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Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting thr
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs |
Date: |
Thu, 09 Oct 2014 23:08:03 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1 |
Il 09/10/2014 22:22, Wei Huang ha scritto:
>
> Given that back-ward compatibility is a concern, will the following work?
>
> 1. Instead of bailing out, print a warning message (e.g. to log file via
> error_report) in QEMU.
> 2. [optional] Eduardo Habkost suggested that we can create a new machine
> model which more strictly checks threads=n option for AMD. For any
> existing machine config, we don't force it; but warning message still
> applies. This is optional because it is a bit over-killed IMO.
> 3. Gives out a warning in virt-manager as well. This is similar to
> "Overcomming CPUs will slow down performance" in current virt-manager
> screen. The message will read "Chosen CPU model doesn't support
> hyperthreading" or something similar.
I like (1) and (3).
Paolo
- [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Wei Huang, 2014/10/07
- [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Wei Huang, 2014/10/07
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Paolo Bonzini, 2014/10/07
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Wei Huang, 2014/10/07
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Paolo Bonzini, 2014/10/07
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Wei Huang, 2014/10/07
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Paolo Bonzini, 2014/10/08
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Wei Huang, 2014/10/09
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Eduardo Habkost, 2014/10/09
- Re: [Qemu-devel] [PATCH 1/1] target-i386: prevent users from setting threads>1 for AMD CPUs, Wei Huang, 2014/10/21