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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b644ae37dsm31031247f8f.2.2026.03.23.09.53.26 for (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 23 Mar 2026 09:53:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1774284807; x=1774889607; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=H+01kDL8vwOFCafIr+GaEdpav1kILk0/awwutlUldoo=; b=wrsd/ANCL5eQialOG3c8bChxjy9pdSZCwoG5DkL8GjDnWM8Nrx5/y/cIj6k7yMVc6V Lef1i9Scwndlp40LTcIJz/Yx5xtybsyG7+X5xVSqYypWmucuPdtP8Zu5XDaXU9e6o5WK XXeev8SG705ZV+8xdJKA/Bq4T8uajCqoX47DfDxSA7a2pCoQHuiSEihuElwr6/wcaA/V qNYxU4gVgIGifUWmMaHI4AvzTJXCR2rXYiBvbZK0GU33XZsF1rV/R9qOPsoLwAtNH29I u4ywBKc0dNaEn2LeC6bVQyfFdIW0pGEnb8pgOl1KX4dkz0dZcszBtQOa1vwCVWr0nxiG WKdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774284807; x=1774889607; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=H+01kDL8vwOFCafIr+GaEdpav1kILk0/awwutlUldoo=; b=HeLAohHKF6JM/ddEuuetwISEGR3s1rHBeF9a8iKKZe9eshY4THZjoiWDdq650PjvqX 0QOas1ihzefMuLg+wjVy0mAx9vgq9bZ8C1lvBnfXE8Jq2Z/YclxaYJtGdPAKfXJoMjKV Se0508pkEAw5XS99uPMEfHF54e+LaljXnTWNR1WaYCVEIZn6BW4u6PYEb6I9/DTOZAHN THPuw3o5yFf2qQjcA9LDKFFUgp9/QYJDdi/WBIra7QeXJls3atqM/uwRcqdL8y/7cY6j Adpsjw+EGFY2DdXJ3f7s6rsVBXPb0gsycHfpDctMYnz7FqQeLsXhObFNNMpggZvTXI+7 8y/Q== X-Gm-Message-State: AOJu0YyP/NNyaP+/E/apxr+wKaFfIs6xdSlk7IIcYGfmPfPVzNvrdX9p y3ydxuyUdqGnACu28sgxVdqN4CUXxJNNXQ1v+JRQhkviCK2G9/wGA4SYXJTiE0Ar3rYG23pxpVj tYnWvq48= X-Gm-Gg: ATEYQzxifrO9o3RrkAgHE3kAeHxBWpztb81ufoSGtZOkA0A8NtgbEsxy4tWOyJO8Znd 03z6uIq8S+TwRCTEm4VGiWh9bLdWhO2OwZt3dBzFEODHkiraHeSuMAfHeP0YmzlkeWI9TmOUdPV CwlnMdEQgYeKLD2jVnubvZQ/vBHJxkDet3rA6QoO3B91KL4xO8OYwvS+3u6UvZs4hLDMaPu88jk jyQHE8C6fyvgzO/VypkU7oBRJ7AXEdEPHBvwSWQAjxMn7E0yPaJjgFPErksm5b6MQGVdqhl3K2/ oxcG2W7BLlGS/ALTTjK1OkRVyW/N9ekxVgWTjsQABP6yab30aQOv40TSBobeBvXgif5S2E8AK+W 68RfQMyWNVt8WuLxaBv73XF9OdrIffwI21lV7+Vh7mvF+3USWo6iyyb4UpCjlVwyDjymZ/3pgyR YISI+fMa0D6C7Z5mqn0HpiXjrzsuEuapl5wp+ybEC9zUjn1+JKGXmukDgmycFT1lIRujpayD3K X-Received: by 2002:a05:6000:601:b0:439:c5cf:fc73 with SMTP id ffacd0b85a97d-43b6423b842mr20341597f8f.12.1774284807231; Mon, 23 Mar 2026 09:53:27 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 10/27] hw/i386/hyperv: add stubs for synic enablement Date: Mon, 23 Mar 2026 17:52:01 +0100 Message-ID: <20260323165218.96607-11-philmd@linaro.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260323165218.96607-1-philmd@linaro.org> References: <20260323165218.96607-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=philmd@linaro.org; helo=mail-wr1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1774284844869158500 From: Ani Sinha Add a new call hyperv_enable_synic() that can be called whether or not CONFIG_HYPERV is enabled. This way genetic code in i396/kvm.c can call this function to enable synic for hyperv. For non-hyperv cases, the stub will be a noop. Reported-by: Michale Tokarev Signed-off-by: Ani Sinha Reviewed-by: Michael Tokarev Tested-by: Michael Tokarev Message-ID: <20260319122137.142178-3-anisinha@redhat.com> Tested-by: Xudong Hao Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/i386/kvm/hyperv.h | 1 + target/i386/kvm/hyperv-stub.c | 5 +++++ target/i386/kvm/hyperv.c | 9 +++++++++ target/i386/kvm/kvm.c | 12 +++++------- 4 files changed, 20 insertions(+), 7 deletions(-) diff --git a/target/i386/kvm/hyperv.h b/target/i386/kvm/hyperv.h index e45a4512fe9..a393a5d4283 100644 --- a/target/i386/kvm/hyperv.h +++ b/target/i386/kvm/hyperv.h @@ -23,6 +23,7 @@ int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exi= t *exit); #endif =20 int hyperv_x86_synic_add(X86CPU *cpu); +int hyperv_enable_synic(X86CPU *cpu); void hyperv_x86_synic_reset(X86CPU *cpu); void hyperv_x86_synic_update(X86CPU *cpu); =20 diff --git a/target/i386/kvm/hyperv-stub.c b/target/i386/kvm/hyperv-stub.c index 5836f53c23b..767a4c7e1a1 100644 --- a/target/i386/kvm/hyperv-stub.c +++ b/target/i386/kvm/hyperv-stub.c @@ -61,3 +61,8 @@ uint64_t hyperv_syndbg_query_options(void) { return 0; } + +int hyperv_enable_synic(X86CPU *cpu) +{ + return 0; +} diff --git a/target/i386/kvm/hyperv.c b/target/i386/kvm/hyperv.c index f7a81bd2700..bd3c26d02b5 100644 --- a/target/i386/kvm/hyperv.c +++ b/target/i386/kvm/hyperv.c @@ -24,6 +24,15 @@ int hyperv_x86_synic_add(X86CPU *cpu) return 0; } =20 +int hyperv_enable_synic(X86CPU *cpu) +{ + int ret =3D 0; + if (!hyperv_is_synic_enabled()) { + ret =3D hyperv_x86_synic_add(cpu); + } + return ret; +} + /* * All devices possibly using SynIC have to be reset before calling this t= o let * them remove their SINT routes first. diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index a29f757c168..9e352882c8c 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1754,13 +1754,11 @@ static int hyperv_init_vcpu(X86CPU *cpu) return ret; } =20 - if (!hyperv_is_synic_enabled()) { - ret =3D hyperv_x86_synic_add(cpu); - if (ret < 0) { - error_report("failed to create HyperV SynIC: %s", - strerror(-ret)); - return ret; - } + ret =3D hyperv_enable_synic(cpu); + if (ret < 0) { + error_report("failed to create HyperV SynIC: %s", + strerror(-ret)); + return ret; } } =20 --=20 2.53.0