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Mon, 08 Feb 2021 10:23:51 -0800 (PST) Received: from avogadro.redhat.com ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id x22sm19670wmc.25.2021.02.08.10.23.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Feb 2021 10:23:50 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 19/46] configure: Improve TCI feature description Date: Mon, 8 Feb 2021 19:23:04 +0100 Message-Id: <20210208182331.58897-20-pbonzini@redhat.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210208182331.58897-1-pbonzini@redhat.com> References: <20210208182331.58897-1-pbonzini@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=paolo.bonzini@gmail.com; helo=mail-wm1-x334.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , Thomas Huth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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: <20210125144530.2837481-3-philmd@redhat.com> 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 a34f91171d..ca2cf50773 100755 --- a/configure +++ b/configure @@ -1764,7 +1764,7 @@ Advanced options (experts only): --with-trace-file=NAME Full PATH,NAME of file to store traces Default:trace- --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',