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configure: Improve TCI feature description 

Users might want to enable all features, without realizing some
features have negative effect. Mention the TCI feature is slow
and experimental, hoping it will be selected knowingly.

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210125144530.2837481-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2021-01-25 15:45:28 +01:00 committed by Paolo Bonzini
parent e7e7bdabab
commit e9a16e3846
2 changed files with 2 additions and 2 deletions
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2
configure vendored
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@ -1764,7 +1764,7 @@ Advanced options (experts only):
--with-trace-file=NAME Full PATH,NAME of file to store traces
Default:trace-<pid>
--disable-slirp disable SLIRP userspace network connectivity
--enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
--enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow)
--enable-malloc-trim enable libc malloc_trim() for memory optimization
--oss-lib path to OSS library
--cpu=CPU Build for host CPU [$cpu]

2
meson_options.txt
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@ -40,7 +40,7 @@ option('xen_pci_passthrough', type: 'feature', value: 'auto',
option('tcg', type: 'feature', value: 'auto',
description: 'TCG support')
option('tcg_interpreter', type: 'boolean', value: false,
description: 'TCG bytecode interpreter (TCI)')
description: 'TCG with bytecode interpreter (experimental and slow)')
option('cfi', type: 'boolean', value: 'false',
description: 'Control-Flow Integrity (CFI)')
option('cfi_debug', type: 'boolean', value: 'false',