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

Dave Hansen
2002-04-29T17:53:25Z

Roman Zippel wrote:
> The BKL doesn't make a driver safe, remember that it's released on
> schedule.

Not safe, but _safer_, and definitely safe enough for almost all uses.
Some of the drivers rely on the fact that open() cannot be run
concurrently. The BKL does provide this if open never blocks.

--
Dave Hansen
haveblue@us.ibm.com