linux-kernel - Re: [PATCH 1/1] Userspace I/O (UIO): Add support for userspace DMA

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Message-ID: <20081204005055.GE6981@suse.de>
Date:	Wed, 3 Dec 2008 16:50:55 -0800
From:	Greg KH <gregkh@...e.de>
To:	edward_estabrook@...lent.com
Cc:	linux-kernel@...r.kernel.org, hjk@...utronix.de,
	edward.estabrook@...il.com, edward.estabrook.lkml@...il.com
Subject: Re: [PATCH 1/1] Userspace I/O (UIO): Add support for userspace DMA

On Wed, Dec 03, 2008 at 02:39:44PM -0700, edward_estabrook@...lent.com wrote:
> @@ -82,6 +94,16 @@ static inline int __must_check  extern void uio_unregister_device(struct uio_info *info);  extern void uio_event_notify(struct uio_info *info);
>  
> +/* uio_dev_get_name - return the name associated with this uio device 
> +*/ extern char *uio_dev_get_name(struct uio_device *idev);
> +
> +/* Starting index assigned to dynamically allocated regions. */ #define 
> +UIO_DMA_MEM_BASE_INDEX 1000
> +
> +/* mmap dynamically allocates a DMA memory block if
> + * its offset parameter matches this value. */ #define 
> +UIO_DMA_MEM_ALLOCATE_VM_PGOFF_MAGIC 0xFFFFFUL

Something looks wrong with this patch, is it line wrapped somehow?

odd.

thanks,

greg k-h
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