From: William Lee Irwin III <wli@holomorphy.com>
To: Russell King <rmk@arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Serial: updated serial drivers
Date: Mon, 15 Jul 2002 11:17:39 -0700 [thread overview]
Message-ID: <20020715181739.GJ21551@holomorphy.com> (raw)
In-Reply-To: <20020715122455.A14493@flint.arm.linux.org.uk>
On Mon, Jul 15, 2002 at 04:01:35AM -0700, William Lee Irwin III wrote:
>> the profiling results were for a kernel without the new serial stuff.
>> The new serial stuff appears to need some arch compatibility auditing/
>> fixes for NUMA-Q.
On Mon, Jul 15, 2002 at 12:24:55PM +0100, Russell King wrote:
> I am not aware of any architecture specific code in the new serial
> code, with the exception of a couple of writes to port 0x80 for i386
> architectures (which the original serial.c driver did as well.)
> Can you give an idea where it fails/kernel messages please?
It's not obvious to me, either, I actually read the stuff and didn't
see where the problem could be.
It appeared to fail before console_init(). The system is largely
dedicated to other projects so there will be a bit of turnaround time
between test runs. I'll probably be able to pinpoint the point of
failure later tonight.
Cheers,
Bill
next prev parent reply other threads:[~2002-07-15 18:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-07 0:00 Russell King
2002-07-07 10:01 ` Miquel van Smoorenburg
2002-07-15 10:03 ` William Lee Irwin III
2002-07-15 11:01 ` William Lee Irwin III
2002-07-15 11:24 ` Russell King
2002-07-15 18:17 ` William Lee Irwin III [this message]
2002-07-15 14:25 ` Dave Hansen
2002-07-07 14:15 Marko Kohtala
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