *ptep, pte_t pte)
403
+static inline void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr,
404
+					   pte_t *ptep, pte_t old_pte, pte_t pte)
437405 {
438
-	if (sizeof(pteval_t) > sizeof(long))
439
-		/* 5 arg words */
440
-		pv_mmu_ops.ptep_modify_prot_commit(mm, addr, ptep, pte);
441
-	else
442
-		PVOP_VCALL4(pv_mmu_ops.ptep_modify_prot_commit,
443
-			    mm, addr, ptep, pte.pte);
406
+
407
+	PVOP_VCALL4(mmu.ptep_modify_prot_commit, vma, addr, ptep, pte.pte);
444408 }
445409 
446410 static inline void set_pte(pte_t *ptep, pte_t pte)
447411 {
448
-	if (sizeof(pteval_t) > sizeof(long))
449
-		PVOP_VCALL3(pv_mmu_ops.set_pte, ptep,
450
-			    pte.pte, (u64)pte.pte >> 32);
451
-	else
452
-		PVOP_VCALL2(pv_mmu_ops.set_pte, ptep,
453
-			    pte.pte);
454
-}
455
-
456
-static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
457
-			      pte_t *ptep, pte_t pte)
458
-{
459
-	if (sizeof(pteval_t) > sizeof(long))
460
-		/* 5 arg words */
461
-		pv_mmu_ops.set_pte_at(mm, addr, ptep, pte);
462
-	else
463
-		PVOP_VCALL4(pv_mmu_ops.set_pte_at, mm, addr, ptep, pte.pte);
412
+	PVOP_VCALL2(mmu.set_pte, ptep, pte.pte);
464413 }
465414 
466415 static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
467416 {
468
-	pmdval_t val = native_pmd_val(pmd);
469
-
470
-	if (sizeof(pmdval_t) > sizeof(long))
471
-		PVOP_VCALL3(pv_mmu_ops.set_pmd, pmdp, val, (u64)val >> 32);
472
-	else
473
-		PVOP_VCALL2(pv_mmu_ops.set_pmd, pmdp, val);
417
+	PVOP_VCALL2(mmu.set_pmd, pmdp, native_pmd_val(pmd));
474418 }
475419 
476
-#if CONFIG_PGTABLE_LEVELS >= 3
477420 static inline pmd_t __pmd(pmdval_t val)
478421 {
479
-	pmdval_t ret;
480
-
481
-	if (sizeof(pmdval_t) > sizeof(long))
482
-		ret = PVOP_CALLEE2(pmdval_t, pv_mmu_ops.make_pmd,
483
-				   val, (u64)val >> 32);
484
-	else
485
-		ret = PVOP_CALLEE1(pmdval_t, pv_mmu_ops.make_pmd,
486
-				   val);
487
-
488
-	return (pmd_t) { ret };
422
+	return (pmd_t) { PVOP_CALLEE1(pmdval_t, mmu.make_pmd, val) };
489423 }
490424 
491425 static inline pmdval_t pmd_val(pmd_t pmd)
492426 {
493
-	pmdval_t ret;
494
-
495
-	if (sizeof(pmdval_t) > sizeof(long))
496
-		ret =  PVOP_CALLEE2(pmdval_t, pv_mmu_ops.pmd_val,
497
-				    pmd.pmd, (u64)pmd.pmd >> 32);
498
-	else
499
-		ret =  PVOP_CALLEE1(pmdval_t, pv_mmu_ops.pmd_val,
500
-				    pmd.pmd);
501
-
502
-	return ret;
427
+	return PVOP_CALLEE1(pmdval_t, mmu.pmd_val, pmd.pmd);
503428 }
504429 
505430 static inline void set_pud(pud_t *pudp, pud_t pud)
506431 {
507
-	pudval_t val = native_pud_val(pud);
508
-
509
-	if (sizeof(pudval_t) > sizeof(long))
510
-		PVOP_VCALL3(pv_mmu_ops.set_pud, pudp,
511
-			    val, (u64)val >> 32);
512
-	else
513
-		PVOP_VCALL2(pv_mmu_ops.set_pud, pudp,
514
-			    val);
432
+	PVOP_VCALL2(mmu.set_pud, pudp, native_pud_val(pud));
515433 }
516
-#if CONFIG_PGTABLE_LEVELS >= 4
434
+
517435 static inline pud_t __pud(pudval_t val)
518436 {
519437 	pudval_t ret;
520438 
521
-	if (sizeof(pudval_t) > sizeof(long))
522
-		ret = PVOP_CALLEE2(pudval_t, pv_mmu_ops.make_pud,
