Do you mean process with PID 0 is the one, which runs in the background and serves the request from userland and goes to cpu_idle() if nothing to run. -kapil On Tue, Feb 19, 2013 at 11:23 AM, Sengottuvelan S <sengottuvelan.s@gmail.com
wrote:
Kapil
It runs as Background process in the kernel memory (init-process). When system calls is coming from User space/Land, there will be context switch from user to kernel space happens. I think kernel main thread serving those system calls.
On Mon, Feb 18, 2013 at 9:20 PM, kapil agrawal <kapil.agrawal81@gmail.com>wrote:
Hi,
How the linux kernel runs in the system after spawning the init and mounting the root FS. Does it run as some background process ? How it serves the system calls etc. ?
Regards Kapil
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-- Regards, S. Sengottuvelan.