在抢占模式下，操作系统负责分配ＣＰＵ时间给各个进程，一旦当前的进程使用完分配给自己的ＣＰＵ时间，操...
irqs_disabled() check triggers on PREEMPT_RT even with i915_sched_engine::lock acquired. The reason is the lock is transformed into a sleeping lock on PREEMPT_RT and does not disable interrupts. There is no need to check for disabled interrupts. The lockdep annotation below already check if...
This work was funded through GitHub Sponsors. Trade-offs and Alternatives There's no FreeRTOS API to verify if interrupts are disabled, but the alternative would have been to track this manually as per the workaround commit#15846 (comment). However I think using the "proper" critical section ...
that my UHCI and EHCI ports that were most often disabled required use of IRQs 0x14 and 0x15. The HPET, however, requires four interrupts, even though only two are specified in the DSDT. 调查使用IORegistryExplorer的一点允许我推测是经常对IRQs 0x14的残疾必需的用途和0x15的我的UHCI和EHCI口岸...
figure out that my UHCI and EHCI ports that were most often disabled required use of IRQs 0x14 and 0x15. The HPET, however, requires four interrupts, even though only two are specified in the DSDT. 调查使用IORegistryExplorer允许我推测是经常对IRQs 0x14的残疾必需的用途和0x15的我的UHCI和EHCI...