{"id":2225842,"url":"http://patchwork.ozlabs.org/api/patches/2225842/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421163438.3447280-6-clg@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260421163438.3447280-6-clg@redhat.com>","list_archive_url":null,"date":"2026-04-21T16:34:29","name":"[PULL,05/14] hw/vfio/pci.c: eradicate CONFIG_KVM","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"57877898358d63d5a14760e45caea8937e99d3c7","submitter":{"id":85406,"url":"http://patchwork.ozlabs.org/api/people/85406/?format=json","name":"Cédric Le Goater","email":"clg@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421163438.3447280-6-clg@redhat.com/mbox/","series":[{"id":500853,"url":"http://patchwork.ozlabs.org/api/series/500853/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500853","date":"2026-04-21T16:34:24","name":"[PULL,01/14] hw/vfio/listener.c: remove CONFIG_KVM","version":1,"mbox":"http://patchwork.ozlabs.org/series/500853/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225842/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225842/checks/","tags":{},"related":[],"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=c6bV1Daa;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776789296;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=DIr7OAH7jPAt9Ijrp8ig0Z4yyQ3WYxYoNGA5UcPZCys=;\n b=c6bV1Daa7qVe58VW2QYE6r6lK//xNxe7C3uWbdTdEfMY3ZSEgmzMHlUi7wYfni9umO6EzN\n 3QITOyJTC9siFbiez1AmZRIJ5iTLHH/M/TuGY4r8V5s301nspf7KGpZqVL1hKf3K1fSxvQ\n /mFku3Vg0Qx0/EcPFej3EIQUCScm90k=","X-MC-Unique":"aUIqYgI-N2ervx99N1yH0g-1","X-Mimecast-MFC-AGG-ID":"aUIqYgI-N2ervx99N1yH0g_1776789293","From":"=?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@redhat.com>","To":"qemu-devel@nongnu.org","Cc":"Alex Williamson <alex@shazbot.org>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>, =?utf-8?q?Philippe_Mathieu-?=\n\t=?utf-8?q?Daud=C3=A9?= <philmd@linaro.org>,\n =?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@redhat.com>","Subject":"[PULL 05/14] hw/vfio/pci.c: eradicate CONFIG_KVM","Date":"Tue, 21 Apr 2026 18:34:29 +0200","Message-ID":"<20260421163438.3447280-6-clg@redhat.com>","In-Reply-To":"<20260421163438.3447280-1-clg@redhat.com>","References":"<20260421163438.3447280-1-clg@redhat.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Scanned-By":"MIMEDefang 3.0 on 10.30.177.17","Received-SPF":"pass client-ip=170.10.133.124; envelope-from=clg@redhat.com;\n helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-0.001,\n 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 <qemu-devel.nongnu.org>","List-Unsubscribe":"<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>","List-Archive":"<https://lists.nongnu.org/archive/html/qemu-devel>","List-Post":"<mailto:qemu-devel@nongnu.org>","List-Help":"<mailto:qemu-devel-request@nongnu.org?subject=help>","List-Subscribe":"<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Pierrick Bouvier <pierrick.bouvier@linaro.org>\n\nWe just need to add kvm_enabled() guard when calling concerned\nfunctions, but no need to extract those kvm functions since they are not\nusing any kvm specific types that would not be visible at compilation\ntime.\n\nReviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nSigned-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>\nReviewed-by: Cédric Le Goater <clg@redhat.com>\nTested-by: Cédric Le Goater <clg@redhat.com>\nTested-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nLink: https://lore.kernel.org/qemu-devel/20260318174733.1717643-6-pierrick.bouvier@linaro.org\nSigned-off-by: Cédric Le Goater <clg@redhat.com>\n---\n hw/vfio/pci.c | 28 ++++++++++------------------\n 1 file changed, 10 insertions(+), 18 deletions(-)","diff":"diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c\nindex 1f1f3aaad9a901a087ecad1b5c46e8756b3a6339..b2a07f6bb4217bcacead194ce75b359b1896ef3a 100644\n--- a/hw/vfio/pci.c\n+++ b/hw/vfio/pci.c\n@@ -152,7 +152,6 @@ void vfio_pci_intx_eoi(VFIODevice *vbasedev)\n \n static bool