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Tsirkin" To: David Hildenbrand Subject: Re: [PATCH RFC] virtio: wrap config->reset calls Message-ID: <20211013081632-mutt-send-email-mst@kernel.org> References: <20211013105226.20225-1-mst@redhat.com> <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> MIME-Version: 1.0 In-Reply-To: <2060bd96-5884-a1b5-9f29-7fe670dc088d@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: Latchesar Ionkov , nvdimm@lists.linux.dev, v9fs-developer@lists.sourceforge.net, Stefan Hajnoczi , kvm@vger.kernel.org, Dominique Martinet , David Airlie , Viresh Kumar , Jason Wang , linux-remoteproc@vger.kernel.org, alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, netdev@vger.kernel.org, Gerd Hoffmann , linux-scsi@vger.kernel.org, Will Deacon , Anton Ivanov , Jean-Philippe Brucker , Linus Walleij , Dave Jiang , Herbert Xu , linux-arm-kernel@lists.infradead.org, Miklos Szeredi , Richard Weinberger , Bartosz Golaszewski , Takashi Iwai , Gonglei , Kalle Valo , "Martin K. Petersen" , "James E.J. Bottomley" , Jakub Kicinski , Ira Weiny , virtualization@lists.linux-foundation.org, Jeff Dike , Vivek Goyal , Stefano Garzarella , Ohad Ben-Cohen , Johan Hedberg , Arnd Bergmann , Amit Shah , Eric Van Hensbergen , Marcel Holtmann , linux-um@lists.infradead.org, linux-crypto@vger.kernel.org, linux-block@vger.kernel.org, Vishal Verma , Luiz Augusto von Dentz , Matt Mackall , Dan Williams , Jaroslav Kysela , Cristian Marussi , Jens Axboe , Jie Deng , Mathieu Poirier , linux-gpio@vger.kernel.org, Greg Kroah-Hartman , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-bluetooth@vger.kernel.org, iommu@lists.linux-foundation.org, Anton Yakovlev , Daniel Vetter , Sudeep Holla , linux-fsdevel@vger.kernel.org, Paolo Bonzini , Johannes Berg , "Enrico Weigelt, metux IT consult" , "David S. Miller" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, Oct 13, 2021 at 01:03:46PM +0200, David Hildenbrand wrote: > On 13.10.21 12:55, Michael S. Tsirkin wrote: > > This will enable cleanups down the road. > > The idea is to disable cbs, then add "flush_queued_cbs" callback > > as a parameter, this way drivers can flush any work > > queued after callbacks have been disabled. > > > > Signed-off-by: Michael S. Tsirkin > > --- > > arch/um/drivers/virt-pci.c | 2 +- > > drivers/block/virtio_blk.c | 4 ++-- > > drivers/bluetooth/virtio_bt.c | 2 +- > > drivers/char/hw_random/virtio-rng.c | 2 +- > > drivers/char/virtio_console.c | 4 ++-- > > drivers/crypto/virtio/virtio_crypto_core.c | 8 ++++---- > > drivers/firmware/arm_scmi/virtio.c | 2 +- > > drivers/gpio/gpio-virtio.c | 2 +- > > drivers/gpu/drm/virtio/virtgpu_kms.c | 2 +- > > drivers/i2c/busses/i2c-virtio.c | 2 +- > > drivers/iommu/virtio-iommu.c | 2 +- > > drivers/net/caif/caif_virtio.c | 2 +- > > drivers/net/virtio_net.c | 4 ++-- > > drivers/net/wireless/mac80211_hwsim.c | 2 +- > > drivers/nvdimm/virtio_pmem.c | 2 +- > > drivers/rpmsg/virtio_rpmsg_bus.c | 2 +- > > drivers/scsi/virtio_scsi.c | 2 +- > > drivers/virtio/virtio.c | 5 +++++ > > drivers/virtio/virtio_balloon.c | 2 +- > > drivers/virtio/virtio_input.c | 2 +- > > drivers/virtio/virtio_mem.c | 2 +- > > fs/fuse/virtio_fs.c | 4 ++-- > > include/linux/virtio.h | 1 + > > net/9p/trans_virtio.c | 2 +- > > net/vmw_vsock/virtio_transport.c | 4 ++-- > > sound/virtio/virtio_card.c | 4 ++-- > > 26 files changed, 39 insertions(+), 33 deletions(-) > > > > diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c > > index c08066633023..22c4d87c9c15 100644 > > --- a/arch/um/drivers/virt-pci.c > > +++ b/arch/um/drivers/virt-pci.c > > @@ -616,7 +616,7 @@ static void um_pci_virtio_remove(struct virtio_device *vdev) > > int i; > > /* Stop all virtqueues */ > > - vdev->config->reset(vdev); > > + virtio_reset_device(vdev); > > vdev->config->del_vqs(vdev); > > Nit: virtio_device_reset()? > > Because I see: > > int virtio_device_freeze(struct virtio_device *dev); > int virtio_device_restore(struct virtio_device *dev); > void virtio_device_ready(struct virtio_device *dev) > > But well, there is: > void virtio_break_device(struct virtio_device *dev); Exactly. I don't know what's best, so I opted for plain english :) > -- > Thanks, > > David / dhildenb _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu