Function report |
Source Code:arch\x86\kernel\cpu\resctrl\pseudo_lock.c |
Create Date:2022-07-28 08:13:56 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:pseudo_lock_fn - Load kernel memory into cache*@_rdtgrp: resource group to which pseudo-lock region belongs* This is the core pseudo-locking flow
Proto:static int pseudo_lock_fn(void *_rdtgrp)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
void * | _rdtgrp |
445 | native_wbinvd() |
451 | local_irq_disable() |
462 | __wrmsr(MSR_MISC_FEATURE_CONTROL, The bits needed to disable hardware prefetching varies based on the* platform. During initialization we will discover which bits to use., 0x0) |
463 | closid_p = Operations with implied preemption/interrupt protection. These* operations can be used without worrying about preemption or interrupt.(cur_closid) |
464 | rmid_p = Operations with implied preemption/interrupt protection. These* operations can be used without worrying about preemption or interrupt.(cur_rmid) |
474 | __wrmsr(IA32_PQR_ASSOC, rmid_p, closid) |
489 | rmb() |
490 | asm volatile |
500 | rmb() |
501 | asm volatile |
510 | __wrmsr(IA32_PQR_ASSOC, rmid_p, closid_p) |
513 | wrmsr(MSR_MISC_FEATURE_CONTROL, 0x0, 0x0) |
516 | thread_done = 1 |
517 | wake_up_interruptible( & lock_thread_wq) |
518 | Return 0 |
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