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From: David Gibson <david@gibson.dropbear.id.au>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Igor Mitsyanko" <i.mitsyanko@gmail.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	qemu-arm <qemu-arm@nongnu.org>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"QEMU Developers" <qemu-devel@nongnu.org>
Subject: Re: [PATCHv3] exynos4210_gic: Suppress gcc9 format-truncation warnings
Date: Tue, 3 Dec 2019 11:21:43 +1100	[thread overview]
Message-ID: <20191203002143.GD37909@umbus.fritz.box> (raw)
In-Reply-To: <CAFEAcA-W74ZGVEat3A1cmgCGrGY9gF_7T-w9DK0TSPEXc4Cm_g@mail.gmail.com>

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On Mon, Dec 02, 2019 at 05:44:11PM +0000, Peter Maydell wrote:
> On Mon, 2 Dec 2019 at 16:08, Richard Henderson
> <richard.henderson@linaro.org> wrote:
> >
> > On 12/1/19 6:08 AM, David Gibson wrote:
> > >
> > > -    for (i = 0; i < s->num_cpu; i++) {
> > > +    /*
> > > +     * This clues in gcc that our on-stack buffers do, in fact have
> > > +     * enough room for the cpu numbers.  gcc 9.2.1 on 32-bit x86
> > > +     * doesn't figure this out, otherwise and gives spurious warnings.
> > > +     */
> > > +    assert(n <= EXYNOS4210_NCPUS);
> > > +    for (i = 0; i < n; i++) {
> > > +
> > >          /* Map CPU interface per SMP Core */
> >
> > Watch out for the extra line added at the start of the block.  Otherwise,
> >
> > Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> 
> I thought about putting this in rc4 but eventually decided
> against it. Queued for 5.0 (with the stray extra blank line
> removed).

Great!

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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      reply	other threads:[~2019-12-03  0:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-02  6:08 [PATCHv3] exynos4210_gic: Suppress gcc9 format-truncation warnings David Gibson
2019-12-02 16:08 ` Richard Henderson
2019-12-02 17:44   ` Peter Maydell
2019-12-03  0:21     ` David Gibson [this message]

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