From: Gleb Natapov <gleb@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Avi Kivity <avi@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>, kvm <kvm@vger.kernel.org>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [PATCH uq/master] kvm: Drop unused kvm_pit_in_kernel
Date: Thu, 22 Mar 2012 09:18:27 +0200 [thread overview]
Message-ID: <20120322071827.GW22368@redhat.com> (raw)
In-Reply-To: <4F69DC55.3030102@siemens.com>
On Wed, Mar 21, 2012 at 02:49:09PM +0100, Jan Kiszka wrote:
> On 2012-03-21 14:41, Gleb Natapov wrote:
> > On Wed, Mar 21, 2012 at 02:39:47PM +0100, Jan Kiszka wrote:
> >> On 2012-03-21 14:36, Avi Kivity wrote:
> >>> On 03/21/2012 02:36 PM, Jan Kiszka wrote:
> >>>> This is now implied by kvm_irqchip_in_kernel.
> >>>>
> >>>>
> >>>
> >>> So we can't have -no-kvm-pit?
> >>>
> >>> No huge loss, but unexpected.
> >>
> >> See e81dda195556e72f8cd294998296c1051aab30a8.
> >>
> > I am curious what is the reason for upstream to not supporting disabling the
> > in-kernel PIT separately?
>
> It was considered no longer relevant:
> http://thread.gmane.org/gmane.comp.emulators.kvm.devel/85393
>
Hmm, may be we should think about this some more. If in the (not so far)
future we want to drop pit emulation from the kernel we may want to support
-no-kvm-pit to allow migration from old kernels to new one.
--
Gleb.
WARNING: multiple messages have this Message-ID (diff)
From: Gleb Natapov <gleb@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
Avi Kivity <avi@redhat.com>, kvm <kvm@vger.kernel.org>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH uq/master] kvm: Drop unused kvm_pit_in_kernel
Date: Thu, 22 Mar 2012 09:18:27 +0200 [thread overview]
Message-ID: <20120322071827.GW22368@redhat.com> (raw)
In-Reply-To: <4F69DC55.3030102@siemens.com>
On Wed, Mar 21, 2012 at 02:49:09PM +0100, Jan Kiszka wrote:
> On 2012-03-21 14:41, Gleb Natapov wrote:
> > On Wed, Mar 21, 2012 at 02:39:47PM +0100, Jan Kiszka wrote:
> >> On 2012-03-21 14:36, Avi Kivity wrote:
> >>> On 03/21/2012 02:36 PM, Jan Kiszka wrote:
> >>>> This is now implied by kvm_irqchip_in_kernel.
> >>>>
> >>>>
> >>>
> >>> So we can't have -no-kvm-pit?
> >>>
> >>> No huge loss, but unexpected.
> >>
> >> See e81dda195556e72f8cd294998296c1051aab30a8.
> >>
> > I am curious what is the reason for upstream to not supporting disabling the
> > in-kernel PIT separately?
>
> It was considered no longer relevant:
> http://thread.gmane.org/gmane.comp.emulators.kvm.devel/85393
>
Hmm, may be we should think about this some more. If in the (not so far)
future we want to drop pit emulation from the kernel we may want to support
-no-kvm-pit to allow migration from old kernels to new one.
--
Gleb.
next prev parent reply other threads:[~2012-03-22 7:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-21 12:36 [PATCH uq/master] kvm: Drop unused kvm_pit_in_kernel Jan Kiszka
2012-03-21 12:36 ` [Qemu-devel] " Jan Kiszka
2012-03-21 13:36 ` Avi Kivity
2012-03-21 13:36 ` [Qemu-devel] " Avi Kivity
2012-03-21 13:39 ` Jan Kiszka
2012-03-21 13:39 ` [Qemu-devel] " Jan Kiszka
2012-03-21 13:41 ` Gleb Natapov
2012-03-21 13:41 ` [Qemu-devel] " Gleb Natapov
2012-03-21 13:49 ` Jan Kiszka
2012-03-21 13:49 ` [Qemu-devel] " Jan Kiszka
2012-03-22 7:18 ` Gleb Natapov [this message]
2012-03-22 7:18 ` Gleb Natapov
2012-03-22 12:41 ` Jan Kiszka
2012-03-22 12:41 ` [Qemu-devel] " Jan Kiszka
2012-03-22 12:52 ` Gleb Natapov
2012-03-22 12:52 ` [Qemu-devel] " Gleb Natapov
2012-03-22 13:27 ` Jan Kiszka
2012-03-22 13:27 ` [Qemu-devel] " Jan Kiszka
2012-03-27 10:48 ` Gleb Natapov
2012-03-27 10:48 ` [Qemu-devel] " Gleb Natapov
2012-03-21 23:00 ` [PATCH v2 " Jan Kiszka
2012-03-21 23:00 ` [Qemu-devel] " Jan Kiszka
2012-04-11 1:33 ` Marcelo Tosatti
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