Does the value of HPPIR affected by the running priority of CPU?

I want to understand the usage of the HPPIR register (Highest Priority Pending Interrupt Register) better. To my understanding, HPPIR is supposed to report the value of the currently pending interrupt...
Does the value of HPPIR affected by the running priority of CPU?

I want to understand the usage of the HPPIR register (Highest Priority Pending Interrupt Register) better. To my understanding, HPPIR is supposed to report the value of the currently pending interrupt...
Driver overhead is affected by CPU frame rate

Recently, it was discovered that when we adjust the CPU frame rate from 20 to 30, the driver overhead will increase, from about 20ms to more than 30ms, and the swapbuffer time has not changed. What is...
Driver overhead is affected by CPU frame rate

Recently, it was discovered that when we adjust the CPU frame rate from 20 to 30, the driver overhead will increase, from about 20ms to more than 30ms, and the swapbuffer time has not changed. What is...
How do the TLB maintenance instructions affect other offline CPU cores disabled by CPU Hotplug in the kernel

Hi, I'm a beginner in ARM architecture. 1) A re some TLBI instructions that can clean TLB entry for the Outer Shareable domain valid for other CPU cores that are offline? For example, if I make a...