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Thread: doubt regarding system call
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- Join Date
- Mar 2010
doubt regarding system call
My problem is i want to find a fast way to switch from user mode to kernel mode. I read about the sysenter instructions on the net. I want to know a method to find whether my OS uses sysenter or software interrupt method (int 0x80). Can anybody please help me in finding this? Also i would really appreciate if you can suggest any other fast way to change from user to kernel mode... Thank you...