From: Benjamin Herrenschmidt <bh40@calva•net>
To: Gabriel Paubert <paubert@iram•es>, linuxppc-dev@lists•linuxppc.org
Subject: Re: patch to get latest XFree 4.0 snapshot (xf3918) to work on pp cwith r128
Date: Fri, 10 Mar 2000 14:14:34 +0100 [thread overview]
Message-ID: <20000310141434.019878@mailhost.mipsys.com> (raw)
In-Reply-To: <Pine.HPX.4.10.10003101341450.22162-100000@gra-ux1.iram.es>
On Fri, Mar 10, 2000, Gabriel Paubert <paubert@iram•es> wrote:
>What do you mean with x100 ? Is it a series of PMAC models ? sync and
>eieio perform an address-only bus broadcast that should be terminated by
>the host bridge but never to the PCI bus so they can't crash HW. Is the
>host bridge/memory controller really that buggy ?
Those machines are also known as the NuBus PowerMacs. The adress only
cycle is broadcast on their bus and makes some of Apple's AV cards crash.
>And isync is not irrelevant on any processor since a) it flushes the
>instruction queue and b) it ensures that the effect of all previous
>instructions on machine state is taken into account before the next
>instruction executes (that's important if you change context by changing
>segment registers or modify some MSR bits).
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-03-10 13:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <v03110700b562a526cc14@[129.100.29.243]>
2000-03-09 16:31 ` patch to get latest XFree 4.0 snapshot (xf3918) to work on pp cwith r128 David A. Gatwood
2000-03-10 12:48 ` Gabriel Paubert
2000-03-10 13:14 ` Benjamin Herrenschmidt [this message]
2000-03-10 19:39 ` David A. Gatwood
2000-03-11 15:39 ` Gabriel Paubert
[not found] <Pine.LNX.4.21.0003041753480.1870-100000@idd-01.imbc.gr>
2000-03-04 18:55 ` Kevin Hendricks
2000-03-05 13:42 ` Michel Dänzer
2000-03-05 16:43 ` Kostas Gewrgiou
2000-03-05 16:58 ` Kevin B. Hendricks
2000-03-05 21:04 ` Kostas Gewrgiou
2000-03-05 21:20 ` Geert Uytterhoeven
2000-03-05 22:25 ` Kostas Gewrgiou
2000-03-06 6:54 ` Geert Uytterhoeven
2000-03-09 3:11 ` Kevin Hendricks
2000-03-14 1:12 ` Kevin Hendricks
2000-03-09 2:41 ` Kevin Hendricks
2000-03-09 11:04 ` Gabriel Paubert
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