From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Berg Subject: Re: GCOV_PROFILE_ALL breaks BUILD_BUG_ON(!is_power_of_2(8)) Date: Fri, 14 Aug 2015 11:05:47 +0200 Message-ID: <1439543147.2091.11.camel@sipsolutions.net> References: <1439457109-21833-1-git-send-email-johannes@sipsolutions.net> <1439540944.2091.10.camel@sipsolutions.net> <20150814090044.GB21759@unicorn.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel To: Michal Kubecek Return-path: In-Reply-To: <20150814090044.GB21759@unicorn.suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, 2015-08-14 at 11:00 +0200, Michal Kubecek wrote: > > but should I have expected this? > > It might have something to do with the fact that is_power_of_2() > being an inline function, perhaps with this compiler option it > translates to something that can't be used in the context > BUILD_BUG_ON() uses it in. Evidently, yeah. > There is a BUILD_BUG_ON_NOT_POWER_OF_2() macro you could use. > Good point, I'll do that, thanks. johannes