Interested to Buy Any Domain ? << Click Here >> for more details...
what are the different ways the Linux can swich from User
Space to Kernel Space & vice-versa ?
- 2 Answers
- 9672 Views
- NetApp, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / neo
There are 2 situations when Linux can switch from user Space
to Kernel Space:-
1) by doing System calls
2) When interrupt comes (to handle interrupt)
Linux can switch from kernel Space to User space:-
1) process in kernel mode is preempted.
2) After completion of Interrupt handler / System call
| Is This Answer Correct ? | 20 Yes | 1 No |
Answer / softy
There are 2 situations when Linux can switch from user Space
to Kernel Space:-
1) by doing System calls
2) When interrupt comes (to handle interrupt)
3) by executing 128 (0x80 ) instruction or doing sysenter
Linux can switch from kernel Space to User space:-
1) process in kernel mode is preempted.
2) After completion of Interrupt handler / System call
3) performing sysexit sys call
| Is This Answer Correct ? | 2 Yes | 0 No |
linux file defaults permition
what is nis server
Explain process management system calls in linux?
What do fork() internally call?
why the kernel panic error was appering?
what are Softirq's and how many major numbers be allocated in the linux kernel(2.4) ?
What is the Diffrent between Redhat linux And suse linux
what are the backup utilites on red hat linux 4.0?
I would like to know whether Simado and Setu products are they EPBX or not ?
how to create samba server in fedora linux 9 ?
What does exec family return?
what is iptabe on redhat linux?
Linux Commands 
