RE: Device node - How does kernel know about it

nux-kernel@vger.kernel.org Subject: Re: Device node - How does kernel know about it Siva Prasad wrote: > Hi, > > How do the device nodes work as an interface between user and kernel > programs, and how to go debugging it? > This is as part of my debugging effort on an embedded board. The file

Re: Device node - How does kernel know about it

Siva Prasad wrote: Hi, How do the device nodes work as an interface between user and kernel programs, and how to go debugging it? This is as part of my debugging effort on an embedded board. The filesystem sets specific bits in the mode mask and elsewhere in the inode to mark the file as a d

Device node - How does kernel know about it

Hi, How do the device nodes work as an interface between user and kernel programs, and how to go debugging it? This is as part of my debugging effort on an embedded board. * It all started with the problem of "not printing" any thing that comes from ramdisk (echo and printf statements), while ke