On Wed, 13 Aug 2008, Huang Ying wrote: > > - xchg(&kexec_lock, 0); > + locked = xchg(&kexec_lock, 0); > + BUG_ON(!locked);
Why do you want to do this at all?
And why do you implement your locks with xchg() in the first place? That's
total and utter crap.
Hint: we have _real_ locking primitives in the kernel.
Linus
_______________________________________________
kexec mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/kexec
