Re: [patch] spinlocks: remove 'volatile'

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxx> wrote:

> > [...] In fact, your spin-lock code already inserts "rep nops" and I 
> > never implied that they should be removed. I said only that "volatile" 
> > still needs to be used, not some macro that tells the compiler that 
> > everything in memory probably got trashed. [...]
> 
> your position here does seem to make much sense to me, so please help me 
                         ^--- not
> understand it. You suggest that the assembly code should be left alone. 
> But then why do you need the volatile keyword to begin with?
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