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From: Segher Boessenkool <segher@kernel.crashing.org>
To: Raz <raziebe@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: Looking for architecture papers
Date: Mon, 8 Oct 2018 14:29:24 -0500	[thread overview]
Message-ID: <20181008192924.GR29268@gate.crashing.org> (raw)
In-Reply-To: <CAPB=Z-qC+Xgwyb=WAD-r_TYWWRRrpLJT6jFzCfKLtkNVn_FDUg@mail.gmail.com>

On Mon, Oct 08, 2018 at 07:44:12PM +0300, Raz wrote:
> Both systemsim and my powerpc server boots with MSR_HV=1, i.e, hypervisor state.
> Is there away to fix that ? writing to the MSR cannot work according
> the documentation ( and reality ).

But that is what you do: you write HV=0 in MSR.  After doing other setup,
of course.

On some hardware you cannot set HV=0.  You cannot do logical partitioning
on such hardware.  PowerMac G5 comes to mind.


Segher

  reply	other threads:[~2018-10-08 19:31 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-29 21:24 Looking for architecture papers Raz
2018-09-29 22:13 ` Segher Boessenkool
2018-09-30  7:05   ` Raz
2018-09-30  8:56     ` Segher Boessenkool
2018-10-03  4:07 ` Michael Ellerman
2018-10-04  7:41   ` Raz
2018-10-04  8:46     ` Segher Boessenkool
2018-10-04 10:16     ` Gabriel Paubert
2018-10-06  9:19       ` Raz
2018-10-06 12:27         ` Segher Boessenkool
2018-10-08 16:44           ` Raz
2018-10-08 19:29             ` Segher Boessenkool [this message]
2018-10-08 19:59     ` Gustavo Romero
2018-10-13  0:27       ` Raz

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