39 static void msr_save_context(struct saved_context *ctxt)  in msr_save_context()  argument
41 	struct saved_msr *msr = ctxt->saved_msrs.array;  in msr_save_context()
42 	struct saved_msr *end = msr + ctxt->saved_msrs.num;  in msr_save_context()
51 static void msr_restore_context(struct saved_context *ctxt)  in msr_restore_context()  argument
53 	struct saved_msr *msr = ctxt->saved_msrs.array;  in msr_restore_context()
54 	struct saved_msr *end = msr + ctxt->saved_msrs.num;  in msr_restore_context()
79 static void __save_processor_state(struct saved_context *ctxt)  in __save_processor_state()  argument
89 	store_idt(&ctxt->idt);  in __save_processor_state()
97 	ctxt->gdt_desc.size = GDT_SIZE - 1;  in __save_processor_state()
98 	ctxt->gdt_desc.address = (unsigned long)get_cpu_gdt_rw(smp_processor_id());  in __save_processor_state()
100 	store_tr(ctxt->tr);  in __save_processor_state()
106 	savesegment(gs, ctxt->gs);  in __save_processor_state()
108 	savesegment(fs, ctxt->fs);  in __save_processor_state()
109 	savesegment(ds, ctxt->ds);  in __save_processor_state()
110 	savesegment(es, ctxt->es);  in __save_processor_state()
112 	rdmsrl(MSR_FS_BASE, ctxt->fs_base);  in __save_processor_state()
113 	rdmsrl(MSR_GS_BASE, ctxt->kernelmode_gs_base);  in __save_processor_state()
114 	rdmsrl(MSR_KERNEL_GS_BASE, ctxt->usermode_gs_base);  in __save_processor_state()
117 	rdmsrl(MSR_EFER, ctxt->efer);  in __save_processor_state()
123 	ctxt->cr0 = read_cr0();  in __save_processor_state()
124 	ctxt->cr2 = read_cr2();  in __save_processor_state()
125 	ctxt->cr3 = __read_cr3();  in __save_processor_state()
126 	ctxt->cr4 = __read_cr4();  in __save_processor_state()
127 	ctxt->misc_enable_saved = !rdmsrl_safe(MSR_IA32_MISC_ENABLE,  in __save_processor_state()
128 					       &ctxt->misc_enable);  in __save_processor_state()
129 	msr_save_context(ctxt);  in __save_processor_state()
195 static void notrace __restore_processor_state(struct saved_context *ctxt)  in __restore_processor_state()  argument
199 	if (ctxt->misc_enable_saved)  in __restore_processor_state()
200 		wrmsrl(MSR_IA32_MISC_ENABLE, ctxt->misc_enable);  in __restore_processor_state()
206 	if (ctxt->cr4)  in __restore_processor_state()
207 		__write_cr4(ctxt->cr4);  in __restore_processor_state()
210 	wrmsrl(MSR_EFER, ctxt->efer);  in __restore_processor_state()
211 	__write_cr4(ctxt->cr4);  in __restore_processor_state()
213 	write_cr3(ctxt->cr3);  in __restore_processor_state()
214 	write_cr2(ctxt->cr2);  in __restore_processor_state()
215 	write_cr0(ctxt->cr0);  in __restore_processor_state()
218 	load_idt(&ctxt->idt);  in __restore_processor_state()
233 	wrmsrl(MSR_GS_BASE, ctxt->kernelmode_gs_base);  in __restore_processor_state()
246 	loadsegment(ds, ctxt->es);  in __restore_processor_state()
247 	loadsegment(es, ctxt->es);  in __restore_processor_state()
248 	loadsegment(fs, ctxt->fs);  in __restore_processor_state()
249 	load_gs_index(ctxt->gs);  in __restore_processor_state()
256 	wrmsrl(MSR_FS_BASE, ctxt->fs_base);  in __restore_processor_state()
257 	wrmsrl(MSR_KERNEL_GS_BASE, ctxt->usermode_gs_base);  in __restore_processor_state()
259 	loadsegment(gs, ctxt->gs);  in __restore_processor_state()
278 	msr_restore_context(ctxt);  in __restore_processor_state()