523
-				   val, (u64)val >> 32);
524
-	else
525
-		ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops.make_pud,
526
-				   val);
439
+	ret = PVOP_CALLEE1(pudval_t, mmu.make_pud, val);
527440 
528441 	return (pud_t) { ret };
529442 }
530443 
531444 static inline pudval_t pud_val(pud_t pud)
532445 {
533
-	pudval_t ret;
534
-
535
-	if (sizeof(pudval_t) > sizeof(long))
536
-		ret =  PVOP_CALLEE2(pudval_t, pv_mmu_ops.pud_val,
537
-				    pud.pud, (u64)pud.pud >> 32);
538
-	else
539
-		ret =  PVOP_CALLEE1(pudval_t, pv_mmu_ops.pud_val,
540
-				    pud.pud);
541
-
542
-	return ret;
446
+	return PVOP_CALLEE1(pudval_t, mmu.pud_val, pud.pud);
543447 }
544448 
545449 static inline void pud_clear(pud_t *pudp)
546450 {
547
-	set_pud(pudp, __pud(0));
451
+	set_pud(pudp, native_make_pud(0));
548452 }
549453 
550454 static inline void set_p4d(p4d_t *p4dp, p4d_t p4d)
551455 {
552456 	p4dval_t val = native_p4d_val(p4d);
553457 
554
-	if (sizeof(p4dval_t) > sizeof(long))
555
-		PVOP_VCALL3(pv_mmu_ops.set_p4d, p4dp,
556
-			    val, (u64)val >> 32);
557
-	else
558
-		PVOP_VCALL2(pv_mmu_ops.set_p4d, p4dp,
559
-			    val);
458
+	PVOP_VCALL2(mmu.set_p4d, p4dp, val);
560459 }
561460 
562461 #if CONFIG_PGTABLE_LEVELS >= 5
563462 
564463 static inline p4d_t __p4d(p4dval_t val)
565464 {
566
-	p4dval_t ret = PVOP_CALLEE1(p4dval_t, pv_mmu_ops.make_p4d, val);
465
+	p4dval_t ret = PVOP_CALLEE1(p4dval_t, mmu.make_p4d, val);
567466 
568467 	return (p4d_t) { ret };
569468 }
570469 
571470 static inline p4dval_t p4d_val(p4d_t p4d)
572471 {
573
-	return PVOP_CALLEE1(p4dval_t, pv_mmu_ops.p4d_val, p4d.p4d);
472
+	return PVOP_CALLEE1(p4dval_t, mmu.p4d_val, p4d.p4d);
574473 }
575474 
576475 static inline void __set_pgd(pgd_t *pgdp, pgd_t pgd)
577476 {
578
-	PVOP_VCALL2(pv_mmu_ops.set_pgd, pgdp, native_pgd_val(pgd));
477
+	PVOP_VCALL2(mmu.set_pgd, pgdp, native_pgd_val(pgd));
579478 }
580479 
581480 #define set_pgd(pgdp, pgdval) do {					\
....@@ -586,41 +485,17 @@
586485 } while (0)
587486 
588487 #define pgd_clear(pgdp) do {						\
589
-	if (pgtable_l5_enabled())						\
590
-		set_pgd(pgdp, __pgd(0));				\
488
+	if (pgtable_l5_enabled())					\
489
+		set_pgd(pgdp, native_make_pgd(0));			\
591490 } while (0)
592491 
593492 #endif  /* CONFIG_PGTABLE_LEVELS == 5 */
594493 
595494 static inline void p4d_clear(p4d_t *p4dp)
596495 {
597
-	set_p4d(p4dp, __p4d(0));
496
+	set_p4d(p4dp, native_make_p4d(0));
598497 }
599498 
600
-#endif	/* CONFIG_PGTABLE_LEVELS == 4 */
601
-
602
-#endif	/* CONFIG_PGTABLE_LEVELS >= 3 */
603
-
604
-#ifdef CONFIG_X86_PAE
605
-/* Special-case pte-setting operations for PAE, which can't update a
606
-   64-bit pte atomically */
607
-static inline void set_pte_atomic(pte_t *ptep, pte_t pte)
608
-{
609
-	PVOP_VCALL3(pv_mmu_ops.set_pte_atomic, ptep,
610
-		    pte.pte, pte.pte >> 32);
611
-}
612
-
613
-static inline void pte_clear(struct mm_struct *mm, unsigned long addr,
614
-			     pte_t *ptep)
615
-{
616
-	PVOP_VCALL3(pv_mmu_ops.pte_clear, mm, addr, ptep);
