From: Marcelo Tosatti <mtosatti@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Gleb Natapov <gleb@kernel.org>, kvm <kvm@vger.kernel.org>
Subject: Re: [PATCH v3 2/3] KVM: nVMX: Fully emulate preemption timer
Date: Fri, 7 Mar 2014 14:20:35 -0300 [thread overview]
Message-ID: <20140307172035.GA30738@amt.cnet> (raw)
In-Reply-To: <aa6b5042d3605f630dbac42dc441d8c8b0c7e7aa.1394127237.git.jan.kiszka@siemens.com>
On Thu, Mar 06, 2014 at 06:33:58PM +0100, Jan Kiszka wrote:
> We cannot rely on the hardware-provided preemption timer support because
> we are holding L2 in HLT outside non-root mode.
> Furthermore, emulating
> the preemption will resolve tick rate errata on older Intel CPUs.
Can you describe this in more detail please? Errata number?
next prev parent reply other threads:[~2014-03-07 17:20 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-06 17:33 [PATCH v3 0/3] KVM: x86: Pending nVMX fixes Jan Kiszka
2014-03-06 17:33 ` [PATCH v3 1/3] KVM: nVMX: Rework interception of IRQs and NMIs Jan Kiszka
2014-03-07 15:44 ` Paolo Bonzini
2014-03-07 16:29 ` Jan Kiszka
2014-03-07 16:46 ` Paolo Bonzini
2014-03-07 17:28 ` Jan Kiszka
2014-03-07 18:19 ` Jan Kiszka
2014-03-07 18:24 ` Paolo Bonzini
2014-03-07 18:26 ` Jan Kiszka
2014-03-07 19:45 ` Paolo Bonzini
2014-03-06 17:33 ` [PATCH v3 2/3] KVM: nVMX: Fully emulate preemption timer Jan Kiszka
2014-03-07 17:20 ` Marcelo Tosatti [this message]
2014-03-07 17:24 ` Paolo Bonzini
2014-03-06 17:33 ` [PATCH v3 3/3] KVM: nVMX: Do not inject NMI vmexits when L2 has a pending interrupt Jan Kiszka
2014-03-06 17:41 ` [PATCH v3 0/3] KVM: x86: Pending nVMX fixes Paolo Bonzini
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