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Re: [Qemu-devel] [PATCH v4 02/16] pc: delay setting number of boot CPUs


From: Eduardo Habkost
Subject: Re: [Qemu-devel] [PATCH v4 02/16] pc: delay setting number of boot CPUs to machine_done time
Date: Thu, 14 Jul 2016 14:37:21 -0300
User-agent: Mutt/1.6.1 (2016-04-27)

On Thu, Jul 14, 2016 at 06:54:31PM +0200, Igor Mammedov wrote:
> currently present CPUs counter in CMOS only contains
> smp_cpus (i.e. initial CPUs specified with -smp X) and
> doesn't account for CPUs created with -device.
> If VM is started with additional CPUs added with
>  -device, it will hang in BIOS waiting for condition
>    smp_cpus == counted_cpus
> forever as counted_cpus will include -device CPUs as well
> and be more than smp_cpus.
> 
> make present CPUs counter in CMOS to count all CPUs
> (initial and coldplugged with -device) by delaying
> it to machine done time when it possible to count
> CPUs added with -device.
> 
> Signed-off-by: Igor Mammedov <address@hidden>

Reviewed-by: Eduardo Habkost <address@hidden>

-- 
Eduardo



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