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Date: Sun, 5 Nov 2017 22:15:03 +0200
From: Konstantin Belousov <kostikbel@gmail.com>
To: Ian Lepore <ian@freebsd.org>
Cc: cem@freebsd.org, Andriy Gapon <avg@freebsd.org>,
 Warner Losh <imp@bsdimp.com>, src-committers <src-committers@freebsd.org>,
 "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>,
 "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>
Subject: Re: svn commit: r325386 - head/sys/kern
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On Sun, Nov 05, 2017 at 12:37:50PM -0700, Ian Lepore wrote:
> IMO, the only reason ASSERT-style macros exist is to hide the
> conditional-on-build-type part of the operation. šThat is, to avoid
> having #ifdef INVARIANTS scattered everywhere.
bde' point is that KASSERT() is badly designed, and I agree with him.
Now we could at least remove the () around the message formatting part,
but it is too late.

> 
> Creating a macro to generate always-on error detection and reporting
> code just because there exists a macro to do so conditionally seems to
> turn the world on its head.
I agree with this statement.  if()panic(); construct is good enough, IMO.