qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: David Gibson <david@gibson.dropbear.id.au>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Daniel Henrique Barboza <danielhb413@gmail.com>,
	qemu-ppc@nongnu.org, qemu-devel@nongnu.org, groug@kaod.org
Subject: Re: [PATCH v3 0/1] spapr.c: set a 'kvm-type' default value instead of relying on NULL
Date: Fri, 11 Dec 2020 11:21:05 +1100	[thread overview]
Message-ID: <20201211002105.GA4874@yekko.fritz.box> (raw)
In-Reply-To: <6d8cac99-68e1-61bf-e270-b0287b8d48fa@redhat.com>

[-- Attachment #1: Type: text/plain, Size: 1904 bytes --]

On Thu, Dec 10, 2020 at 05:51:41PM +0100, Paolo Bonzini wrote:
> On 10/12/20 15:55, Daniel Henrique Barboza wrote:
> > changes from v2, all proposed by Greg:
> > * Handle 'NULL' value as default mode fallback in spapr_kvm_type()
> > * Do not allow for 'AUTO' to be a valid mode in spapr_kvm_type()
> > * Initialize 'spapr->kvm_type' in spapr_instance_init() like Paolo
> >    proposed. This will spare us from changing spapr_get_kvm_type()
> >    altogether.
> > v2 link: https://lists.gnu.org/archive/html/qemu-devel/2020-12/msg02623.html
> > 
> > 
> > This patch addresses an issue that happens with the pseries machine after
> > testing Paolo's patch [1]:
> > 
> > $ sudo ./ppc64-softmmu/qemu-system-ppc64 -nographic -nodefaults -machine pseries --enable-kvm
> > qemu-system-ppc64: Unknown kvm-type specified ''
> > 
> > The reason lies on how qemu_opt_get() and object_property_get_str() works
> > when there is no 'kvm-type' specified. We were conting on receiving NULL
> > for kvm-type, but the latter will use a blank string "". Instead on relying
> > on NULL, let's expose the already existing 'auto' kvm-type mode to the users
> > and use that as default.
> > 
> > [1] https://lists.gnu.org/archive/html/qemu-devel/2020-12/msg00471.html
> > 
> > Daniel Henrique Barboza (1):
> >    spapr.c: set a 'kvm-type' default value instead of relying on NULL
> > 
> >   hw/ppc/spapr.c | 21 +++++++++++++++++----
> >   1 file changed, 17 insertions(+), 4 deletions(-)
> > 
> 
> Will queue, thanks!

I've also put it into my ppc-for-6.0 tree, which I plan to send a PR
for shortly.  I guess it should be an easy conflict to resolve, so I
don't think that will be a problem.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

  reply	other threads:[~2020-12-11  1:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-10 14:55 [PATCH v3 0/1] spapr.c: set a 'kvm-type' default value instead of relying on NULL Daniel Henrique Barboza
2020-12-10 14:55 ` [PATCH v3 1/1] " Daniel Henrique Barboza
2020-12-10 15:13   ` Greg Kurz
2020-12-10 16:51 ` [PATCH v3 0/1] " Paolo Bonzini
2020-12-11  0:21   ` David Gibson [this message]
2020-12-11 15:46     ` Paolo Bonzini

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=20201211002105.GA4874@yekko.fritz.box \
    --to=david@gibson.dropbear.id.au \
    --cc=danielhb413@gmail.com \
    --cc=groug@kaod.org \
    --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).