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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3912c015a29sm5961965f8f.42.2025.03.07.10.04.27 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 07 Mar 2025 10:04:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1741370670; x=1741975470; 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=qgqJlQXPaNCurtKb37o64LFzMpOza3vmaLhco3Sgch0=; b=rPeIhdYTUtupcpshUxhysVrJVQ+V76TMO64qM7dZw4WaOEGyx5Wn8QYsAHx+g1ovwV nYFKm/8/3NdnLLKC1gi3aA5uh6+dO0S2o3bv6yPVYa32HnMDTm0EeddIiu3LPvRUJsJz k4qkg4kVrjA8KMCGkxi+5k30mk09MUhfXPxRnaXNo0xGXQKCNAEpaxc1eYSkX3kEmKwS qfjXpkpEX1JdatQorUFbBkl+eeOa490WmsvhSWGaIcJNxF376/Uqq+HP64dkDJ75+eO+ se0G/IlUjPVHElz3vbXvo34hiQYSB8xlFz6aBZh7iSLGDFh4AY6dPjmkH1j+J+01YC+1 jKMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741370670; x=1741975470; 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=qgqJlQXPaNCurtKb37o64LFzMpOza3vmaLhco3Sgch0=; b=L3Ksdrg4b0hRPERZzrjrkeep3jPwyrfR1yoHvh0sNn63kpJqoNyOjsX738yreRxDwf NM4BOxqIDjqv5DU7qsNdlfIc/BwK5GRDsKB/t+ycOR36GuSzwqp0DGoBYJ87P50j9h6H VGrYGyYrwzcM4u1Nlv8D3UUKuUh//MujARmyIaxDR6TBrVcMd7zx/p+/wFZK6urX+43y rKwdqyPSuzLdF8qX4+PleDuyn2YSuxGl5sS9/EXrPN/OgCFizk1XqkzG/7j5WznFnVzy IyCDOqLZ3A14X2cUsCiwHW0WNVE1BA94yKZdvBRUP1xlfBoZ5Hl3yhvl+Ku0gqHb7AaV Ue8Q== X-Gm-Message-State: AOJu0Yw78qelfpRdkZfjki19jpMX9G1ChMClXXJrmtSQa8XIPOrp3+X6 Wxu9xo/1F8zG7jk8APFcF4n0f9acMKzcsG6dTuhCMYv9ArSFNWzS/fsIcq88ocVbgFCM0OmcCWn GUeM= X-Gm-Gg: ASbGncvDMJlgSpwHJ2WTz3y+mCBl/A8Jgv+Jv9DUzvAcrcmZhhQmZoJOAE+wMk6NTZz yOQfTMM/4KkU857atGXbF96p/9RzPVSbkrnls88sBMsHnpGFGp0v3a0blihWUY0Nbwu/LqRRDKI JzsHMwXVNdDpPDUTuiUJ9wymfG6/V9hEs1UNjWQXxk2dIw5E0TN/t1X6pmWfNYEiR+jucE8GSTW Z6NyfLpIb0oYAKzQQ/KGjfWhvd0IBv0edWlXcY9wLnr6vdE953ExDEMxp2RGdh8qB4kHUJWbkvw 3ejAM2bL1kvgETZ+1dhnd728bqyt8EcLvlAJRzdM8fpu4BHgA3WqTCg/GUnwBJ5do0Pif1F3IO0 Bde7Po23Xe68Qpd21DrE= X-Google-Smtp-Source: AGHT+IG86wo6VjNTiB+dsP2CrUpAEcNOBKsuaBqrTPoI1r5vkBrwnV0jTDl16znAZrCu0SDGfxgSlA== X-Received: by 2002:a5d:64a4:0:b0:390:fbdd:994d with SMTP id ffacd0b85a97d-39132d45d52mr2858940f8f.27.1741370669687; Fri, 07 Mar 2025 10:04:29 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Alex Williamson , Igor Mammedov , qemu-ppc@nongnu.org, Thomas Huth , Richard Henderson , Tony Krowiak , Ilya Leoshkevich , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , kvm@vger.kernel.org, Yi Liu , Paolo Bonzini , Zhenzhong Duan , Matthew Rosato , Eric Farman , Peter Xu , Pierrick Bouvier , Daniel Henrique Barboza , Eric Auger , qemu-s390x@nongnu.org, Jason Herne , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , David Hildenbrand , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Harsh Prateek Bora , Nicholas Piggin , Halil Pasic , Christian Borntraeger Subject: [PATCH 09/14] hw/vfio/pci: Convert CONFIG_KVM check to runtime one Date: Fri, 7 Mar 2025 19:03:32 +0100 Message-ID: <20250307180337.14811-10-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250307180337.14811-1-philmd@linaro.org> References: <20250307180337.14811-1-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::42d; envelope-from=philmd@linaro.org; helo=mail-wr1-x42d.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: 1741370784405019100 Use the runtime kvm_enabled() helper to check whether KVM is available or not. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Pierrick Bouvier Reviewed-by: Richard Henderson --- hw/vfio/pci.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index fdbc15885d4..9872884ff8a 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -118,8 +118,13 @@ static void vfio_intx_eoi(VFIODevice *vbasedev) =20 static bool vfio_intx_enable_kvm(VFIOPCIDevice *vdev, Error **errp) { -#ifdef CONFIG_KVM - int irq_fd =3D event_notifier_get_fd(&vdev->intx.interrupt); + int irq_fd; + + if (!kvm_enabled()) { + return true; + } + + irq_fd =3D event_notifier_get_fd(&vdev->intx.interrupt); =20 if (vdev->no_kvm_intx || !kvm_irqfds_enabled() || vdev->intx.route.mode !=3D PCI_INTX_ENABLED || @@ -171,16 +176,13 @@ fail_irqfd: fail: qemu_set_fd_handler(irq_fd, vfio_intx_interrupt, NULL, vdev); vfio_unmask_single_irqindex(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX); + return false; -#else - return true; -#endif } =20 static void vfio_intx_disable_kvm(VFIOPCIDevice *vdev) { -#ifdef CONFIG_KVM - if (!vdev->intx.kvm_accel) { + if (!kvm_enabled() || !vdev->intx.kvm_accel) { return; } =20 @@ -211,7 +213,6 @@ static void vfio_intx_disable_kvm(VFIOPCIDevice *vdev) vfio_unmask_single_irqindex(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX); =20 trace_vfio_intx_disable_kvm(vdev->vbasedev.name); -#endif } =20 static void vfio_intx_update(VFIOPCIDevice *vdev, PCIINTxRoute *route) @@ -278,7 +279,6 @@ static bool vfio_intx_enable(VFIOPCIDevice *vdev, Error= **errp) vdev->intx.pin =3D pin - 1; /* Pin A (1) -> irq[0] */ pci_config_set_interrupt_pin(vdev->pdev.config, pin); =20 -#ifdef CONFIG_KVM /* * Only conditional to avoid generating error messages on platforms * where we won't actually use the result anyway. @@ -287,7 +287,6 @@ static bool vfio_intx_enable(VFIOPCIDevice *vdev, Error= **errp) vdev->intx.route =3D pci_device_route_intx_to_irq(&vdev->pdev, vdev->intx.pin); } -#endif =20 ret =3D event_notifier_init(&vdev->intx.interrupt, 0); if (ret) { --=20 2.47.1