On Wed, 17 Aug 2005 17:42:22 +0900 (JST)
Hiro Yoshioka <[email protected]> mentioned:
> > Just take a look at __switch_to(), where __unlazy_fpu() is called.
>
> Thanks. Does an exception handler (like page_fault, etc) come
> from __switch_to()?
No, page_fault is generated when the location of memory access(virtual)
does not have physical memory.
If you have a code like this,
movq (%%esi), %%mm0
a page of address %%esi might be swapped out already and might not
have any physical memory page allocated.
--
Akira Tsukamoto <[email protected], [email protected]>
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