From: Paolo Bonzini <pbonzini@redhat.com>
To: Thomas Huth <thuth@redhat.com>
Cc: Yang Zhong <yang.zhong@intel.com>,
anthony xu <anthony.xu@intel.com>,
qemu-devel@nongnu.org, a rigo <a.rigo@virtualopensystems.com>
Subject: Re: [Qemu-devel] [PATCH 01/15] configure: add the disable-tcg option
Date: Thu, 22 Jun 2017 02:22:55 -0400 (EDT) [thread overview]
Message-ID: <1082632418.11149315.1498112575500.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <2c901b45-afb8-d807-19e9-14befbfdc3fd@redhat.com>
> 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
next prev parent reply other threads:[~2017-06-22 6:23 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-21 10:19 [Qemu-devel] [PATCH 00/15] add disable-tcg option for x86 build Yang Zhong
2017-06-21 10:19 ` [Qemu-devel] [PATCH 01/15] configure: add the disable-tcg option Yang Zhong
2017-06-21 22:33 ` Richard Henderson
2017-06-22 4:20 ` Thomas Huth
2017-06-22 6:22 ` Paolo Bonzini [this message]
2017-06-22 6:33 ` Thomas Huth
2017-06-22 9:26 ` Paolo Bonzini
2017-06-22 9:30 ` Thomas Huth
2017-06-22 9:32 ` Paolo Bonzini
2017-06-21 10:19 ` [Qemu-devel] [PATCH 02/15] vl: add CONFIG_TCG for tcg related code Yang Zhong
2017-06-21 13:10 ` Paolo Bonzini
2017-06-22 6:54 ` Zhong Yang
2017-06-21 10:19 ` [Qemu-devel] [PATCH 03/15] tcg: tcg_handle_interrupt() function Yang Zhong
2017-06-21 13:10 ` Paolo Bonzini
2017-06-22 7:06 ` Zhong Yang
2017-06-22 9:29 ` Paolo Bonzini
2017-06-21 10:19 ` [Qemu-devel] [PATCH 04/15] tcg: change tcg_enabled() Yang Zhong
2017-06-21 10:19 ` [Qemu-devel] [PATCH 05/15] tcg: move page_size_init() function Yang Zhong
2017-06-21 10:19 ` [Qemu-devel] [PATCH 06/15] kvmvapic: remove tcg related code Yang Zhong
2017-06-21 10:19 ` [Qemu-devel] [PATCH 07/15] tcg: move cpu_sync_bndcs_hflags() function Yang Zhong
2017-06-21 10:19 ` [Qemu-devel] [PATCH 08/15] tcg: make cpu_get_fp80()/cpu_set_fp80() static Yang Zhong
2017-06-21 10:19 ` [Qemu-devel] [PATCH 09/15] tcg: add the tcg-stub.c file into accel/stubs/ Yang Zhong
2017-06-21 10:19 ` [Qemu-devel] [PATCH 10/15] tcg: move tb related lock functions Yang Zhong
2017-06-21 10:19 ` [Qemu-devel] [PATCH 11/15] tcg: split cpu_set_mxcsr()/cpu_set_fpuc() Yang Zhong
2017-06-21 13:15 ` Paolo Bonzini
2017-06-22 8:03 ` Zhong Yang
2017-06-22 8:42 ` Paolo Bonzini
2017-06-21 22:36 ` Richard Henderson
2017-06-21 10:19 ` [Qemu-devel] [PATCH 12/15] tcg: remove inline definition of flush_icache_range() Yang Zhong
2017-06-21 13:17 ` Paolo Bonzini
2017-06-21 10:19 ` [Qemu-devel] [PATCH 13/15] tcg: disable tcg in CPUX86State struct Yang Zhong
2017-06-21 22:24 ` Richard Henderson
2017-06-22 9:32 ` Zhong Yang
2017-06-21 10:20 ` [Qemu-devel] [PATCH 14/15] tcg: add the CONFIG_TCG for header Yang Zhong
2017-06-21 10:20 ` [Qemu-devel] [PATCH 15/15] tcg: add the CONFIG_TCG into Makefiles Yang Zhong
2017-06-21 12:03 ` [Qemu-devel] [PATCH 00/15] add disable-tcg option for x86 build no-reply
2017-06-21 13:19 ` Paolo Bonzini
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