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([186.215.58.88]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7d443136907sm334395585a.14.2025.06.28.12.57.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Jun 2025 12:57:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751140674; x=1751745474; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=N8RNDG58fu6VATaaftZTVcVDja/cJV1L/ku3KjsPqaI=; b=LJPw4U0qZNt2wInZ7TZ/vLBYrzQshgE8sMdehw+RkXq/u/EsAIG4GBk+CjZZp8jliq Mx0mvSngDavIe/hnsaLb4Clii1281Ixkki2rkMPbKwvbLi1xaSgv5PNpFTpzCvIhJzeq 7xcEbhWub8ltNb2r39C1UITGshc6BLUFX2HDShLL0rkh28t0V6lrt35PNjkCdTcLoA/9 T7eQOHCf4w2Vj6aW1sYCYADxPG1OfmeeDthledwWC1tbzgOhrKS0BBrte2WmwaQBqEhQ ZIFSbn8FYOXlXBdr3+earcBjieBwJtlspHmnYJ5VPknWuYsSH+dWoWxG/MnsN3EQ5ttQ TITw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751140674; x=1751745474; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=N8RNDG58fu6VATaaftZTVcVDja/cJV1L/ku3KjsPqaI=; b=pC+S1bZtyGE4r35WKBmQGIV+zRqGYX/Ucwu9AkXoezcSC00Dc0YNg16Ac+31AOIbjF Y6tvapOnUGv5tmmBy0YbBQuodrFE0d6iQJeBVKd3WKDzpwD1oehJeoL/cxVfOIb4RMe1 HmfP2JDIXEgd2And/f2Cb3DMBRvzIVZD8zA93P8+hFf+erjohjXIczrpmjJjqcpPUae+ Fssz4m1XXyTbrYyGOoS9Vx3qjRRFZkfkiFbKg2gD1hoW3OYZr7lR8m0B0TwRJonhgmAf G7NeCBENfMuJO+MoEzZ93L2wYislviGAQogDYFowh5W99Rwnyannpdu8UpxStNETjmP/ mqQg== X-Gm-Message-State: AOJu0YzGcorSiwbJ14229HJ8UVzdiUXqpr8N5Y+MM74TFJ+jZVy5qWCM tEFAAoEQORQ4pC7WL2umC97ly3zuv//gyvCwaboM9/3MwBqybZMcANtleHz7YqqhLldC0OsWGPg 0PhwS X-Gm-Gg: ASbGnctUA3OnY7mtCwu2GVYTybrhxC+2ohDLx6BqBSQhwOZaS20ukbUZwJ31aa/Yi6Z SmONIug1Wr2UgzGMpUy/8XMrUefGKLsEvFAyktMHBX/rL60foqsgo3Y1dHpWKUWsGfkgq1Muoa2 E/hu0T1Z+kAvCZBqEB1T0ZBn3kll/nj6i0TMXC7qcsbbPSr4Hsi2PF5np+ZqPeiMDrOyrDUxjr7 UP4KLl3kdmOYmGqQbzafe/MHuth5Ceinqz1PJh0YWsIiRvQTYqJFenO0OKWTCYNv7yOHX1iijzu N4RGCPgSJ6UgW2HT3kt/fHh20LR6AjsLqpp1MdlIxNd2cvRQj31rBd/rqTQxx0fwHj4= X-Google-Smtp-Source: AGHT+IGmfJpIieB66+GPziD/5Xt1TwlHhJgbB0RykGlKeLuCWkL+IVFNwDP6UPT92V+kq9drrhJXXA== X-Received: by 2002:a05:620a:25cf:b0:7c5:9fd3:a90b with SMTP id af79cd13be357-7d4439a6782mr1350631385a.47.1751140674015; Sat, 28 Jun 2025 12:57:54 -0700 (PDT) From: Gustavo Romero To: qemu-devel@nongnu.org, eric.auger@redhat.com, philmd@linaro.org, mst@redhat.com Cc: qemu-arm@nongnu.org, alex.bennee@linaro.org, gustavo.romero@linaro.org, udo@hypervisor.org, ajones@ventanamicro.com, peter.maydell@linaro.org, imammedo@redhat.com, anisinha@redhat.com, Richard Henderson Subject: [PATCH v6 3/9] hw/arm/virt: Simplify create_its() Date: Sat, 28 Jun 2025 19:57:16 +0000 Message-Id: <20250628195722.977078-4-gustavo.romero@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250628195722.977078-1-gustavo.romero@linaro.org> References: <20250628195722.977078-1-gustavo.romero@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=2607:f8b0:4864:20::72b; envelope-from=gustavo.romero@linaro.org; helo=mail-qk1-x72b.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=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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: 1751140788466116600 From: Philippe Mathieu-Daud=C3=A9 No need to strstr() check the class name when we can use kvm_irqchip_in_kernel() to check if the ITS from the host can be used. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Reviewed-by: Eric Auger Reviewed-by: Gustavo Romero --- hw/arm/virt.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 6d9256a525..ae419e8671 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -705,21 +705,18 @@ static inline DeviceState *create_acpi_ged(VirtMachin= eState *vms) =20 static void create_its(VirtMachineState *vms) { - const char *itsclass =3D its_class_name(); DeviceState *dev; =20 - if (!strcmp(itsclass, "arm-gicv3-its")) { - if (!vms->tcg_its) { - itsclass =3D NULL; - } - } - - if (!itsclass) { - /* Do nothing if not supported */ + assert(vms->its); + if (!kvm_irqchip_in_kernel() && !vms->tcg_its) { + /* + * Do nothing if ITS is neither supported by the host nor emulated= by + * the machine. + */ return; } =20 - dev =3D qdev_new(itsclass); + dev =3D qdev_new(its_class_name()); =20 object_property_set_link(OBJECT(dev), "parent-gicv3", OBJECT(vms->gic), &error_abort); --=20 2.34.1