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Subject: Re: [patch] O(1) scheduler, -H5
To: rmk@arm.linux.org.uk (Russell King)
Date: Fri, 11 Jan 2002 13:09:03 +0000 (GMT)
Cc: mingo@elte.hu (Ingo Molnar), torvalds@transmeta.com (Linus Torvalds),
        linux-kernel@vger.kernel.org
In-Reply-To: <20020111113131.C30756@flint.arm.linux.org.uk> from "Russell King" at Jan 11, 2002 11:31:31 AM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> 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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