From: Scott Wood <scottwood@freescale.com>
To: Alexander Graf <agraf@suse.de>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
QEMU Developers <qemu-devel@nongnu.org>,
Bharat Bhushan <bharat.bhushan@freescale.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Paul Mackerras <paulus@samba.org>,
Badari Pulavarty <pbadari@linux.vnet.ibm.com>,
"list@suse.de:PReP" <qemu-ppc@nongnu.org>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [PATCH v3] ppc: introduce CPUPPCState::cpu_dt_id
Date: Mon, 4 Nov 2013 13:42:28 -0600 [thread overview]
Message-ID: <1383594148.25829.6.camel@snotra.buserror.net> (raw)
In-Reply-To: <50BDF498-54CD-45C6-AB84-F7F1252FD8F6@suse.de>
On Mon, 2013-11-04 at 10:41 +0100, Alexander Graf wrote:
> What we really have are 3 semantically separate entities:
>
> * QEMU internal cpu id
> * KVM internal cpu id
> * DT exposed cpu id
>
> As you have noted, it's a good idea to keep the QEMU internal cpu id
> linear, thus completely separate from the others. The DT exposed cpu id
> should be 100% local to hw/ppc/spapr*.c. I don't think any code outside
> of the DT generation and anything that accesses the "Virtual Processor
> Number" in sPAPR needs to care about the DT cpu id. All that code is
> 100% KVM agnostic.
This patch isn't just for sPAPR... On e500 the DT cpu id is supposed to
match the MPIC cpu id.
-Scott
next prev parent reply other threads:[~2013-11-04 19:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-04 1:10 [Qemu-devel] [PATCH v3] ppc: introduce CPUPPCState::cpu_dt_id Alexey Kardashevskiy
2013-11-04 9:41 ` Alexander Graf
2013-11-04 9:58 ` Alexey Kardashevskiy
2013-11-04 10:13 ` Alexander Graf
2013-11-04 19:42 ` Scott Wood [this message]
2013-11-05 1:26 ` Alexey Kardashevskiy
2013-11-05 1:48 ` Scott Wood
2013-11-05 6:00 ` Alexander Graf
2013-11-06 1:04 ` Scott Wood
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1383594148.25829.6.camel@snotra.buserror.net \
--to=scottwood@freescale.com \
--cc=agraf@suse.de \
--cc=aik@ozlabs.ru \
--cc=bharat.bhushan@freescale.com \
--cc=david@gibson.dropbear.id.au \
--cc=paulus@samba.org \
--cc=pbadari@linux.vnet.ibm.com \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).