x86/kernel/process_64.c

166 	unsigned long gsbase;
194 		gsbase = rdgsbase();
198 		rdmsrl(MSR_KERNEL_GS_BASE, gsbase);
202 	return gsbase;
213 static noinstr void __wrgsbase_inactive(unsigned long gsbase)
220 		wrgsbase(gsbase);
224 		wrmsrl(MSR_KERNEL_GS_BASE, gsbase);
270 			prev_p->thread.gsbase = 0;
285 		task->thread.gsbase = __rdgsbase_inactive();
293  * While a process is running,current->thread.fsbase and current->thread.gsbase
403 		__wrgsbase_inactive(next->gsbase);
407 		load_seg_legacy(prev->gsindex, prev->gsbase,
408 				next->gsindex, next->gsbase, GS);
457 	unsigned long gsbase;
463 		gsbase = __rdgsbase_inactive();
466 		rdmsrl(MSR_KERNEL_GS_BASE, gsbase);
469 	return gsbase;
472 void x86_gsbase_write_cpu_inactive(unsigned long gsbase)
478 		__wrgsbase_inactive(gsbase);
481 		wrmsrl(MSR_KERNEL_GS_BASE, gsbase);
502 	unsigned long gsbase;
505 		gsbase = x86_gsbase_read_cpu_inactive();
508 		gsbase = task->thread.gsbase;
510 		gsbase = x86_fsgsbase_read_task(task, task->thread.gsindex);
512 	return gsbase;
522 void x86_gsbase_write_task(struct task_struct *task, unsigned long gsbase)
526 	task->thread.gsbase = gsbase;
865 			 * that we also fill in thread.gsbase.
867 			task->thread.gsbase = arg2;