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[2001:16b8:2d5d:5a00:6e2:6153:20d1:d4db]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c98d39a9a2sm974438a12.0.2024.10.15.11.52.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2024 11:52:03 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 93606f18-8b26-11ef-99a2-01e77a169b0f DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1729018326; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=op+AvZ1YCKZsOQFtb06qEXzMr+HQn8e2wB0EdtWp+RY=; b=ddpmrUXjdjLqmJe7js0QjV1g/HoJbIEbr+X8oYEuAhiBMOF9rUMdp4/Z8976ihE8aEEfpu iIh+EoFPsrDWPlC0kRU/VwbQsQ6KEa0dtpHkHHK3e9gRXWRWyjGuP8Nu/lYu7cf+gZ/0P5 qsnKf2E2uqY9cGwx7+Dc9HTRxz5xmfE= X-MC-Unique: aYi3jVLMMhqFM3EgbhOKpg-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729018324; x=1729623124; 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=op+AvZ1YCKZsOQFtb06qEXzMr+HQn8e2wB0EdtWp+RY=; b=EiMn1ymxiXBi4TVebUnaAMR+cEVE7PrFO2OXc+ZjfhAR5nmkEw7SjKU2BFoMEr++T8 Bvb4daMhV6IpF7oSJbKQlN9UdEiEIPMy+nBUl3iTP1TFy0NuRfJHtdAjQuMofHHaseiA msa2/UxKRg7c+1l05lazbeO95OJrlkjKgTJRtvsBEWZ4VaN1NJtk+8xo01dZr68hC9VC g2t6DjEhp+FZ3Ngftdan+KQmmy8C7j2mms7gjqwyv8Dqc0j1XqFXTLNuLoLWIMoo5Ss+ BWEKTDVeq0EjwEhDgO0uyDFtBYySzYa3Wk6DSIGyA9vcbs+7rZ69VRiPmyhGt8+lrmAY AKjw== X-Forwarded-Encrypted: i=1; AJvYcCUqWOJMMgOV6FiRVaIke2idFNORuFW+XSLk/Py4MKX49FyrTjA24mLZguA51y73GhSWLNPpwQ162T0=@lists.xenproject.org X-Gm-Message-State: AOJu0YyC/0naRIJTSKxXG7Dg1uPBYs+LIi4XTyM4smMtLWZI8jL4qCKP vI7cihrXNqbCgtMjwgeWUXi0mcoROWlWa3Qtyzc7dmfDmxbjOzvviWhKheOYXbB5wxJheGU5bWy BVnaQzycEuLLdfYpxrtyivrQltX//WswEJWmKmgiMcDN+dG8v84S/g+ASCPoS+MwH X-Received: by 2002:a05:6402:548c:b0:5c9:3ff:2734 with SMTP id 4fb4d7f45d1cf-5c948cb2e85mr11413464a12.12.1729018324143; Tue, 15 Oct 2024 11:52:04 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH9Mt+tYXeO52xhZKwKuRloVsALYEKQc2I21vAq135PHqTEanBCUagfu1NmMBeK/O6BxAgzuw== X-Received: by 2002:a05:6402:548c:b0:5c9:3ff:2734 with SMTP id 4fb4d7f45d1cf-5c948cb2e85mr11413425a12.12.1729018323667; Tue, 15 Oct 2024 11:52:03 -0700 (PDT) From: Philipp Stanner To: Damien Le Moal , Niklas Cassel , Sergey Shtylyov , Basavaraj Natikar , Jiri Kosina , Benjamin Tissoires , Arnd Bergmann , Greg Kroah-Hartman , Alex Dubov , Sudarsana Kalluru , Manish Chopra , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rasesh Mody , GR-Linux-NIC-Dev@marvell.com, Igor Mitsyanko , Sergey Matyukevich , Kalle Valo , Sanjay R Mehta , Shyam Sundar S K , Jon Mason , Dave Jiang , Allen Hubbe , Bjorn Helgaas , Alex Williamson , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Jaroslav Kysela , Takashi Iwai , Chen Ni , Mario Limonciello , Philipp Stanner , Ricky Wu , Al Viro , Breno Leitao , Kevin Tian , Thomas Gleixner , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Andy Shevchenko , Mostafa Saleh , Jason Gunthorpe , Yi Liu , Christian Brauner , Ankit Agrawal , Eric Auger , Reinette Chatre , Ye Bin , =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?