linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Eduardo Habkost <ehabkost@redhat.com>
To: Michael Mueller <mimu@linux.vnet.ibm.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org,
	linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
	Gleb Natapov <gleb@kernel.org>, Alexander Graf <agraf@suse.de>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	"Jason J. Herne" <jjherne@linux.vnet.ibm.com>,
	Cornelia Huck <cornelia.huck@de.ibm.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Andreas Faerber <afaerber@suse.de>,
	Richard Henderson <rth@twiddle.net>,
	Daniel Hansel <daniel.hansel@linux.vnet.ibm.com>
Subject: Re: [PATCH v4 11/15] target-s390x: New QMP command query-cpu-model
Date: Tue, 31 Mar 2015 15:35:26 -0300	[thread overview]
Message-ID: <20150331183526.GJ7031@thinpad.lan.raisama.net> (raw)
In-Reply-To: <1427725708-52100-12-git-send-email-mimu@linux.vnet.ibm.com>

On Mon, Mar 30, 2015 at 04:28:24PM +0200, Michael Mueller wrote:
> This patch implements a new QMP request named 'query-cpu-model'.
> It returns the cpu model of cpu 0 and its backing accelerator.
> 
> request:
>   {"execute" : "query-cpu-model" }
> 
> answer:
>   {"return" : {"name": "2827-ga2", "accel": "kvm" }}
> 
> Alias names are resolved to their respective machine type and GA names
> already during cpu instantiation. Thus, also a cpu model like 'host'
> which is implemented as alias will return its normalized cpu model name.
> 
> Furthermore the patch implements the following function:
> 
> - s390_cpu_models_used(), returns true if S390 cpu models are in use
> 
> Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
> ---
[...]
> +static inline char *strdup_s390_cpu_name(S390CPUClass *cc)
> +{
> +    return g_strdup_printf("%04x-ga%u", cc->proc.type, cc->mach.ga);
> +}

How exactly is this information going to be used by clients? If getting
the correct type and ga values is important for them, maybe you could
add them as integer fields, instead of requiring clients to parse the
CPU model name?

-- 
Eduardo

  parent reply	other threads:[~2015-03-31 18:35 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-30 14:28 [PATCH v4 00/15] s390x cpu model implementation Michael Mueller
2015-03-30 14:28 ` [PATCH v4 01/15] Introduce stub routine cpu_desc_avail Michael Mueller
2015-03-30 14:28 ` [PATCH v4 02/15] target-s390x: Introduce cpu facilities Michael Mueller
2015-03-30 14:28 ` [PATCH v4 03/15] target-s390x: Generate facility defines per cpu model Michael Mueller
2015-03-30 14:28 ` [PATCH v4 04/15] target-s390x: Introduce cpu models Michael Mueller
2015-03-30 14:28 ` [PATCH v4 05/15] target-s390x: Define cpu model specific facility lists Michael Mueller
2015-03-30 14:28 ` [PATCH v4 06/15] target-s390x: Add cpu model alias definition routines Michael Mueller
2015-03-30 14:28 ` [PATCH v4 07/15] target-s390x: Update linux-headers/asm-s390/kvm.h Michael Mueller
2015-03-30 19:36   ` Christian Borntraeger
2015-03-31  7:25     ` Michael Mueller
2015-03-30 14:28 ` [PATCH v4 08/15] target-s390x: Add KVM VM attribute interface for cpu models Michael Mueller
2015-03-30 14:28 ` [PATCH v4 09/15] target-s390x: Add cpu class initialization routines Michael Mueller
2015-03-30 14:28 ` [PATCH v4 10/15] target-s390x: Prepare accelerator during cpu object realization Michael Mueller
2015-03-30 19:33   ` Eduardo Habkost
2015-03-31 10:26     ` [Qemu-devel] " Michael Mueller
2015-03-30 14:28 ` [PATCH v4 11/15] target-s390x: New QMP command query-cpu-model Michael Mueller
2015-03-30 19:50   ` Eduardo Habkost
2015-03-31  9:10     ` [Qemu-devel] " Michael Mueller
2015-03-30 20:17   ` Eduardo Habkost
2015-03-30 20:20     ` [Qemu-devel] " Eric Blake
2015-03-31 13:16       ` Eduardo Habkost
2015-03-31 11:21     ` Michael Mueller
2015-03-31 18:28       ` Eduardo Habkost
2015-03-30 20:19   ` Eric Blake
2015-03-31  7:56     ` Michael Mueller
2015-03-31 18:35   ` Eduardo Habkost [this message]
2015-03-31 20:09     ` Michael Mueller
2015-04-01 13:01       ` Eduardo Habkost
2015-04-01 16:31         ` [Qemu-devel] " Michael Mueller
2015-04-01 16:59           ` Eduardo Habkost
2015-04-01 19:05             ` Michael Mueller
2015-04-01 19:10               ` Michael Mueller
2015-04-01 23:05               ` Eduardo Habkost
2015-04-02  7:09                 ` Michael Mueller
2015-04-02 15:15                   ` Eduardo Habkost
2015-03-30 14:28 ` [PATCH v4 12/15] Add optional parameters to QMP command query-cpu-definitions Michael Mueller
2015-03-30 20:28   ` [Qemu-devel] " Eric Blake
2015-03-31  7:42     ` Michael Mueller
2015-03-31 19:46   ` Eduardo Habkost
2015-03-31 19:50     ` Eric Blake
2015-03-31 20:22     ` [Qemu-devel] " Michael Mueller
2015-03-30 14:28 ` [PATCH v4 13/15] target-s390x: Extend " Michael Mueller
2015-03-30 19:54   ` Eduardo Habkost
2015-03-30 14:28 ` [PATCH v4 14/15] target-s390x: Introduce facility test routine Michael Mueller
2015-03-30 14:28 ` [PATCH v4 15/15] target-s390x: Enable cpu model usage Michael Mueller

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=20150331183526.GJ7031@thinpad.lan.raisama.net \
    --to=ehabkost@redhat.com \
    --cc=afaerber@suse.de \
    --cc=agraf@suse.de \
    --cc=borntraeger@de.ibm.com \
    --cc=cornelia.huck@de.ibm.com \
    --cc=daniel.hansel@linux.vnet.ibm.com \
    --cc=gleb@kernel.org \
    --cc=jjherne@linux.vnet.ibm.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=mimu@linux.vnet.ibm.com \
    --cc=pbonzini@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=rth@twiddle.net \
    /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).