Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\process.c Create Date:2022-07-28 07:48:42
Last Modify:2020-03-16 17:03:44 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:enable_cpuid

Proto:static void enable_cpuid(void)

Type:void

Parameter:Nothing

274  Even if we don't have any preemption, we need preempt disable/enable* to be barriers, so that we don't have things like get_user/put_user* that can cause faults and scheduling migrate into our preempt-protected* region.()
275  If test_and_clear_thread_flag(CPUID is not accessible in userland ) Then
280  set_cpuid_faulting(false)
282  preempt_enable()
Caller
NameDescribe
set_cpuid_mode
arch_setup_new_execCalled immediately after a successful exec.