Re: [patch] O(1) scheduler, -H5

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 11 Jan 2002 13:09:03 +0000 (GMT)

> The serial driver (old or new) open/close functions are one of the worst
> offenders of the global-cli-and-hold-kernel-lock-and-schedule problem.
> I'm currently working on fixing this in the new serial driver.

Someone fixed serial.c to use spinlocks a long while ago. Its just not
merged
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