Hi, all.
Kernel is composed of many processes like kthreadd, ksoftirqd, ...
so what is the process(task) of kernel which respond to the driver I/O
control which is called from user space app?
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hi,
2010/5/17 chungae9ri
> Hi, all.
> Kernel is composed of many processes like kthreadd, ksoftirqd, ...
> so what is the process(task) of kernel which respond to the driver I/O
> control which is called from user space app?
>
> That's a mistake concept.
User space App communicates with Kernel d
you can communicate from 'ANY' task in user side to kernel side (probably an
application talking to a driver), via ioctl calls..
PS.
in case of android apps,
android java app -> dalvik VM -(JNI)-> native library -(ioctl)-> kernel
component
On Thu, May 20, 2010 at 7:36 AM, xingchao wang wrote: