linux-kernel - Re: [PATCH v9 6/7] kgdb: Provide a stub kgdb_nmicallback() if !CONFIG

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Date:   Mon, 7 Aug 2023 11:29:56 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Sumit Garg <sumit.garg@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Marc Zyngier <maz@...nel.org>,
        linux-perf-users@...r.kernel.org, ito-yuichi@...itsu.com,
        Chen-Yu Tsai <wens@...e.org>, Ard Biesheuvel <ardb@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-arm-kernel@...ts.infradead.org,
        kgdb-bugreport@...ts.sourceforge.net,
        Masayoshi Mizuma <msys.mizuma@...il.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Lecopzer Chen <lecopzer.chen@...iatek.com>,
        Jason Wessel <jason.wessel@...driver.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 6/7] kgdb: Provide a stub kgdb_nmicallback() if
 !CONFIG_KGDB

On Mon, Aug 07, 2023 at 11:27:00AM +0100, Mark Rutland wrote:
> On Thu, Jun 01, 2023 at 02:31:50PM -0700, Douglas Anderson wrote:
> > +static inline int kgdb_nmicallback(int cpu, void *regs) { return 1; }
> 
> Is '1' an error?
> 
> Can we return an actual error code if so? It makes it *much* clearer to anyone
> looking at the code.

Never mind; I see this was already queued. Sorry for the noise.

Thanks,
Mark.