617
-}
618
-
619
-static inline void pmd_clear(pmd_t *pmdp)
620
-{
621
-	PVOP_VCALL1(pv_mmu_ops.pmd_clear, pmdp);
622
-}
623
-#else  /* !CONFIG_X86_PAE */
624499 static inline void set_pte_atomic(pte_t *ptep, pte_t pte)
625500 {
626501 	set_pte(ptep, pte);
....@@ -629,89 +504,85 @@
629504 static inline void pte_clear(struct mm_struct *mm, unsigned long addr,
630505 			     pte_t *ptep)
631506 {
632
-	set_pte_at(mm, addr, ptep, __pte(0));
507
+	set_pte(ptep, native_make_pte(0));
633508 }
634509 
635510 static inline void pmd_clear(pmd_t *pmdp)
636511 {
637
-	set_pmd(pmdp, __pmd(0));
512
+	set_pmd(pmdp, native_make_pmd(0));
638513 }
639
-#endif	/* CONFIG_X86_PAE */
640514 
641515 #define  __HAVE_ARCH_START_CONTEXT_SWITCH
642516 static inline void arch_start_context_switch(struct task_struct *prev)
643517 {
644
-	PVOP_VCALL1(pv_cpu_ops.start_context_switch, prev);
518
+	PVOP_VCALL1(cpu.start_context_switch, prev);
645519 }
646520 
647521 static inline void arch_end_context_switch(struct task_struct *next)
648522 {
649
-	PVOP_VCALL1(pv_cpu_ops.end_context_switch, next);
523
+	PVOP_VCALL1(cpu.end_context_switch, next);
650524 }
651525 
652526 #define  __HAVE_ARCH_ENTER_LAZY_MMU_MODE
653527 static inline void arch_enter_lazy_mmu_mode(void)
654528 {
655
-	PVOP_VCALL0(pv_mmu_ops.lazy_mode.enter);
529
+	PVOP_VCALL0(mmu.lazy_mode.enter);
656530 }
657531 
658532 static inline void arch_leave_lazy_mmu_mode(void)
659533 {
660
-	PVOP_VCALL0(pv_mmu_ops.lazy_mode.leave);
534
+	PVOP_VCALL0(mmu.lazy_mode.leave);
661535 }
662536 
663537 static inline void arch_flush_lazy_mmu_mode(void)
664538 {
665
-	PVOP_VCALL0(pv_mmu_ops.lazy_mode.flush);
539
+	PVOP_VCALL0(mmu.lazy_mode.flush);
666540 }
667541 
668542 static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
669543 				phys_addr_t phys, pgprot_t flags)
670544 {
671
-	pv_mmu_ops.set_fixmap(idx, phys, flags);
545
+	pv_ops.mmu.set_fixmap(idx, phys, flags);
672546 }
547
+#endif
673548 
674549 #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
675550 
676551 static __always_inline void pv_queued_spin_lock_slowpath(struct qspinlock *lock,
677552 							u32 val)
678553 {
679
-	PVOP_VCALL2(pv_lock_ops.queued_spin_lock_slowpath, lock, val);
554
+	PVOP_VCALL2(lock.queued_spin_lock_slowpath, lock, val);
680555 }
681556 
682557 static __always_inline void pv_queued_spin_unlock(struct qspinlock *lock)
683558 {
684
-	PVOP_VCALLEE1(pv_lock_ops.queued_spin_unlock, lock);
559
+	PVOP_VCALLEE1(lock.queued_spin_unlock, lock);
685560 }
686561 
687562 static __always_inline void pv_wait(u8 *ptr, u8 val)
688563 {
689
-	PVOP_VCALL2(pv_lock_ops.wait, ptr, val);
564
+	PVOP_VCALL2(lock.wait, ptr, val);
690565 }
691566 
692567 static __always_inline void pv_kick(int cpu)
693568 {
694
-	PVOP_VCALL1(pv_lock_ops.kick, cpu);
569
+	PVOP_VCALL1(lock.kick, cpu);
695570 }
696571 
697572 static __always_inline bool pv_vcpu_is_preempted(long cpu)
698573 {
699
-	return PVOP_CALLEE1(bool, pv_lock_ops.vcpu_is_preempted, cpu);
574
