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From: Avi Kivity <avi@redhat.com>
To: "Andreas Färber" <afaerber@suse.de>
Cc: i.mitsyanko@samsung.com, Peter Maydell <peter.maydell@linaro.org>,
	Anthony Liguori <anthony@codemonkey.ws>,
	quintela@redhat.com,
	Developers qemu-devel <qemu-devel@nongnu.org>,
	KVM devel mailing list <kvm@vger.kernel.org>,
	Dmitry Solodkiy <d.solodkiy@samsung.com>
Subject: Re: [Qemu-devel] KVM call agenda for tuesday 31
Date: Mon, 05 Mar 2012 17:47:16 +0200	[thread overview]
Message-ID: <4F54E004.5040104@redhat.com> (raw)
In-Reply-To: <4F54DF1C.605@suse.de>

On 03/05/2012 05:43 PM, Andreas Färber wrote:
> Am 05.03.2012 16:10, schrieb Avi Kivity:
> > On 03/05/2012 04:37 PM, Igor Mitsyanko wrote:
> >>> Well, can't you make sd.c target dependent?  It's not so nice, but it
> >>> does solve the problem.
> >>>
> >>
> >> OK, but it will turn qemu from it's "long term path to suppress *all*
> >> target specific code" :)
> >>
> > 
> > The other alternative is to s/target_phys_addr_t/uint64_t/ in the memory
> > API.  I think 32-on-32 is quite rare these days, so it wouldn't be much
> > of a performance issue.
>
> Maybe rare, but 32-bit ARM netbooks and tablets are gaining marketshare.
>
> Mid-term also depends on how me want to proceed with LPAE softmmu-wise
> (bump "arm" to 64-bit target_phys_addr_t, or do LPAE and AArch64 in a
> new "arm64").

I was counting on LPAE to make 32-on-32 rare.

> i386 is 64-on-32 these days already; most of the embedded targets are
> still at most 32-bit though (xtensa, mblaze, ...).

These would be 32-on-64, since the host would usually be x86.  I guess
it would be even more true when the w64 port is complete.

-- 
error compiling committee.c: too many arguments to function


WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: "Andreas Färber" <afaerber@suse.de>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	i.mitsyanko@samsung.com,
	KVM devel mailing list <kvm@vger.kernel.org>,
	quintela@redhat.com,
	Developers qemu-devel <qemu-devel@nongnu.org>,
	Dmitry Solodkiy <d.solodkiy@samsung.com>,
	Anthony Liguori <anthony@codemonkey.ws>
Subject: Re: [Qemu-devel] KVM call agenda for tuesday 31
Date: Mon, 05 Mar 2012 17:47:16 +0200	[thread overview]
Message-ID: <4F54E004.5040104@redhat.com> (raw)
In-Reply-To: <4F54DF1C.605@suse.de>

On 03/05/2012 05:43 PM, Andreas Färber wrote:
> Am 05.03.2012 16:10, schrieb Avi Kivity:
> > On 03/05/2012 04:37 PM, Igor Mitsyanko wrote:
> >>> Well, can't you make sd.c target dependent?  It's not so nice, but it
> >>> does solve the problem.
> >>>
> >>
> >> OK, but it will turn qemu from it's "long term path to suppress *all*
> >> target specific code" :)
> >>
> > 
> > The other alternative is to s/target_phys_addr_t/uint64_t/ in the memory
> > API.  I think 32-on-32 is quite rare these days, so it wouldn't be much
> > of a performance issue.
>
> Maybe rare, but 32-bit ARM netbooks and tablets are gaining marketshare.
>
> Mid-term also depends on how me want to proceed with LPAE softmmu-wise
> (bump "arm" to 64-bit target_phys_addr_t, or do LPAE and AArch64 in a
> new "arm64").

I was counting on LPAE to make 32-on-32 rare.

> i386 is 64-on-32 these days already; most of the embedded targets are
> still at most 32-bit though (xtensa, mblaze, ...).

These would be 32-on-64, since the host would usually be x86.  I guess
it would be even more true when the w64 port is complete.

