From: Gleb Natapov <gleb@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/2] Make pointer to fw_cfg device global.
Date: Wed, 23 May 2012 15:47:57 +0300 [thread overview]
Message-ID: <20120523124757.GG10209@redhat.com> (raw)
In-Reply-To: <CAFEAcA-QAtdv-0MufTbux8LmpDF23e9=4LaVGd0vAKyXHnJXQw@mail.gmail.com>
On Wed, May 23, 2012 at 01:44:45PM +0100, Peter Maydell wrote:
> On 20 May 2012 10:02, Gleb Natapov <gleb@redhat.com> wrote:
> > There can be only one fw_cfg device, so saving global reference to it
> > removes the need to pass its pointer around.
>
> This seems like a backwards step to me: one of the things that prevents
> us supporting "two separate machines in one emulation" is that we have
> various things that assume there's only one instance of themselves and
> use globals. I don't think we should be adding any more...
>
So you do it usual way. Have "struct Machine" and put pointer to fw_cfg
there. Current code already saves global pointer to fw_cfg, the patch just
makes it official.
--
Gleb.
next prev parent reply other threads:[~2012-05-23 12:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-20 9:02 [Qemu-devel] [PATCH 1/2] Make pointer to fw_cfg device global Gleb Natapov
2012-05-20 9:02 ` [Qemu-devel] [PATCH 2/2] Add PIIX4 properties to control PM system states Gleb Natapov
2012-05-23 13:27 ` Anthony Liguori
2012-05-23 13:34 ` Gleb Natapov
2012-05-23 13:48 ` Anthony Liguori
2012-05-23 14:34 ` Andreas Färber
2012-05-23 14:42 ` Paolo Bonzini
2012-05-23 15:11 ` Anthony Liguori
2012-05-23 15:16 ` Gleb Natapov
2012-05-23 12:37 ` [Qemu-devel] [PATCH 1/2] Make pointer to fw_cfg device global Gleb Natapov
2012-05-23 13:25 ` Anthony Liguori
2012-05-23 13:32 ` Gleb Natapov
2012-05-23 13:46 ` Anthony Liguori
2012-05-23 12:44 ` Peter Maydell
2012-05-23 12:47 ` Gleb Natapov [this message]
2012-05-23 14:41 ` Andreas Färber
2012-05-23 14:54 ` Peter Maydell
-- strict thread matches above, loose matches on Subject: below --
2012-05-14 12:34 Gleb Natapov
2012-05-14 18:53 ` Blue Swirl
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