Re: [ANNOUNCE] Merkey's Kernel Debugger

[Peter Zijlstra]

On Thu, 2008-08-07 at 06:45 -0600, jmerkey@xxxxxxxxxxxxxxxxxxxxx wrote:

> Also, whoever wrote "/Documentation/volatiles_are_evil" must not have
> worked with the busted-ass GNU compiler that optimizes away global
> variables and busts SMP dependent code.  I am not going to remove the
> volatile declarations needed for SMP coordination in the debugger since
> the code breaks when removed.  GCC will cause massive breakage of SMP code
> if you do not declare certain variables as volatile.

Even with proper barrier() usage?


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