From: John Stultz <johnstul@us.ibm.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, jeremy@goop.org, glommer@parallels.com,
zamsden@gmail.com, gleb@redhat.com, avi@redhat.com,
pbonzini@redhat.com
Subject: Re: [patch 13/18] time: export time information for KVM pvclock
Date: Wed, 14 Nov 2012 17:38:05 -0800 [thread overview]
Message-ID: <50A4477D.7060308@us.ibm.com> (raw)
In-Reply-To: <20121115000944.540450710@redhat.com>
On 11/14/2012 04:08 PM, Marcelo Tosatti wrote:
> As suggested by John, export time data similarly to how its
> done by vsyscall support. This allows KVM to retrieve necessary
> information to implement vsyscall support in KVM guests.
>
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Thanks for the updates here. The notifier method is interesting, and if
it works well, we may want to extend it later to cover the vsyscall code
too, but that can be done in a later iteration.
Acked-by: John Stultz <johnstul@us.ibm.com>
thanks
-john
next prev parent reply other threads:[~2012-11-15 1:38 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-15 0:08 [patch 00/18] pvclock vsyscall support + KVM hypervisor support (v4) Marcelo Tosatti
2012-11-15 0:08 ` [patch 01/18] KVM: x86: retain pvclock guest stopped bit in guest memory Marcelo Tosatti
2012-11-15 0:08 ` [patch 02/18] x86: kvmclock: allocate pvclock shared memory area Marcelo Tosatti
2012-11-15 17:05 ` Glauber Costa
2012-11-16 2:07 ` [patch 02/18] x86: kvmclock: allocate pvclock shared memory area (v2) Marcelo Tosatti
2012-11-16 7:06 ` Glauber Costa
2012-11-15 0:08 ` [patch 03/18] x86: pvclock: make sure rdtsc doesnt speculate out of region Marcelo Tosatti
2012-11-15 0:08 ` [patch 04/18] x86: pvclock: remove pvclock_shadow_time Marcelo Tosatti
2012-11-15 0:08 ` [patch 05/18] x86: pvclock: create helper for pvclock data retrieval Marcelo Tosatti
2012-11-15 12:27 ` Glauber Costa
2012-11-15 0:08 ` [patch 06/18] x86: pvclock: introduce helper to read flags Marcelo Tosatti
2012-11-15 12:28 ` Glauber Costa
2012-11-15 0:08 ` [patch 07/18] x86: pvclock: add note about rdtsc barriers Marcelo Tosatti
2012-11-15 12:30 ` Glauber Costa
2012-11-16 2:05 ` [patch 07/18] x86: pvclock: add note about rdtsc barriers (v2) Marcelo Tosatti
2012-11-15 0:08 ` [patch 08/18] sched: add notifier for cross-cpu migrations Marcelo Tosatti
2012-11-15 7:01 ` Gleb Natapov
2012-11-15 0:08 ` [patch 09/18] x86: pvclock: generic pvclock vsyscall initialization Marcelo Tosatti
2012-11-15 0:08 ` [patch 10/18] x86: kvm guest: pvclock vsyscall support Marcelo Tosatti
2012-11-15 0:08 ` [patch 11/18] x86: vdso: pvclock gettime support Marcelo Tosatti
2012-11-15 0:08 ` [patch 12/18] KVM: x86: pass host_tsc to read_l1_tsc Marcelo Tosatti
2012-11-15 0:08 ` [patch 13/18] time: export time information for KVM pvclock Marcelo Tosatti
2012-11-15 1:38 ` John Stultz [this message]
2012-11-15 0:08 ` [patch 14/18] KVM: x86: notifier for clocksource changes Marcelo Tosatti
2012-11-15 0:08 ` [patch 15/18] KVM: x86: implement PVCLOCK_TSC_STABLE_BIT pvclock flag Marcelo Tosatti
2012-11-15 0:08 ` [patch 16/18] KVM: x86: add kvm_arch_vcpu_postcreate callback, move TSC initialization Marcelo Tosatti
2012-11-15 0:08 ` [patch 17/18] KVM: x86: require matched TSC offsets for master clock Marcelo Tosatti
2012-11-15 0:08 ` [patch 18/18] KVM: x86: update pvclock area conditionally, on cpu migration Marcelo Tosatti
2012-11-15 12:34 ` Glauber Costa
2012-11-19 21:57 ` [patch 00/18] pvclock vsyscall support + KVM hypervisor support (v5) Marcelo Tosatti
2012-11-19 21:57 ` [patch 01/18] KVM: x86: retain pvclock guest stopped bit in guest memory Marcelo Tosatti
2012-11-19 21:58 ` [patch 02/18] x86: kvmclock: allocate pvclock shared memory area Marcelo Tosatti
2012-11-19 21:58 ` [patch 03/18] x86: pvclock: make sure rdtsc doesnt speculate out of region Marcelo Tosatti
2012-11-19 21:58 ` [patch 04/18] x86: pvclock: remove pvclock_shadow_time Marcelo Tosatti
2012-11-19 21:58 ` [patch 05/18] x86: pvclock: create helper for pvclock data retrieval Marcelo Tosatti
2012-11-19 21:58 ` [patch 06/18] x86: pvclock: introduce helper to read flags Marcelo Tosatti
2012-11-19 21:58 ` [patch 07/18] x86: pvclock: add note about rdtsc barriers Marcelo Tosatti
2012-11-19 21:58 ` [patch 08/18] sched: add notifier for cross-cpu migrations Marcelo Tosatti
2012-11-19 21:58 ` [patch 09/18] x86: pvclock: generic pvclock vsyscall initialization Marcelo Tosatti
2012-11-19 21:58 ` [patch 11/18] x86: vdso: pvclock gettime support Marcelo Tosatti
2012-11-19 21:58 ` [patch 12/18] KVM: x86: pass host_tsc to read_l1_tsc Marcelo Tosatti
2012-11-19 21:58 ` [patch 13/18] time: export time information for KVM pvclock Marcelo Tosatti
2012-11-19 21:58 ` [patch 14/18] KVM: x86: notifier for clocksource changes Marcelo Tosatti
2012-11-19 21:58 ` [patch 15/18] KVM: x86: implement PVCLOCK_TSC_STABLE_BIT pvclock flag Marcelo Tosatti
2012-11-19 21:58 ` [patch 16/18] KVM: x86: add kvm_arch_vcpu_postcreate callback, move TSC initialization Marcelo Tosatti
2012-11-19 21:58 ` [patch 17/18] KVM: x86: require matched TSC offsets for master clock Marcelo Tosatti
2012-11-19 21:58 ` [patch 18/18] KVM: x86: update pvclock area conditionally, on cpu migration Marcelo Tosatti
2012-11-20 9:01 ` Glauber Costa
2012-11-20 9:03 ` [patch 00/18] pvclock vsyscall support + KVM hypervisor support (v5) Glauber Costa
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