On Thursday 28 September 2006 11:31, Bernd Schmidt wrote:
> >
> > That completely avoids all the problems you might hit with macro expansion,
> > while still compiling to the same code.
>
> The operand is an input, not an output.
ok, my fault.
> We want to restore the proper
> mask of enabled interrupts with the STI. That mask is in the global
> irq_flags variable (which probably ought to have a different name that
> doesn't invite clashes).
Shouldn't you just use a constant expression here? A global variable
for it sounds rather strange, especially since the local_irq_disable()
calls are sometimes nested, not to mention the problems you'd hit on
SMP?
Arnd <><
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