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[34.140.140.54]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429c13ebfe8sm19975798f8f.35.2025.11.03.01.55.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Nov 2025 01:55:39 -0800 (PST) Date: Mon, 3 Nov 2025 09:55:36 +0000 From: Mostafa Saleh To: Jason Gunthorpe Cc: Alexander Gordeev , David Airlie , Alex Williamson , Ankit Agrawal , Christian Borntraeger , Brett Creeley , dri-devel@lists.freedesktop.org, Eric Auger , Eric Farman , Giovanni Cabiddu , Vasily Gorbik , Heiko Carstens , intel-gfx@lists.freedesktop.org, Jani Nikula , Joonas Lahtinen , Kevin Tian , kvm@vger.kernel.org, Kirti Wankhede , linux-s390@vger.kernel.org, Longfang Liu , Matthew Rosato , Nikhil Agarwal , Nipun Gupta , Peter Oberparleiter , Halil Pasic , Pranjal Shrivastava , qat-linux@intel.com, Rodrigo Vivi , Simona Vetter , Shameer Kolothum , Sven Schnelle , Tvrtko Ursulin , virtualization@lists.linux.dev, Vineeth Vijayan , Yishai Hadas , Zhenyu Wang , Zhi Wang , patches@lists.linux.dev Subject: Re: [PATCH 14/22] vfio: Require drivers to implement get_region_info Message-ID: References: <0-v1-679a6fa27d31+209-vfio_get_region_info_op_jgg@nvidia.com> <14-v1-679a6fa27d31+209-vfio_get_region_info_op_jgg@nvidia.com> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <14-v1-679a6fa27d31+209-vfio_get_region_info_op_jgg@nvidia.com> On Thu, Oct 23, 2025 at 08:09:28PM -0300, Jason Gunthorpe wrote: > Remove the fallback through the ioctl callback, no drivers use this now. > > Signed-off-by: Jason Gunthorpe Reviewed-by: Mostafa Saleh Thanks, Mostafa > --- > drivers/vfio/vfio_main.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c > index a390163ce706c4..f056e82ba35075 100644 > --- a/drivers/vfio/vfio_main.c > +++ b/drivers/vfio/vfio_main.c > @@ -1297,13 +1297,13 @@ static long vfio_device_fops_unl_ioctl(struct file *filep, > break; > > case VFIO_DEVICE_GET_REGION_INFO: > - if (!device->ops->get_region_info) > - goto ioctl_fallback; > - ret = device->ops->get_region_info(device, uptr); > + if (unlikely(!device->ops->get_region_info)) > + ret = -EINVAL; > + else > + ret = device->ops->get_region_info(device, uptr); > break; > > default: > -ioctl_fallback: > if (unlikely(!device->ops->ioctl)) > ret = -EINVAL; > else > -- > 2.43.0 >