+	return PVOP_CALLEE1(bool, lock.vcpu_is_preempted, cpu);
700575 }
576
+
577
+void __raw_callee_save___native_queued_spin_unlock(struct qspinlock *lock);
578
+bool __raw_callee_save___native_vcpu_is_preempted(long cpu);
701579 
702580 #endif /* SMP && PARAVIRT_SPINLOCKS */
703581 
704582 #ifdef CONFIG_X86_32
705
-#define PV_SAVE_REGS "pushl %ecx; pushl %edx;"
706
-#define PV_RESTORE_REGS "popl %edx; popl %ecx;"
707
-
708583 /* save and restore all caller-save registers, except return value */
709584 #define PV_SAVE_ALL_CALLER_REGS		"pushl %ecx;"
710585 #define PV_RESTORE_ALL_CALLER_REGS	"popl  %ecx;"
711
-
712
-#define PV_FLAGS_ARG "0"
713
-#define PV_EXTRA_CLOBBERS
714
-#define PV_VEXTRA_CLOBBERS
715586 #else
716587 /* save and restore all caller-save registers, except return value */
717588 #define PV_SAVE_ALL_CALLER_REGS						\
....@@ -732,14 +603,6 @@
732603 	"pop %rsi;"							\
733604 	"pop %rdx;"							\
734605 	"pop %rcx;"
735
-
736
-/* We save some registers, but all of them, that's too much. We clobber all
737
- * caller saved registers but the argument parameter */
738
-#define PV_SAVE_REGS "pushq %%rdi;"
739
-#define PV_RESTORE_REGS "popq %%rdi;"
740
-#define PV_EXTRA_CLOBBERS EXTRA_CLOBBERS, "rcx" , "rdx", "rsi"
741
-#define PV_VEXTRA_CLOBBERS EXTRA_CLOBBERS, "rdi", "rcx" , "rdx", "rsi"
742
-#define PV_FLAGS_ARG "D"
743606 #endif
744607 
745608 /*
....@@ -767,7 +630,7 @@
767630 	    "call " #func ";"						\
768631 	    PV_RESTORE_ALL_CALLER_REGS					\
769632 	    FRAME_END							\
770
-	    "ret;"							\
633
+	    ASM_RET							\
771634 	    ".size " PV_THUNK_NAME(func) ", .-" PV_THUNK_NAME(func) ";"	\
772635 	    ".popsection")
773636 
....@@ -779,24 +642,25 @@
779642 #define __PV_IS_CALLEE_SAVE(func)			\
780643 	((struct paravirt_callee_save) { func })
781644 
645
+#ifdef CONFIG_PARAVIRT_XXL
782646 static inline notrace unsigned long arch_local_save_flags(void)
783647 {
784
-	return PVOP_CALLEE0(unsigned long, pv_irq_ops.save_fl);
648
+	return PVOP_CALLEE0(unsigned long, irq.save_fl);
785649 }
786650 
787651 static inline notrace void arch_local_irq_restore(unsigned long f)
788652 {
789
-	PVOP_VCALLEE1(pv_irq_ops.restore_fl, f);
653
+	PVOP_VCALLEE1(irq.restore_fl, f);
790654 }
791655 
792656 static inline notrace void arch_local_irq_disable(void)
793657 {
794
-	PVOP_VCALLEE0(pv_irq_ops.irq_disable);
658
+	PVOP_VCALLEE0(irq.irq_disable);
795659 }
796660 
797661 static inline notrace void arch_local_irq_enable(void)
798662 {
799
-	PVOP_VCALLEE0(pv_irq_ops.irq_enable);
663
+	PVOP_VCALLEE0(irq.irq_enable);
800664 }
801665 
802666 static inline notrace unsigned long arch_local_irq_save(void)
....@@ -807,6 +671,7 @@
807671 	arch_local_irq_disable();
808672 	return f;
809673 }
674
+#endif
810675 
811676 
812677 /* Make sure as little as possible of this mess escapes. */
....@@ -828,7 +693,7 @@
828693 
829694 #else  /* __ASSEMBLY__ */
830695 
831
-#define _PVSITE(ptype, clobbers, ops, word, algn)	\
696
+#define _PVSITE(ptype, ops, word, algn)		\
