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From: Joerg Roedel <joerg.roedel@amd.com>
To: Avi Kivity <avi@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>
Cc: <kvm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	Zachary Amsden <zamsden@redhat.com>
Subject: [PATCH 0/6] KVM support for TSC scaling
Date: Wed, 9 Feb 2011 18:29:38 +0100	[thread overview]
Message-ID: <1297272584-22689-1-git-send-email-joerg.roedel@amd.com> (raw)

Hi Avi, Marcelo,

here is the patch-set to implement the TSC-scaling feature of upcoming
AMD CPUs. When this feature is supported the CPU provides a new MSR
which holds a multiplier for the hardware TSC which is applied on the
value rdtsc[p] and reads of MSR 0x10. This feature can be used to
emulate a given tsc frequency for the guest.
Patch 1 is not directly related to this patch-set because it only fixes
a bug which prevented me from testing these patches. In fact it fixes
the same bug Andre sent a patch for. But after the discussion about his
patch he told me to just post my patch and thus here it is.

Thanks,

	Joerg

Diff-stat:

 arch/x86/include/asm/kvm_host.h  |    4 ++
 arch/x86/include/asm/msr-index.h |    1 +
 arch/x86/kvm/svm.c               |   91 +++++++++++++++++++++++++++++++++++++-
 arch/x86/kvm/vmx.c               |   12 +++++
 arch/x86/kvm/x86.c               |   60 ++++++++++++++++++++++---
 include/linux/kvm.h              |    4 ++
 6 files changed, 164 insertions(+), 8 deletions(-)

Shortlog:

Joerg Roedel (6):
      KVM: SVM: Advance instruction pointer in dr_intercept
      KVM: SVM: Implement infrastructure for TSC_RATE_MSR
      KVM: X86: Let kvm-clock report the right tsc frequency
      KVM: SVM: Propagate requested TSC frequency on vcpu init
      KVM: X86: Delegate tsc-offset calculation to architecture code
      KVM: X86: Implement userspace interface to set virtual_tsc_khz

             reply	other threads:[~2011-02-09 17:29 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-09 17:29 Joerg Roedel [this message]
2011-02-09 17:29 ` [PATCH 1/6] KVM: SVM: Advance instruction pointer in dr_intercept Joerg Roedel
2011-02-22 11:14   ` Roedel, Joerg
2011-02-22 14:01     ` Avi Kivity
2011-02-22 14:33       ` Roedel, Joerg
2011-02-09 17:29 ` [PATCH 2/6] KVM: SVM: Implement infrastructure for TSC_RATE_MSR Joerg Roedel
2011-02-09 17:29 ` [PATCH 3/6] KVM: X86: Let kvm-clock report the right tsc frequency Joerg Roedel
2011-02-09 17:29 ` [PATCH 4/6] KVM: SVM: Propagate requested TSC frequency on vcpu init Joerg Roedel
2011-02-09 17:29 ` [PATCH 5/6] KVM: X86: Delegate tsc-offset calculation to architecture code Joerg Roedel
2011-02-11 22:12   ` Zachary Amsden
2011-02-21 17:16     ` Roedel, Joerg
2011-02-09 17:29 ` [PATCH 6/6] KVM: X86: Implement userspace interface to set virtual_tsc_khz Joerg Roedel
2011-02-13 15:12   ` Avi Kivity
2011-02-21 17:17     ` Roedel, Joerg
2011-02-13 15:19 ` [PATCH 0/6] KVM support for TSC scaling Avi Kivity
2011-02-21 17:28   ` Roedel, Joerg
2011-02-21 21:25     ` Zachary Amsden
2011-02-22 10:11     ` Avi Kivity
2011-02-22 10:35       ` Roedel, Joerg
2011-02-22 10:41         ` Avi Kivity
2011-02-22 11:11           ` Roedel, Joerg
2011-02-22 14:11             ` Avi Kivity

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