linux-kernel - Re: [PATCH] powerpc/math

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Message-ID: <20220901194705.GI25951@gate.crashing.org>
Date:   Thu, 1 Sep 2022 14:47:05 -0500
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        kernel test robot <lkp@...el.com>,
        Arnd Bergmann <arnd@...db.de>, Tom Rix <trix@...hat.com>,
        "llvm@...ts.linux.dev" <llvm@...ts.linux.dev>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Nicholas Piggin <npiggin@...il.com>,
        "patches@...ts.linux.dev" <patches@...ts.linux.dev>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH] powerpc/math_emu/efp: Include module.h

On Thu, Sep 01, 2022 at 05:41:33AM +0000, Christophe Leroy wrote:
> I think it would be worth a GCC bug report.

We need a stand-alone testcase for this.  When you have created one, at
least 98% of the time you discover the bug is in user code after all.

Which is a very good thing, it means the problem can be fixed simpler,
cheaper, and a lot faster :-)


Segher