From: Avi Kivity <avi@redhat.com>
To: "Nadav Har'El" <nyh@il.ibm.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH 0/24] Nested VMX, v5
Date: Mon, 14 Jun 2010 15:34:45 +0300 [thread overview]
Message-ID: <4C1621E5.5040201@redhat.com> (raw)
In-Reply-To: <1276431753-nyh@il.ibm.com>
On 06/13/2010 03:22 PM, Nadav Har'El wrote:
> Hi Avi,
>
> This is a followup of our nested VMX patches that Orit Wasserman posted in
> December. We've addressed most of the comments and concerns that you and
> others on the mailing list had with the previous patch set. We hope you'll
> find these patches easier to understand, and suitable for applying to KVM.
>
>
> The following 24 patches implement nested VMX support. The patches enable a
> guest to use the VMX APIs in order to run its own nested guests. I.e., it
> allows running hypervisors (that use VMX) under KVM. We describe the theory
> behind this work, our implementation, and its performance characteristics,
> in IBM Research report H-0282, "The Turtles Project: Design and Implementation
> of Nested Virtualization", available at:
>
> http://bit.ly/a0o9te
>
> The current patches support running Linux under a nested KVM using shadow
> page table (with bypass_guest_pf disabled). They support multiple nested
> hypervisors, which can run multiple guests. Only 64-bit nested hypervisors
> are supported. SMP is supported. Additional patches for running Windows under
> nested KVM, and Linux under nested VMware server, and support for nested EPT,
> are currently running in the lab, and will be sent as follow-on patchsets.
>
> These patches were written by:
> Abel Gordon, abelg<at> il.ibm.com
> Nadav Har'El, nyh<at> il.ibm.com
> Orit Wasserman, oritw<at> il.ibm.com
> Ben-Ami Yassor, benami<at> il.ibm.com
> Muli Ben-Yehuda, muli<at> il.ibm.com
>
> With contributions by:
> Anthony Liguori, aliguori<at> us.ibm.com
> Mike Day, mdday<at> us.ibm.com
>
> This work was inspired by the nested SVM support by Alexander Graf and Joerg
> Roedel.
>
>
> Changes since v4:
> * Rebased to the current KVM tree.
> * Support for lazy FPU loading.
> * Implemented about 90 requests and suggestions made on the mailing list
> regarding the previous version of this patch set.
> * Split the changes into many more, and better documented, patches.
>
>
Overall, very nice. The finer split and better documentation really
help reviewing, thanks.
Let's try to get this merged quickly.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-06-14 12:34 UTC|newest]
Thread overview: 147+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-13 12:22 [PATCH 0/24] Nested VMX, v5 Nadav Har'El
2010-06-13 12:23 ` [PATCH 1/24] Move nested option from svm.c to x86.c Nadav Har'El
2010-06-14 8:11 ` Avi Kivity
2010-06-15 14:27 ` Nadav Har'El
2010-06-13 12:23 ` [PATCH 2/24] Add VMX and SVM to list of supported cpuid features Nadav Har'El
2010-06-14 8:13 ` Avi Kivity
2010-06-15 14:31 ` Nadav Har'El
