From: Jes Sorensen <jes@linuxcare.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: parisc-linux@parisc-linux.org
Subject: Re: [parisc-linux] FB cleanups
Date: 17 Apr 2001 20:04:53 +0200 [thread overview]
Message-ID: <d366g3xv0a.fsf@lxplus015.cern.ch> (raw)
In-Reply-To: Alan Cox's message of "Fri, 13 Apr 2001 19:11:52 +0100 (BST)"
>>>>> "Alan" == Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
>> Well time to go study the bus behaviors and compare them then. How
>> does gsc behave wrt cache coherency, read-around-write, write
>> ordering etc etc.
Alan> And ISA is noticable for the fact it doesnt behave quite like
Alan> PCI. You use readb/readw/readl on ISA.
Yes, except that ISA has stronger semantics than PCI.
>> Using writeb on a gsc is misleading everybody else who reads the
>> code into believing that it's a PCI device.
Alan> Rubbish.
Unfortunately not, look at the fb code to see the chaos.
Jes
next prev parent reply other threads:[~2001-04-17 18:04 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-11 20:13 [parisc-linux] FB cleanups Matthew Wilcox
2001-04-11 20:30 ` Jes Sorensen
2001-04-11 20:34 ` Matthew Wilcox
2001-04-11 20:43 ` Jes Sorensen
2001-04-11 22:51 ` Matthew Wilcox
2001-04-11 22:56 ` Jes Sorensen
2001-04-11 23:00 ` Alan Cox
2001-04-12 18:48 ` Jes Sorensen
2001-04-13 7:04 ` Grant Grundler
2001-04-13 12:52 ` Alan Cox
2001-04-13 17:52 ` Grant Grundler
2001-04-13 18:13 ` Alan Cox
2001-04-11 23:36 ` Matthew Wilcox
2001-04-13 16:48 ` Jes Sorensen
2001-04-13 18:11 ` Alan Cox
2001-04-17 18:04 ` Jes Sorensen [this message]
2001-04-17 18:22 ` Matthew Wilcox
2001-04-17 19:57 ` Alan Cox
2001-04-13 7:02 ` Grant Grundler
2001-04-13 16:49 ` Jes Sorensen
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