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Date: Tue, 18 Oct 2016 14:01:33 -0400
From: "Emilio G. Cota" <cota@braap.org>
Message-ID: <20161018180133.GA9586@flamenco>
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	<20161016223837.GB5587@flamenco> <87lgxnfkyo.fsf@linaro.org>
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Subject: Re: [Qemu-devel] [PATCH v6 00/35] cmpxchg-based emulation of atomics
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To: Alex =?iso-8859-1?Q?Benn=E9e?= <alex.bennee@linaro.org>
Cc: Richard Henderson <rth@twiddle.net>, qemu-devel@nongnu.org

On Tue, Oct 18, 2016 at 09:28:10 +0100, Alex Bennée wrote:
> Emilio G. Cota <cota@braap.org> writes:
> > I have not tested the ARM bits. I just tested aarch64 and it works, though.
> >
> > I put the scripts online so that others can easily generate natively the ck_pr
> > tests. If you have an architecture I don't have access to (e.g. ARM, Alpha),
> > please send me the resulting tarball (the ck_pr.sh script takes care of everything)
> > and I'll upload it with the others:
> >
> >   http://braap.org/qemu/ck/
> 
> I built this with your script on an debian:armhf image (powered by qemu
> ;-)

Thanks! I uploaded it to the URL above.

The arm bits indeed trip TCG up:

/data/src/qemu (atomic-6 *$)$ for prog in \
	$(find img/arm/ck_pr-armv7l/regressions/ck_pr/validate/ \
		-executable -name 'ck_pr*' -type f); \
	do \
		arm-linux-user/qemu-arm $prog || break; \
	done
qemu-arm: /data/src/qemu/tcg/tcg.c:653: tcg_temp_free_internal: Assertion `ts->temp_allocated != 0' failed.
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Segmentation fault (core dumped)
/data/src/qemu (atomic-6 *$)$

Thanks,

		Emilio