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Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options |
Date: |
Mon, 7 May 2018 14:44:42 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 |
On 07/05/2018 13:56, Markus Armbruster wrote:
> Adding more and more ways to do the same stuff does not improve an
> interface. Interface design needs to be *opinionated*. If we decide
> -machine accel=tcg isn't a nice interface, by all means create a better
> one, but as replacement[*], not as addition.
>
> Furthermore:
>
> tcg: add options for enabling MTTCG
>
> We know there will be cases where MTTCG won't work until additional work
> is done in the front/back ends to support. It will however be useful to
> be able to turn it on.
>
> As a result MTTCG will default to off unless the combination is
> supported. However the user can turn it on for the sake of testing.
>
> Signed-off-by: KONRAD Frederic <address@hidden>
> [AJB: move to -accel tcg,thread=multi|single, defaults]
> Signed-off-by: Alex Bennée <address@hidden>
> Reviewed-by: Richard Henderson <address@hidden>
>
> I'm sorry, but this us sub-par. Yes, the commit is also about "enabling
> MTTCG", but it also adds a new way to select accelerators, without ever
> spelling that out. It should've been split, and properly described.
Perhaps we can deprecate "-M accel" then, and also while we're at it
move kernel_irqchip from -machine to "-accel kvm" where it belongs?
Paolo
- Re: [Qemu-devel] [PATCH v2 2/5] qemu-options: Bail out on unsupported options instead of silently ignoring them, (continued)
- [Qemu-devel] [PATCH v2 5/5] qemu-options: Remove deprecated -no-kvm, Thomas Huth, 2018/05/04
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Paolo Bonzini, 2018/05/04
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Thomas Huth, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Markus Armbruster, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Thomas Huth, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Markus Armbruster, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Paolo Bonzini, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Markus Armbruster, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Markus Armbruster, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Paolo Bonzini, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Thomas Huth, 2018/05/16
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Paolo Bonzini, 2018/05/07
- Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Markus Armbruster, 2018/05/07
Re: [Qemu-devel] [PATCH v2 0/5] Removal of deprecated -no-kvm* options, Paolo Bonzini, 2018/05/04