From: David Edelsohn <dje@watson.ibm.com>
To: Richard Henderson <rth@cygnus.com>
Cc: Paul.Mackerras@cs.anu.edu.au, Jes.Sorensen@cern.ch,
Geert.Uytterhoeven@cs.kuleuven.ac.be,
linuxppc-dev@lists.linuxppc.org, linux-fbdev@vuser.vu.union.edu
Subject: Re: [linux-fbdev] Re: readl() and friends and eieio on PPC
Date: Thu, 12 Aug 1999 01:16:14 -0400 [thread overview]
Message-ID: <9908120516.AA43198@marc.watson.ibm.com> (raw)
In-Reply-To: Message from Richard Henderson <rth@cygnus.com> of "Wed, 11 Aug 1999 21:40:49 PDT." <19990811214049.A14692@cygnus.com>
>>>>> Richard Henderson writes:
>> My position is that if you can provide the ordering at essentially
>> zero cost, then it is an advantage to have it since more drivers will
>> work that way.
Richard> But it isn't zero cost. It's not high cost, but that's not the same thing.
Is your assumption that you want to provide the infrastructure to
write high-performance device drivers or to write device drivers that
don't require as much expertise and knowledge to produce correct results?
There are conflicting goals in this design providing different benefits to
Linux.
David
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next prev parent reply other threads:[~1999-08-12 5:16 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-08-09 8:17 readl() and friends and eieio on PPC Geert Uytterhoeven
1999-08-09 17:19 ` David A. Gatwood
1999-08-10 1:00 ` Paul Mackerras
1999-08-10 7:18 ` [linux-fbdev] " Jes Sorensen
1999-08-11 0:23 ` Paul Mackerras
1999-08-11 7:23 ` Jes Sorensen
1999-08-11 7:38 ` Richard Henderson
1999-08-12 0:13 ` Paul Mackerras
1999-08-12 1:39 ` Peter Chang
1999-08-12 4:52 ` Paul Mackerras
1999-08-12 6:17 ` Peter Chang
1999-08-12 0:17 ` Paul Mackerras
1999-08-12 4:40 ` Richard Henderson
1999-08-12 5:00 ` Paul Mackerras
1999-08-12 5:43 ` Richard Henderson
1999-08-12 7:07 ` Paul Mackerras
1999-08-12 7:33 ` Richard Henderson
1999-08-12 9:58 ` Paul Mackerras
1999-08-12 12:31 ` Geert Uytterhoeven
1999-08-13 12:18 ` Paul Mackerras
1999-08-18 11:02 ` Gabriel Paubert
1999-08-13 18:33 ` Richard Henderson
1999-08-12 5:16 ` David Edelsohn [this message]
1999-08-12 5:27 ` Paul Mackerras
1999-08-12 5:52 ` Richard Henderson
1999-08-12 7:11 ` Paul Mackerras
1999-08-12 7:32 ` Jes Sorensen
1999-08-11 23:52 ` Paul Mackerras
1999-08-12 7:38 ` Jes Sorensen
1999-08-12 19:00 ` David A. Gatwood
1999-08-13 1:51 ` Paul Mackerras
[not found] <Pine.LNX.3.96.990813143741.27557B-100000@mvista.com>
[not found] ` <d3so5mdyta.fsf@lxp03.cern.ch>
1999-08-14 18:34 ` Geert Uytterhoeven
1999-08-14 18:36 ` David A. Gatwood
1999-08-14 19:48 ` Jes Sorensen
1999-08-15 1:28 ` David A. Gatwood
1999-08-14 21:39 ` Richard Henderson
1999-08-15 23:16 ` Paul Mackerras
1999-08-16 0:29 ` Richard Henderson
1999-08-16 7:11 ` Jes Sorensen
[not found] <m3672hkxri.fsf@soma.andreas.org>
1999-08-15 13:39 ` James Simmons
[not found] <d3pv0p72yr.fsf@lxp03.cern.ch>
1999-08-15 19:43 ` David A. Gatwood
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