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Re: [Qemu-devel] [RFC v2 08/11] tcg: add options for enabling MTTCG

From: Sergey Fedorov
Subject: Re: [Qemu-devel] [RFC v2 08/11] tcg: add options for enabling MTTCG
Date: Mon, 11 Apr 2016 23:50:30 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

On 05/04/16 18:32, Alex Bennée wrote:
> diff --git a/qemu-options.hx b/qemu-options.hx
> index a770086..4eca704 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -3224,6 +3224,20 @@ Attach to existing xen domain.
>  xend will use this when starting QEMU (XEN only).
> +DEF("tcg", HAS_ARG, QEMU_OPTION_tcg, \
> +    "-tcg [mttcg=on|off] control TCG options\n", QEMU_ARCH_ALL)
> address@hidden -tcg
> address@hidden -tcg
> address@hidden @option
> address@hidden mttcg=[on|off]
> +Control multi-threaded TCG. By default QEMU will enable multi-threaded
> +emulation for front/back-end combinations that are known to work. The
> +user may enable it against the defaults however odd guest behaviour
> +may occur.
> address@hidden table

Maybe we'd better use existing qemu accelerator framework and introduce
"-machine accel=mttcg" option?

Kind regards,

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