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Date: Sat, 3 Mar 2001 16:24:30 +0000
From: Russell King <rmk@arm.linux.org.uk>
To: linux-kernel@vger.kernel.org
Subject: Re: gettimeofday question
Message-ID: <20010303162346.A1250@flint.arm.linux.org.uk>
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In-Reply-To: <200103031249.f23Cn4R01208@flint.arm.linux.org.uk>; from rmk@arm.linux.org.uk on Sat, Mar 03, 2001 at 12:49:04PM +0000
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On Sat, Mar 03, 2001 at 12:49:04PM +0000, Russell King wrote:
> Further more, while do_gettimeofday() is still within the
> read_lock_irqsave, we spin_unlock(&i8253_lock) in do_slow_gettimeoffset()
> and _re-enable_ interrupts!  This means when we later read xtime, we're
> doing it with interrupts enabled.

Ok, so this is a classic brainfart.  The rest of the original message still
stands though.

--
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html

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