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[79.180.2.31]) by smtp.gmail.com with ESMTPSA id gt7sm5268170ejc.121.2021.02.21.03.26.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Feb 2021 03:26:38 -0800 (PST) Date: Sun, 21 Feb 2021 06:26:35 -0500 From: "Michael S. Tsirkin" To: Tang Bin Subject: Re: [PATCH] virtio-mmio: Use to_virtio_mmio_device() to simply code Message-ID: <20210221062628-mutt-send-email-mst@kernel.org> References: <20210210030401.5532-1-tangbin@cmss.chinamobile.com> <740b0c1f-24d4-de31-8753-4c5ec07b92f9@cmss.chinamobile.com> MIME-Version: 1.0 In-Reply-To: <740b0c1f-24d4-de31-8753-4c5ec07b92f9@cmss.chinamobile.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: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: 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[79.180.2.31]) by smtp.gmail.com with ESMTPSA id gt7sm5268170ejc.121.2021.02.21.03.26.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Feb 2021 03:26:38 -0800 (PST) Date: Sun, 21 Feb 2021 06:26:35 -0500 From: "Michael S. Tsirkin" To: Tang Bin Cc: Jason Wang , virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] virtio-mmio: Use to_virtio_mmio_device() to simply code Message-ID: <20210221062628-mutt-send-email-mst@kernel.org> References: <20210210030401.5532-1-tangbin@cmss.chinamobile.com> <740b0c1f-24d4-de31-8753-4c5ec07b92f9@cmss.chinamobile.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <740b0c1f-24d4-de31-8753-4c5ec07b92f9@cmss.chinamobile.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 18, 2021 at 09:34:08AM +0800, Tang Bin wrote: > Dear Jason： > >       Sorry for the late reply this email. > > 在 2021/2/10 16:09, Jason Wang 写道: > > > > On 2021/2/10 上午11:04, Tang Bin wrote: > > > The file virtio_mmio.c has defined the function to_virtio_mmio_device, > > > so use it instead of container_of() to simply code. And remove > > > superfluous blank lines in this file. > > > > > > Signed-off-by: Tang Bin > > > --- > > >   drivers/virtio/virtio_mmio.c | 16 +--------------- > > >   1 file changed, 1 insertion(+), 15 deletions(-) > > > > > > diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c > > > index 627ac0487..449d0f209 100644 > > > --- a/drivers/virtio/virtio_mmio.c > > > +++ b/drivers/virtio/virtio_mmio.c > > > @@ -69,14 +69,10 @@ > > >   #include > > >   #include > > >   - > > > - > > > > > > It's better not mix the patch with style changes. > > > > Other looks good. > > > > Thanks > > Whether should I send patch V2？ > > Thanks Please do. > > > > > > >   /* The alignment to use between consumer and producer parts of vring. > > >    * Currently hardcoded to the page size. */ > > >   #define VIRTIO_MMIO_VRING_ALIGN        PAGE_SIZE > > >   - > > > - > > >   #define to_virtio_mmio_device(_plat_dev) \ > > >       container_of(_plat_dev, struct virtio_mmio_device, vdev) > > >   @@ -100,8 +96,6 @@ struct virtio_mmio_vq_info { > > >       struct list_head node; > > >   }; > > >   - > > > - > > >   /* Configuration interface */ > > >     static u64 vm_get_features(struct virtio_device *vdev) > > > @@ -264,8 +258,6 @@ static void vm_reset(struct virtio_device *vdev) > > >       writel(0, vm_dev->base + VIRTIO_MMIO_STATUS); > > >   } > > >   - > > > - > > >   /* Transport interface */ > > >     /* the notify function used when creating a virt queue */ > > > @@ -307,8 +299,6 @@ static irqreturn_t vm_interrupt(int irq, void > > > *opaque) > > >       return ret; > > >   } > > >   - > > > - > > >   static void vm_del_vq(struct virtqueue *vq) > > >   { > > >       struct virtio_mmio_device *vm_dev = > > > to_virtio_mmio_device(vq->vdev); > > > @@ -512,13 +502,11 @@ static const struct virtio_config_ops > > > virtio_mmio_config_ops = { > > >       .bus_name    = vm_bus_name, > > >   }; > > >   - > > >   static void virtio_mmio_release_dev(struct device *_d) > > >   { > > >       struct virtio_device *vdev = > > >               container_of(_d, struct virtio_device, dev); > > > -    struct virtio_mmio_device *vm_dev = > > > -            container_of(vdev, struct virtio_mmio_device, vdev); > > > +    struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); > > >       struct platform_device *pdev = vm_dev->pdev; > > >         devm_kfree(&pdev->dev, vm_dev); > > > @@ -608,8 +596,6 @@ static int virtio_mmio_remove(struct > > > platform_device *pdev) > > >       return 0; > > >   } > > >   - > > > - > > >   /* Devices list parameter */ > > >     #if defined(CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES) > > >