vfio_intx_enable_kvm(VFIOPCIDevice *vdev, Error **errp)\n {\n-#ifdef CONFIG_KVM\n     PCIDevice *pdev = PCI_DEVICE(vdev);\n     int irq_fd = event_notifier_get_fd(&vdev->intx.interrupt);\n \n@@ -206,14 +205,10 @@ fail:\n     qemu_set_fd_handler(irq_fd, vfio_intx_interrupt, NULL, vdev);\n     vfio_device_irq_unmask(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX);\n     return false;\n-#else\n-    return true;\n-#endif\n }\n \n static bool vfio_cpr_intx_enable_kvm(VFIOPCIDevice *vdev, Error **errp)\n {\n-#ifdef CONFIG_KVM\n     if (vdev->no_kvm_intx || !kvm_irqfds_enabled() ||\n         vdev->intx.route.mode != PCI_INTX_ENABLED ||\n         !kvm_resamplefds_enabled()) {\n@@ -236,14 +231,10 @@ static bool vfio_cpr_intx_enable_kvm(VFIOPCIDevice *vdev, Error **errp)\n     vdev->intx.kvm_accel = true;\n     trace_vfio_intx_enable_kvm(vdev->vbasedev.name);\n     return true;\n-#else\n-    return true;\n-#endif\n }\n \n static void vfio_intx_disable_kvm(VFIOPCIDevice *vdev)\n {\n-#ifdef CONFIG_KVM\n     PCIDevice *pdev = PCI_DEVICE(vdev);\n \n     if (!vdev->intx.kvm_accel) {\n@@ -277,7 +268,6 @@ static void vfio_intx_disable_kvm(VFIOPCIDevice *vdev)\n     vfio_device_irq_unmask(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX);\n \n     trace_vfio_intx_disable_kvm(vdev->vbasedev.name);\n-#endif\n }\n \n static void vfio_intx_update(VFIOPCIDevice *vdev, PCIINTxRoute *route)\n@@ -287,7 +277,9 @@ static void vfio_intx_update(VFIOPCIDevice *vdev, PCIINTxRoute *route)\n     trace_vfio_intx_update(vdev->vbasedev.name,\n                            vdev->intx.route.irq, route->irq);\n \n-    vfio_intx_disable_kvm(vdev);\n+    if (kvm_enabled()) {\n+        vfio_intx_disable_kvm(vdev);\n+    }\n \n     vdev->intx.route = *route;\n \n@@ -295,7 +287,7 @@ static void vfio_intx_update(VFIOPCIDevice *vdev, PCIINTxRoute *route)\n         return;\n     }\n \n-    if (!vfio_intx_enable_kvm(vdev, &err)) {\n+    if (kvm_enabled() && !vfio_intx_enable_kvm(vdev, &err)) {\n         warn_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);\n     }\n \n@@ -350,16 +342,14 @@ static bool vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp)\n     vdev->intx.pin = pin - 1; /* Pin A (1) -> irq[0] */\n     pci_config_set_interrupt_pin(pdev->config, pin);\n \n-#ifdef CONFIG_KVM\n     /*\n      * Only conditional to avoid generating error messages on platforms\n      * where we won't actually use the result anyway.\n      */\n-    if (kvm_irqfds_enabled() && kvm_resamplefds_enabled()) {\n+    if (kvm_enabled() && kvm_irqfds_enabled() && kvm_resamplefds_enabled()) {\n         vdev->intx.route = pci_device_route_intx_to_irq(pdev,\n                                                         vdev->intx.pin);\n     }\n-#endif\n \n     if (!vfio_notifier_init(vdev, &vdev->intx.interrupt, \"intx-interrupt\", 0,\n                             errp)) {\n@@ -370,7 +360,7 @@ static bool vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp)\n \n \n     if (cpr_is_incoming()) {\n-        if (!vfio_cpr_intx_enable_kvm(vdev, &err)) {\n+        if (kvm_enabled() && !vfio_cpr_intx_enable_kvm(vdev, &err)) {\n             warn_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);\n         }\n         goto skip_signaling;\n@@ -383,7 +373,7 @@ static bool vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp)\n         return false;\n     }\n \n-    if (!vfio_intx_enable_kvm(vdev, &err)) {\n+    if (kvm_enabled() && !vfio_intx_enable_kvm(vdev, &err)) {\n         warn_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);\n     }\n \n@@ -400,7 +390,9 @@ static void vfio_intx_disable(VFIOPCIDevice *vdev)\n     int fd;\n \n     timer_del(vdev->intx.mmap_timer);\n-    vfio_intx_disable_kvm(vdev);\n+    if (kvm_enabled()) {\n+        vfio_intx_disable_kvm(vdev);\n+    }\n     vfio_device_irq_disable(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX);\n     vdev->intx.pending = false;\n     pci_irq_deassert(pdev);\n","prefixes":["PULL","05/14"]}