-- 
error compiling committee.c: too many arguments to function

  reply	other threads:[~2012-03-05 15:47 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-30 18:55 KVM call agenda for tuesday 31 Juan Quintela
2012-01-30 18:55 ` [Qemu-devel] " Juan Quintela
2012-01-30 23:41 ` Andreas Färber
2012-01-30 23:41   ` Andreas Färber
2012-01-30 23:53   ` Anthony Liguori
2012-01-30 23:53     ` [Qemu-devel] " Anthony Liguori
2012-01-31  0:37     ` Alexander Graf
2012-01-31  0:37       ` Alexander Graf
2012-01-31 10:49     ` Lluís Vilanova
2012-01-31 13:15     ` Andreas Färber
2012-01-31 13:15       ` Andreas Färber
2012-01-31 14:01       ` Mitsyanko Igor
2012-01-31 14:01         ` Mitsyanko Igor
2012-08-08 16:25         ` Andreas Färber
2012-08-08 16:25           ` Andreas Färber
2012-08-09  7:53           ` Igor Mitsyanko
2012-08-09  7:53             ` Igor Mitsyanko
2012-01-31 14:12       ` Anthony Liguori
2012-01-31 14:12         ` Anthony Liguori
2012-01-31 15:04         ` Michael S. Tsirkin
2012-01-31 15:04           ` [Qemu-devel] " Michael S. Tsirkin
2012-01-31 15:10           ` Michael S. Tsirkin
2012-01-31 15:10             ` [Qemu-devel] " Michael S. Tsirkin
2012-01-31 15:12         ` Paolo Bonzini
2012-01-31 15:12           ` Paolo Bonzini
2012-02-09 22:23       ` Peter Maydell
2012-02-09 22:23         ` [Qemu-devel] " Peter Maydell
2012-02-09 22:37         ` Anthony Liguori
2012-02-09 22:37           ` Anthony Liguori
2012-02-09 22:42           ` Peter Maydell
2012-02-09 22:42             ` [Qemu-devel] " Peter Maydell
2012-02-09 23:17           ` Andreas Färber
2012-02-09 23:17             ` Andreas Färber
2012-02-09 23:21             ` Alexander Graf
2012-02-09 23:21               ` Alexander Graf
2012-02-21 15:33         ` Peter Maydell
2012-02-21 15:33           ` Peter Maydell
2012-02-22  8:06           ` Mitsyanko Igor
2012-02-22  8:06             ` Mitsyanko Igor
2012-03-05 13:38           ` Igor Mitsyanko
2012-03-05 13:38             ` Igor Mitsyanko
2012-03-05 14:13             ` Avi Kivity
2012-03-05 14:13               ` Avi Kivity
2012-03-05 14:37               ` Igor Mitsyanko
2012-03-05 14:37                 ` Igor Mitsyanko
2012-03-05 15:10                 ` Avi Kivity
2012-03-05 15:10                   ` Avi Kivity
2012-03-05 15:15                   ` Anthony Liguori
2012-03-05 15:15                     ` Anthony Liguori
2012-03-05 15:17                     ` Avi Kivity
2012-03-05 15:17                       ` Avi Kivity
2012-03-05 18:53                       ` Blue Swirl
2012-03-05 18:53                         ` Blue Swirl
2012-03-05 20:58                         ` malc
2012-03-05 20:58                           ` [Qemu-devel] " malc
2012-03-05 15:20                   ` Peter Maydell
2012-03-05 15:20                     ` Peter Maydell
2012-03-05 15:21                     ` Avi Kivity
2012-03-05 15:21                       ` Avi Kivity
2012-03-05 15:27                       ` Peter Maydell
2012-03-05 15:27                         ` Peter Maydell
2012-03-05 15:43                   ` Andreas Färber
2012-03-05 15:43                     ` [Qemu-devel] " Andreas Färber
2012-03-05 15:47                     ` Avi Kivity [this message]
2012-03-05 15:47                       ` Avi Kivity
2012-03-05 15:50                     ` Peter Maydell
2012-03-05 15:50                       ` Peter Maydell
2012-03-05 17:27                       ` Avi Kivity
2012-03-05 17:27                         ` Avi Kivity
2012-03-12  9:43           ` Igor Mitsyanko
2012-03-12  9:43             ` Igor Mitsyanko
2012-03-14  9:30             ` Igor Mitsyanko
2012-03-14  9:30               ` Igor Mitsyanko
2012-03-14 10:16             ` Avi Kivity
2012-03-14 10:16               ` Avi Kivity
2012-01-31 13:59   ` Anthony Liguori
2012-01-31 13:59     ` Anthony Liguori
2012-01-31 14:09     ` Avi Kivity
2012-01-31 14:09       ` Avi Kivity
2012-01-31 14:17       ` Anthony Liguori
2012-01-31 14:44         ` Avi Kivity
2012-01-31 16:23     ` Andreas Färber
2012-01-31 16:23       ` Andreas Färber

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