832697 771:;						\
833698 	ops;					\
834699 772:;						\
....@@ -837,7 +702,6 @@
837702 	 word 771b;				\
838703 	 .byte ptype;				\
839704 	 .byte 772b-771b;			\
840
-	 .short clobbers;			\
841705 	.popsection
842706 
843707 
....@@ -869,8 +733,8 @@
869733 	COND_POP(set, CLBR_RCX, rcx);		\
870734 	COND_POP(set, CLBR_RAX, rax)
871735 
872
-#define PARA_PATCH(struct, off)        ((PARAVIRT_PATCH_##struct + (off)) / 8)
873
-#define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .quad, 8)
736
+#define PARA_PATCH(off)		((off) / 8)
737
+#define PARA_SITE(ptype, ops)	_PVSITE(ptype, ops, .quad, 8)
874738 #define PARA_INDIRECT(addr)	*addr(%rip)
875739 #else
876740 #define PV_SAVE_REGS(set)			\
....@@ -884,92 +748,78 @@
884748 	COND_POP(set, CLBR_EDI, edi);		\
885749 	COND_POP(set, CLBR_EAX, eax)
886750 
887
-#define PARA_PATCH(struct, off)        ((PARAVIRT_PATCH_##struct + (off)) / 4)
888
-#define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4)
751
+#define PARA_PATCH(off)		((off) / 4)
752
+#define PARA_SITE(ptype, ops)	_PVSITE(ptype, ops, .long, 4)
889753 #define PARA_INDIRECT(addr)	*%cs:addr
890754 #endif
891755 
756
+#ifdef CONFIG_PARAVIRT_XXL
892757 #define INTERRUPT_RETURN						\
893
-	PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_iret), CLBR_NONE,	\
894
-		  ANNOTATE_RETPOLINE_SAFE;					\
895
-		  jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_iret);)
758
+	PARA_SITE(PARA_PATCH(PV_CPU_iret),				\
759
+		  ANNOTATE_RETPOLINE_SAFE;				\
760
+		  jmp PARA_INDIRECT(pv_ops+PV_CPU_iret);)
896761 
897762 #define DISABLE_INTERRUPTS(clobbers)					\
898
-	PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_irq_disable), clobbers, \
763
+	PARA_SITE(PARA_PATCH(PV_IRQ_irq_disable),			\
899764 		  PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE);		\
900
-		  ANNOTATE_RETPOLINE_SAFE;					\
901
-		  call PARA_INDIRECT(pv_irq_ops+PV_IRQ_irq_disable);	\
765
+		  ANNOTATE_RETPOLINE_SAFE;				\
766
+		  call PARA_INDIRECT(pv_ops+PV_IRQ_irq_disable);	\
902767 		  PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
903768 
904769 #define ENABLE_INTERRUPTS(clobbers)					\
905
-	PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_irq_enable), clobbers,	\
770
+	PARA_SITE(PARA_PATCH(PV_IRQ_irq_enable),			\
906771 		  PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE);		\
907
-		  ANNOTATE_RETPOLINE_SAFE;					\
908
-		  call PARA_INDIRECT(pv_irq_ops+PV_IRQ_irq_enable);	\
909
-		  PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
910
-
911
-#ifdef CONFIG_X86_32
912
-#define GET_CR0_INTO_EAX				\
913
-	push %ecx; push %edx;				\
914
-	ANNOTATE_RETPOLINE_SAFE;				\
915
-	call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0);	\
916
-	pop %edx; pop %ecx
917
-#else	/* !CONFIG_X86_32 */
918
-
919
-/*
920
- * If swapgs is used while the userspace stack is still current,
921
- * there's no way to call a pvop.  The PV replacement *must* be
922
- * inlined, or the swapgs instruction must be trapped and emulated.
