Okay,
"current" is a macro on i386 that expands to "get_current()". This gets the
task_struct for the task currently running on the CPU executing the code.
It does this by masking out the bottom bits of its kernel stack pointer.
For example, assuming that some running process has the following
Blesson Paul Wrote:
> Thanks for the reply. I am sorry that I misspelled the
> line(__asm__()). It is from the get_current() function in
> asm-i386/current.h. But I am not clear what is the whole meaning of that
> line(__asm__(..)) in get_current(). I am doing a project in L
Hi David
Thanks for the reply. I am sorry that I misspelled the
line(__asm__()). It is from the get_current() function in
asm-i386/current.h. But I am not clear what is the whole meaning of that
line(__asm__(..)) in get_current(). I am doing a project in Linux related to
VFS
> __asm__("and 1 %%esp.%0; ":"=r" (current) : "0" (~8191UL));
This doesn't look right... Where did you get this from.
Taking the one in include/asm-i386/current.h as an example:
| __asm__(
This signifies a piece of inline assembly that the compiler must insert into
it's output code. The __asm
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