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From: Michael Tokarev <mjt@tls.msk.ru>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Avi Kivity <avi@redhat.com>,
	kvm@vger.kernel.org,
	Benjamin Serebrin <benjamin.serebrin@amd.com>
Subject: Re: [patch 0/3] synchronized TSC between vcpu's on SMP guests
Date: Tue, 09 Dec 2008 14:38:08 +0300	[thread overview]
Message-ID: <493E58A0.8080109@msgid.tls.msk.ru> (raw)
In-Reply-To: <20081209011247.570596925@localhost.localdomain>

Marcelo Tosatti wrote:
> Most Intel hosts are supposed to have their TSC's synchronized. This
> patchset attempts to fix the sites which overwrite the TSC making them
> appear unsynchronized to the guest.

By the way, phenoms are also supposed to have synced TSCs, at least
the host reports TSC syncronization works.  But guests still thinks
TSC is unstable, even on uniprocessor guests using kvm_clock...

Is it related to the area you're patching?

Thanks!

/mjt


  parent reply	other threads:[~2008-12-09 11:38 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-09  1:12 [patch 0/3] synchronized TSC between vcpu's on SMP guests Marcelo Tosatti
2008-12-09  1:12 ` [patch 1/3] QEMU/KVM: x86: separate TSC load from kvm_arch_load_regs Marcelo Tosatti
2008-12-10 10:10   ` Avi Kivity
2008-12-09  1:12 ` [patch 2/3] QEMU/KVM: BIOS: revert TSC zeroing Marcelo Tosatti
2008-12-09  1:12 ` [patch 3/3] KVM: VMX: initialize TSC offset relative to vm creation time Marcelo Tosatti
2008-12-10 10:19   ` Avi Kivity
2008-12-10 16:53     ` Marcelo Tosatti
2008-12-11 17:38       ` Avi Kivity
2008-12-11 19:45         ` Marcelo Tosatti
2008-12-28  9:26           ` Avi Kivity
2008-12-09 11:38 ` Michael Tokarev [this message]
2008-12-09 10:47   ` [patch 0/3] synchronized TSC between vcpu's on SMP guests Marcelo Tosatti
2008-12-09 22:48     ` Michael Tokarev
2008-12-22 23:16 ` David S. Ahern
2008-12-28  9:33 ` Avi Kivity

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