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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Alexander Boettcher <alexander.boettcher@genode-labs.com>
Cc: qemu-devel@nongnu.org, rth@twiddle.net,
	fred.konrad@greensocs.com, pbonzini@redhat.com,
	crosthwaite.peter@gmail.com
Subject: Re: [Qemu-devel] Qemu deadlocks in tb_lock when using SVM+SoftMMU
Date: Mon, 06 Mar 2017 16:24:37 +0000	[thread overview]
Message-ID: <87h936ida2.fsf@linaro.org> (raw)
In-Reply-To: <d208c3f0-2e57-0b54-f18f-b5e27d698e28@genode-labs.com>


Alexander Boettcher <alexander.boettcher@genode-labs.com> writes:

> Hi,
<snip>
>
> Sometimes Qemu just succeeds if the timing is well, will see.
>
> But this is not the point of this issue atm.

I've sent a patch that works as Richard suggested. However your test
image seems to run into other issues. I have tested it on my known good
x86 image and it works.

However my knowledge of x86's interrupt architecture is fairly minimal
so I'm looking for testing/feedback on the patch.

>
> Alex.


--
Alex Bennée

  parent reply	other threads:[~2017-03-06 16:24 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-05 16:59 [Qemu-devel] Qemu deadlocks in tb_lock when using SVM+SoftMMU Alexander Boettcher
2017-03-05 21:32 ` Alex Bennée
2017-03-06  1:34   ` Richard Henderson
2017-03-06 16:58     ` Paolo Bonzini
2017-03-06 19:21       ` Richard Henderson
2017-03-06 20:03       ` Alexander Boettcher
2017-03-06 13:15 ` Alex Bennée
2017-03-06 13:21   ` Alexander Boettcher
2017-03-06 14:42     ` Alex Bennée
2017-03-06 15:11       ` Alexander Boettcher
2017-03-06 15:57         ` [Qemu-devel] [PATCH] target/i386: move nested exception check to x86_cpu_exec_interrupt Alex Bennée
2017-03-06 19:24           ` Richard Henderson
2017-03-07 15:03             ` Alex Bennée
2017-03-06 16:24         ` Alex Bennée [this message]
2017-03-06 20:11           ` [Qemu-devel] Qemu deadlocks in tb_lock when using SVM+SoftMMU Alexander Boettcher
2017-03-06 20:56             ` Paolo Bonzini

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