Re: boot Linux from Linux

on-the-top of existing Linux Operating System? Then you should take a look at virtualization. -- Dinesh Bansal The Law of Win says, Let's not do it your way or my way; let's do it the best way.

Re: Not able to ping two ethernet interfaces connected using cross cable in same PC.

not able to ping anyone of those interfaces using ping command. Can anyone give some inputs on this? Thanks, Bhavesh. use netmask as 255.255.255.254 at both place. -- Dinesh Bansal The Law of Win says, Let's not do it your way or my way; let's do it the best way.

Re: Why two stacks per process?

loads and unloads the process specific data. We cannot use single stack because memory is accessed in a different way in user mode and in kernel mode. And in some systems, even the memory area is different for kernel and user processes. -- Dinesh Bansal The Law of Win says, Let's not do it your way

Re: why do we use while (0)

to execute more than once? Cannot we simply do - #define INIT_LIST_HEAD(ptr){(ptr)-next = (ptr); (ptr)-prev = (ptr)} Do we get some kind of optimization by using while (0)? Thanks -- Dinesh Bansal The Law of Win says, Let's not do it your way or my way; let's do it the best way.