[PATCH v7] PCI: Xilinx-NWL-PCIe: Added support for Xilinx NWL PCIe Host Controller

[Marc Zyngier]

On 04/11/15 07:54, Bharat Kumar Gogada wrote:
>>> Without #ifdefs if we compile driver for legacy, MSI structures will not be
>> available and we get compile time error.
>>
>> Sorry for nitpicking but at least can we use elegant version of #ifdefs .i.e. #if
>> IS_ENABLED() here ?
>>
> Since IS_ENABLED() is checked at runtime, compile time error would come for legacy.

You're seriously misguided. IS_ENABLED() is specifically designed *not*
to be checked at runtime, but instead to use the compiler optimization
phase to get rid of code sections at compile time.

	M.
-- 
Jazz is not dead. It just smells funny...