From: Avi Kivity <avi@redhat.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Rusty Russell <rusty.russell@linaro.org>,
Christoffer Dall <c.dall@virtualopensystems.com>,
android-virt@lists.cs.columbia.edu, kvm@vger.kernel.org,
Peter Maydell <peter.maydell@linaro.org>,
tech@virtualopensystems.com
Subject: Re: [PATCH v7 08/12] ARM: KVM: World-switch implementation
Date: Thu, 29 Mar 2012 12:49:57 +0200 [thread overview]
Message-ID: <4F743E55.7020208@redhat.com> (raw)
In-Reply-To: <87pqbwz8vy.fsf@rustcorp.com.au>
On 03/28/2012 11:57 PM, Rusty Russell wrote:
> > >
> > > Should this code be dropped altogether? Peter points out that once we
> > > add new regs, they *must* be initialized to correct reset values in case
> > > older QEMU knows nothing about them, but for the rest it just seems
> > > confusing...
> > >
> >
> > It's best to initialize everything. As far as this code is concerned
> > qemu is just another user and we shouldn't rely on its implementation.
>
> In which case, qemu should not initialize anything, but read the
> registers from the kernel to start with.
qemu has its own set of considerations. For example, it needs to
initialize registers in tcg mode. But that's another discussion.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-03-29 10:50 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-12 6:51 [PATCH v7 00/12] KVM/ARM Implementation Christoffer Dall
2012-03-12 6:51 ` [PATCH v7 01/12] KVM: Introduce __KVM_HAVE_IRQ_LINE Christoffer Dall
2012-03-23 0:41 ` [PATCH] ARM: KVM: Check the cpuid we're being asked to emulate Rusty Russell
2012-05-14 22:57 ` Christoffer Dall
2012-05-16 23:58 ` Rusty Russell
2012-05-20 18:34 ` Christoffer Dall
2012-05-21 1:13 ` Rusty Russell
2012-03-12 6:52 ` [PATCH v7 02/12] KVM: Guard mmu_notifier specific code with CONFIG_MMU_NOTIFIER Christoffer Dall
2012-03-12 15:50 ` Avi Kivity
2012-03-12 6:52 ` [PATCH v7 03/12] ARM: KVM: Initial skeleton to compile KVM support Christoffer Dall
2012-03-12 6:52 ` [PATCH v7 04/12] ARM: KVM: Hypervisor identity mapping Christoffer Dall
2012-03-12 6:52 ` [PATCH v7 05/12] ARM: KVM: Hypervisor inititalization Christoffer Dall
2012-03-12 6:52 ` [PATCH v7 06/12] ARM: KVM: Memory virtualization setup Christoffer Dall
2012-03-12 6:52 ` [PATCH v7 07/12] ARM: KVM: Inject IRQs and FIQs from userspace Christoffer Dall
2012-03-12 6:52 ` [PATCH v7 08/12] ARM: KVM: World-switch implementation Christoffer Dall
2012-03-23 0:23 ` Rusty Russell
2012-03-28 13:05 ` Avi Kivity
2012-03-28 21:57 ` Rusty Russell
2012-03-29 10:49 ` Avi Kivity [this message]
2012-05-14 18:08 ` Christoffer Dall
2012-03-12 6:52 ` [PATCH v7 09/12] ARM: KVM: Emulation framework and CP15 emulation Christoffer Dall
2012-03-12 6:52 ` [PATCH v7 10/12] ARM: KVM: Handle guest faults in KVM Christoffer Dall
2012-03-12 15:31 ` [Android-virt] " Marc Zyngier
2012-03-12 16:23 ` Christoffer Dall
2012-03-12 16:28 ` Marc Zyngier
2012-03-12 6:53 ` [PATCH v7 11/12] ARM: KVM: Handle I/O aborts Christoffer Dall
2012-03-12 6:53 ` [PATCH v7 12/12] ARM: KVM: Guest wait-for-interrupts (WFI) support Christoffer Dall
2012-03-12 17:36 ` [PATCH v7 00/12] KVM/ARM Implementation Avi Kivity
2012-03-23 0:40 ` [PATCH] ARM: KVM: Remove l2ctlr write Rusty Russell
2012-05-14 22:59 ` Christoffer Dall
2012-03-29 5:11 ` [PATCH 0/3] Emulation cleanups Rusty, Russell <rusty.russell
2012-03-29 5:15 ` [PATCH 1/3] ARM: KVM: Remove l2ctlr write Rusty Russell
2012-03-29 5:17 ` [PATCH 2/3] ARM: KVM: Fake up performance counters a little more precisely Rusty Russell
2012-05-14 22:49 ` Christoffer Dall
2012-05-17 0:12 ` Rusty Russell
2012-03-29 5:17 ` [PATCH 3/3] ARM: KVM: Check the cpuid we're being asked to emulate Rusty Russell
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