Re: devfs: BKL *not* taken while opening devices

Dave Hansen (haveblue@us.ibm.com)
Mon, 29 Apr 2002 08:30:54 -0700

Russell King wrote:
> Kernel 2.5.8... Devfs devfs_open() bypasses the normal chrdev_open
> and blkdev_open functions, and misses out taking the BKL. 2.5.10 is
> the same.
>
> Certainly the tty layer (and probably many of the other devices as
> well) require the BKL to be taken before calling the open method.

Has the time come to push the BKL down into all of the driver open()s?
It's going to be a lot of work, but it has to happen eventually, right?

-- 
Dave Hansen
haveblue@us.ibm.com


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