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Re: [Qemu-devel] [Qemu-stable] Recent patches for 2.4


From: Peter Lieven
Subject: Re: [Qemu-devel] [Qemu-stable] Recent patches for 2.4
Date: Mon, 21 Sep 2015 09:40:10 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0

Am 07.09.2015 um 21:14 schrieb Paolo Bonzini:

On 07/09/2015 21:11, Peter Lieven wrote:
It helps, but I have a small issue when my backport of the patch
is applied.

I launch qemu witch a cmdline like this to probe for enforcable CPU types.

echo quit | qemu -enable-kvm -monitor stdio -nodefaults -nographic -cpu 
Haswell,enforce -S

Qemu hangs when entering the quit command. If I omit the -S it works. And 
without the
fix it also works with -S.

My backport (Linux only and without tests etc.) of the original fix is here:
https://github.com/plieven/qemu/commit/0ddcdc62a85f705017df16421d769e82b70f9b37
Could you be missing edec47c?

Indeed this one fixed the deadlock with -S in cmdline.
Are there other important fixes from the series?

I currently have these two:
 main-loop: fix qemu_notify_event for aio_notify optimization
 AioContext: fix broken ctx->dispatching optimization

Thanks,
Peter



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