Re: [uml-devel] Question about trap handling in UML kernel

2007-04-11 Thread Jeff Dike
On Wed, Apr 11, 2007 at 07:10:36PM -0700, Haifeng He wrote: > I have a question about trap handling in UML kernel, particularly in the > skas0 mode. > My understanding is that, UML will fork a kernel thread for each user > process UML will fork a host process for each UML address space. > and >

[uml-devel] Question about trap handling in UML kernel

2007-04-11 Thread Haifeng He
Hi, All I have a question about trap handling in UML kernel, particularly in the skas0 mode. My understanding is that, UML will fork a kernel thread for each user process and this thread will go to a loop (in userspace()) and wait for signal from user process using ptrace. If a signal occurs, it