On 06/06/2016 10:40 AM, Greg KH wrote:
On Mon, Jun 06, 2016 at 10:22:46AM -0700, hch wrote:
Later on, we will wrap all these shifts in BIT() macros as Greg suggested.
Big NAK to any use of that macro.
That's odd, given that most of the kernel has already converted to use
it. You can try to keep it out of this subsystem, but you will get
patches to convert it from random people and it will wear you down over
time...
Hello Greg,
It is considered a bad programming practice to introduce macros that
obfuscate C operations. All the BIT() macro does is a shift operation.
Writing the shift explicitly instead of using the BIT() macro makes
source code easier to read. So why has the BIT() macro ever been introduced?
Thanks,
Bart.
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