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Date: Tue, 28 Nov 2017 20:48:28 +0100 (CET) From: Thomas Gleixner <tglx@...utronix.de> To: "Gustavo A. R. Silva" <garsilva@...eddedor.com> cc: Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, LKML <linux-kernel@...r.kernel.org>, Kees Cook <keescook@...omium.org>, Linus Torvalds <torvalds@...ux-foundation.org> Subject: Re: [PATCH] x86/syscalls: Mark expected switch fall-throughs On Tue, 28 Nov 2017, Gustavo A. R. Silva wrote: > This is what we want to add: > > # Warn about missing switch break or fall-through comment. > KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough) Can this be made to ignore comments and only accept the proper annotation? > > > I have no idea who came up with that brilliant idea of parsing comments in > > > the code. It's so simple to make this parser completely fail that it's not > > > even funny anymore. > > > > > I don't get why someone would want to do that to himself. :/ Well, it's not intentional. You add any comment and the parser thinks its correct. Or you typo the thing and it fails to recognize. Thanks, tglx
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