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Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option |
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Date: |
Mon, 3 Jul 2017 12:55:04 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 03/07/2017 12:33, Daniel P. Berrange wrote:
>> i386-softmmu and x86_64-softmmu are singled out here, because they're
>> the only targets where --disable-tcg compiles. For the others, more
>> work is needed (see patches 6-15 in Yang Zhong's series).
>
> Even with that, you still can't disable TCG if building on a non-x86
> host, since that'd leave you with no available CPU at all. So the
> code still needs refactoring to check architectures properly.
It would leave you with a tools-only build; whether that's a good idea,
it's another story. I think it's acceptable, but others may disagree.
Paolo
>> The part that is missing in this patch is disabling non-hypervisor
>> targets when --disable-tcg is specified. My original patch built only
>> i386-softmmu and x86_64-softmmu if you specified --disable-tcg, see
>>
>> https://lists.nongnu.org/archive/html/qemu-devel/2012-09/msg02570.html
>> https://lists.nongnu.org/archive/html/qemu-devel/2012-09/msg02571.html
- [Qemu-devel] [PATCH v2 00/15] add disable-tcg option for x86 build, Yang Zhong, 2017/07/03
- [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option, Yang Zhong, 2017/07/03
- Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option, Daniel P. Berrange, 2017/07/03
- Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option, Paolo Bonzini, 2017/07/03
- Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option, Daniel P. Berrange, 2017/07/03
- Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option, Thomas Huth, 2017/07/03
- Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option, Daniel P. Berrange, 2017/07/03
- Re: [Qemu-devel] [PATCH v2 01/15] configure: add the disable-tcg option, Paolo Bonzini, 2017/07/03
[Qemu-devel] [PATCH v2 02/15] vl: add tcg_enabled() for tcg related code, Yang Zhong, 2017/07/03
[Qemu-devel] [PATCH v2 03/15] tcg: tcg_handle_interrupt() function, Yang Zhong, 2017/07/03
[Qemu-devel] [PATCH v2 04/15] tcg: change tcg_enabled(), Yang Zhong, 2017/07/03
[Qemu-devel] [PATCH v2 05/15] tcg: move page_size_init() function, Yang Zhong, 2017/07/03
[Qemu-devel] [PATCH v2 07/15] tcg: move cpu_sync_bndcs_hflags() function, Yang Zhong, 2017/07/03