= , Pierre-Louis Bossart , Peter Ujfalusi , Maarten Lankhorst , Kai Vehmanen , Rui Salvaterra Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, ntb@lists.linux.dev, linux-pci@vger.kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, linux-sound@vger.kernel.org Subject: [PATCH 07/13] vfio/pci: Use never-managed version of pci_intx() Date: Tue, 15 Oct 2024 20:51:17 +0200 Message-ID: <20241015185124.64726-8-pstanner@redhat.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241015185124.64726-1-pstanner@redhat.com> References: <20241015185124.64726-1-pstanner@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1729018363392116600 Content-Type: text/plain; charset="utf-8"; x-default="true" pci_intx() is a hybrid function which can sometimes be managed through devres. To remove this hybrid nature from pci_intx(), it is necessary to port users to either an always-managed or a never-managed version. vfio enables its PCI-Device with pci_enable_device(). Thus, it needs the never-managed version. Replace pci_intx() with pci_intx_unmanaged(). Signed-off-by: Philipp Stanner --- drivers/vfio/pci/vfio_pci_core.c | 2 +- drivers/vfio/pci/vfio_pci_intrs.c | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_c= ore.c index 1ab58da9f38a..90240c8d51aa 100644 --- a/drivers/vfio/pci/vfio_pci_core.c +++ b/drivers/vfio/pci/vfio_pci_core.c @@ -498,7 +498,7 @@ int vfio_pci_core_enable(struct vfio_pci_core_device *v= dev) if (vfio_pci_nointx(pdev)) { pci_info(pdev, "Masking broken INTx support\n"); vdev->nointx =3D true; - pci_intx(pdev, 0); + pci_intx_unmanaged(pdev, 0); } else vdev->pci_2_3 =3D pci_intx_mask_supported(pdev); } diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_= intrs.c index 8382c5834335..40abb0b937a2 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -118,7 +118,7 @@ static bool __vfio_pci_intx_mask(struct vfio_pci_core_d= evice *vdev) */ if (unlikely(!is_intx(vdev))) { if (vdev->pci_2_3) - pci_intx(pdev, 0); + pci_intx_unmanaged(pdev, 0); goto out_unlock; } =20 @@ -132,7 +132,7 @@ static bool __vfio_pci_intx_mask(struct vfio_pci_core_d= evice *vdev) * mask, not just when something is pending. */ if (vdev->pci_2_3) - pci_intx(pdev, 0); + pci_intx_unmanaged(pdev, 0); else disable_irq_nosync(pdev->irq); =20 @@ -178,7 +178,7 @@ static int vfio_pci_intx_unmask_handler(void *opaque, v= oid *data) */ if (unlikely(!is_intx(vdev))) { if (vdev->pci_2_3) - pci_intx(pdev, 1); + pci_intx_unmanaged(pdev, 1); goto out_unlock; } =20 @@ -296,7 +296,7 @@ static int vfio_intx_enable(struct vfio_pci_core_device= *vdev, */ ctx->masked =3D vdev->virq_disabled; if (vdev->pci_2_3) { - pci_intx(pdev, !ctx->masked); + pci_intx_unmanaged(pdev, !ctx->masked); irqflags =3D IRQF_SHARED; } else { irqflags =3D ctx->masked ? IRQF_NO_AUTOEN : 0; @@ -569,7 +569,7 @@ static void vfio_msi_disable(struct vfio_pci_core_devic= e *vdev, bool msix) * via their shutdown paths. Restore for NoINTx devices. */ if (vdev->nointx) - pci_intx(pdev, 0); + pci_intx_unmanaged(pdev, 0); =20 vdev->irq_type =3D VFIO_PCI_NUM_IRQS; } --=20 2.47.0