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Eugene has asked 6 questions and find answers to 29 problems.

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Eugene questions

Can ISRs migrate to other CPUs when preempted?
Is in_irq() reliable?
Concurrency in the Linux network drivers: probe() VS ndo_open(), ndo_start_xmit() VS NAPI poll()
Is there a way for a kernel module to find section addresses of another loaded module?
Is mov %esi, %esi a no-op or not on x86-64?
How to add a builtin function in a GCC plugin?

Eugene answers

Creating entry in /proc from LKM
Get a probed function's arguments in the entry_handler of a kretprobe
Advantage of kprobes over kretprobes
Why do kprobes disable preemption and when is it safe to reenable it?
How to add more than 4 serial tty devices in Linux?
splint vs gcc: are external static code analysis tools worth the effort for C codebases?
Access Linux kernel symbols that are not exported via EXPORT_SYMBOL*
what is __ksymtab? in linux kernel
debug kernel module (memory corruption_
Where is eax in the pt_regs struct? Only ax is present