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xen-ppc-devel
Re: [XenPPC] Should the platform name be "Xen-Maple"
ok, I am confused, and not sure I care until I see the patch that
fives the result you want.
-JX
On Feb 27, 2007, at 5:19 PM, Hollis Blanchard wrote:
"platform" is build-time and comes from define_machine(). That
should be
"Xen".
"machine" we can display ourselves via ppc_md.show_cpuinfo(). We
can get
that from the device tree, just like CHRP does.
On Tue, 2007-02-27 at 16:55 -0500, Jimi Xenidis wrote:
I agree, but in our current Kernel source the string in question
comes from the machine description.
Am I missing something?
-Jx
On Feb 27, 2007, at 3:43 PM, Hollis Blanchard wrote:
Jimi, the context is that we need to modify Fedora's installer so
that
it properly detects the system it's running on. That means we're
implementing a user-visible interface right now. I think "Xen-
Maple" is
a terrible name to permanently commit ourselves to. Let's not.
PPC's cpuinfo seems to have a split between "platform" and
"machine" (where machine is more specific). I think platform =
Xen is
fine, and machine is the underlying machine.
On Tue, 2007-02-27 at 14:56 -0500, Jimi Xenidis wrote:
This comes from the fact that we are running xen from an underlying
host platform.
for example, if you boot linux without xen but on SLOF your machine
name is "Maple".
see:
arch/powerpc/platforms/xen/setup.c define_machine 246
define_machine(xen)
I'd be interested in changing this to "Xen" for DomUs, but Dom0
should reflect the underlying machine type that linux would use
without Xen.
-JX
On Feb 27, 2007, at 2:48 PM, Jerone Young wrote:
In /proc/cpuinfo of a domain0 you see the following:
processor : 0
cpu : PPC970MP, altivec supported
clock : 2300.000000MHz
revision : 1.1 (pvr 0044 0101)
processor : 1
cpu : PPC970MP, altivec supported
clock : 2300.000000MHz
revision : 1.1 (pvr 0044 0101)
processor : 2
cpu : PPC970MP, altivec supported
clock : 2300.000000MHz
revision : 1.1 (pvr 0044 0101)
processor : 3
cpu : PPC970MP, altivec supported
clock : 2300.000000MHz
revision : 1.1 (pvr 0044 0101)
timebase : 14318378
platform : Xen-Maple
The "platform" line "Xen-Maple" is currently used by some tools in
distros to identify the platform of the machine. The question I
pose is
should this be changed from "Xen-Maple" since running on Xen does
not
mean you are running on Maple.
Something like "Xen" would probably be better. What do you guys
think ?
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--
Hollis Blanchard
IBM Linux Technology Center
--
Hollis Blanchard
IBM Linux Technology Center
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