From: Philippe Mathieu-Daudé <>

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 <>
Signed-off-by: Philippe Mathieu-Daudé <>
Reviewed-by: Daniel P. Berrangé <>
Message-Id: <>
Signed-off-by: Paolo Bonzini <>
 configure         | 2 +-
 meson_options.txt | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 8f3c4a6a5c..21369efc63 100755
--- a/configure
+++ b/configure
@@ -1748,7 +1748,7 @@ Advanced options (experts only):
   --with-trace-file=NAME   Full PATH,NAME of file to store traces
   --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]
diff --git a/meson_options.txt b/meson_options.txt
index 95f1079829..675a9c500a 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -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',

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