923
- */
924
-#define SWAPGS_UNSAFE_STACK						\
925
-	PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_swapgs), CLBR_NONE,	\
926
-		  swapgs)
927
-
928
-/*
929
- * Note: swapgs is very special, and in practise is either going to be
930
- * implemented with a single "swapgs" instruction or something very
931
- * special.  Either way, we don't need to save any registers for
932
- * it.
933
- */
934
-#define SWAPGS								\
935
-	PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_swapgs), CLBR_NONE,	\
936
-		  ANNOTATE_RETPOLINE_SAFE;					\
937
-		  call PARA_INDIRECT(pv_cpu_ops+PV_CPU_swapgs);		\
938
-		 )
939
-
940
-#define GET_CR2_INTO_RAX				\
941
-	ANNOTATE_RETPOLINE_SAFE;				\
942
-	call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr2);
943
-
944
-#define USERGS_SYSRET64							\
945
-	PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_usergs_sysret64),	\
946
-		  CLBR_NONE,						\
947
-		  ANNOTATE_RETPOLINE_SAFE;					\
948
-		  jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_usergs_sysret64);)
949
-
950
-#ifdef CONFIG_DEBUG_ENTRY
951
-#define SAVE_FLAGS(clobbers)                                        \
952
-	PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_save_fl), clobbers, \
953
-		  PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE);        \
954
-		  ANNOTATE_RETPOLINE_SAFE;				    \
955
-		  call PARA_INDIRECT(pv_irq_ops+PV_IRQ_save_fl);    \
772
+		  ANNOTATE_RETPOLINE_SAFE;				\
773
+		  call PARA_INDIRECT(pv_ops+PV_IRQ_irq_enable);		\
956774 		  PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
957775 #endif
958776 
959
-#endif	/* CONFIG_X86_32 */
777
+#ifdef CONFIG_X86_64
778
+#ifdef CONFIG_PARAVIRT_XXL
779
+#define USERGS_SYSRET64							\
780
+	PARA_SITE(PARA_PATCH(PV_CPU_usergs_sysret64),			\
781
+		  ANNOTATE_RETPOLINE_SAFE;				\
782
+		  jmp PARA_INDIRECT(pv_ops+PV_CPU_usergs_sysret64);)
783
+
784
+#ifdef CONFIG_DEBUG_ENTRY
785
+#define SAVE_FLAGS(clobbers)                                        \
786
+	PARA_SITE(PARA_PATCH(PV_IRQ_save_fl),			    \
787
+		  PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE);        \
788
+		  ANNOTATE_RETPOLINE_SAFE;			    \
789
+		  call PARA_INDIRECT(pv_ops+PV_IRQ_save_fl);	    \
790
+		  PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
791
+#endif
792
+#endif /* CONFIG_PARAVIRT_XXL */
793
+#endif	/* CONFIG_X86_64 */
794
+
795
+#ifdef CONFIG_PARAVIRT_XXL
796
+
797
+#define GET_CR2_INTO_AX							\
798
+	PARA_SITE(PARA_PATCH(PV_MMU_read_cr2),				\
799
+		  ANNOTATE_RETPOLINE_SAFE;				\
800
+		  call PARA_INDIRECT(pv_ops+PV_MMU_read_cr2);		\
801
+		 )
802
+
803
+#endif /* CONFIG_PARAVIRT_XXL */
804
+
960805 
961806 #endif /* __ASSEMBLY__ */
962807 #else  /* CONFIG_PARAVIRT */
963808 # define default_banner x86_init_noop
809
+#endif /* !CONFIG_PARAVIRT */
810
+
964811 #ifndef __ASSEMBLY__
812
+#ifndef CONFIG_PARAVIRT_XXL
965813 static inline void paravirt_arch_dup_mmap(struct mm_struct *oldmm,
966814 					  struct mm_struct *mm)
967815 {
968816 }
817
+#endif
969818 
819
+#ifndef CONFIG_PARAVIRT
970820 static inline void paravirt_arch_exit_mmap(struct mm_struct *mm)
971821 {
972822 }
823
+#endif
973824 #endif /* __ASSEMBLY__ */
974
-#endif /* !CONFIG_PARAVIRT */
975825 #endif /* _ASM_X86_PARAVIRT_H */