From mboxrd@z Thu Jan 1 00:00:00 1970 From: greg@kroah.com (Greg KH) Date: Mon, 16 Oct 2017 18:10:53 +0200 Subject: architecture conditional In-Reply-To: <20171016103717.GH16106@eros> References: <20171016103717.GH16106@eros> Message-ID: <20171016161053.GA28327@kroah.com> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Mon, Oct 16, 2017 at 09:37:17PM +1100, Tobin C. Harding wrote: > What is the correct way to write code that is conditionally compiled depending on 32/64 bit? Not to write code that is dependent on such a thing in the first place :) > I found > > CONFIG_X86_64 > CONFIG_64BIT > > Do we still support other word sizes? No, but those are not what you should be looking for, it all depends on the architecture and where in the kernel you need to do this (arch specific code, driver, kernel, networking, etc.) Any specific hints on why you think you need this? thanks, greg k-h