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Re: [Qemu-devel] [PATCH 01/15] configure: add the disable-tcg option
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH 01/15] configure: add the disable-tcg option |
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Date: |
Thu, 22 Jun 2017 02:22:55 -0400 (EDT) |
> On 21.06.2017 12:19, Yang Zhong wrote:
> > Add the disable-tcg option into configure and echo CONFIG_TCG=y into
> > $config_target_mak. The default tcg is enabled for all build. If tcg
> > is disabled in the build, only i386|x86_64 softmmu option can be disabled,
> > other softmmu of tagets and users build defaultly enabled the tcg.
> Why do you want to limit this disablement to x86 only? There are also
> other architectures that support KVM (ARM, PPC, MIPS), so disabling TCG
> might be possible there, too. So I think it might be better to check
> whether KVM is possible instead.
You need to be careful and not use any helper from e.g. KVM or migration
code. So I would be very surprised if any other architecture compiles
with --disable-tcg.
Paolo
[Qemu-devel] [PATCH 02/15] vl: add CONFIG_TCG for tcg related code, Yang Zhong, 2017/06/21
[Qemu-devel] [PATCH 04/15] tcg: change tcg_enabled(), Yang Zhong, 2017/06/21
[Qemu-devel] [PATCH 05/15] tcg: move page_size_init() function, Yang Zhong, 2017/06/21
[Qemu-devel] [PATCH 03/15] tcg: tcg_handle_interrupt() function, Yang Zhong, 2017/06/21