2010-06-13 12:24 ` [PATCH 3/24] Implement VMXON and VMXOFF Nadav Har'El
2010-06-14 8:21 ` Avi Kivity
2010-06-16 11:14 ` Nadav Har'El
2010-06-16 11:26 ` Avi Kivity
2010-06-15 20:18 ` Marcelo Tosatti
2010-06-16 7:50 ` Nadav Har'El
2010-06-13 12:24 ` [PATCH 4/24] Allow setting the VMXE bit in CR4 Nadav Har'El
2010-06-15 11:09 ` Gleb Natapov
2010-06-15 14:44 ` Nadav Har'El
2010-06-13 12:25 ` [PATCH 5/24] Introduce vmcs12: a VMCS structure for L1 Nadav Har'El
2010-06-14 8:33 ` Avi Kivity
2010-06-14 8:49 ` Nadav Har'El
2010-06-14 12:35 ` Avi Kivity
2010-06-16 12:24 ` Nadav Har'El
2010-06-16 13:10 ` Avi Kivity
2010-06-22 14:54 ` Nadav Har'El
2010-06-22 16:53 ` Nadav Har'El
2010-06-23 8:07 ` Avi Kivity
2010-08-08 15:09 ` Nadav Har'El
2010-08-10 3:24 ` Avi Kivity
2010-06-23 7:57 ` Avi Kivity
2010-06-23 9:15 ` Alexander Graf
2010-06-23 9:24 ` Avi Kivity
2010-06-23 12:07 ` Nadav Har'El
2010-06-23 12:13 ` Avi Kivity
2010-06-13 12:25 ` [PATCH 6/24] Implement reading and writing of VMX MSRs Nadav Har'El
2010-06-14 8:42 ` Avi Kivity
2010-06-23 8:13 ` Nadav Har'El
2010-06-23 8:24 ` Avi Kivity
2010-06-13 12:26 ` [PATCH 7/24] Understanding guest pointers to vmcs12 structures Nadav Har'El
2010-06-14 8:48 ` Avi Kivity
2010-08-02 12:25 ` Nadav Har'El
2010-08-02 13:38 ` Avi Kivity
2010-06-15 12:14 ` Gleb Natapov
2010-08-01 15:16 ` Nadav Har'El
2010-08-01 15:25 ` Gleb Natapov
2010-08-02 8:57 ` Nadav Har'El
2010-06-13 12:26 ` [PATCH 8/24] Hold a vmcs02 for each vmcs12 Nadav Har'El
2010-06-14 8:57 ` Avi Kivity
2010-07-06 9:50 ` Dong, Eddie
2010-08-02 13:38 ` Nadav Har'El
2010-06-13 12:27 ` [PATCH 9/24] Implement VMCLEAR Nadav Har'El
2010-06-14 9:03 ` Avi Kivity
2010-06-15 13:47 ` Gleb Natapov
2010-06-15 13:50 ` Avi Kivity
2010-06-15 13:54 ` Gleb Natapov
2010-08-05 11:50 ` Nadav Har'El
2010-08-05 11:53 ` Gleb Natapov
2010-08-05 12:01 ` Nadav Har'El
2010-08-05 12:05 ` Avi Kivity
2010-08-05 12:10 ` Nadav Har'El
2010-08-05 12:13 ` Avi Kivity
2010-08-05 12:29 ` Nadav Har'El
2010-08-05 12:03 ` Avi Kivity
2010-07-06 2:56 ` Dong, Eddie
2010-08-03 12:12 ` Nadav Har'El
2010-06-13 12:27 ` [PATCH 10/24] Implement VMPTRLD Nadav Har'El
2010-06-14 9:07 ` Avi Kivity
2010-08-05 11:13 ` Nadav Har'El
2010-06-16 13:36 ` Gleb Natapov
2010-07-06 3:09 ` Dong, Eddie
2010-08-05 11:35 ` Nadav Har'El
2010-06-13 12:28 ` [PATCH 11/24] Implement VMPTRST Nadav Har'El
2010-06-14 9:15 ` Avi Kivity
2010-06-16 13:53 ` Gleb Natapov
2010-06-16 15:33 ` Nadav Har'El
2010-06-13 12:28 ` [PATCH 12/24] Add VMCS fields to the vmcs12 Nadav Har'El
2010-06-14 9:24 ` Avi Kivity
2010-06-16 14:18 ` Gleb Natapov
2010-06-13 12:29 ` [PATCH 13/24] Implement VMREAD and VMWRITE Nadav Har'El
2010-06-14 9:36 ` Avi Kivity
2010-06-16 14:48 ` Gleb Natapov
2010-08-04 13:42 ` Nadav Har'El
2010-08-04 16:09 ` Nadav Har'El
2010-08-04 16:41 ` Avi Kivity
2010-06-16 15:03 ` Gleb Natapov
2010-08-04 11:46 ` Nadav Har'El
2010-06-13 12:29 ` [PATCH 14/24] Prepare vmcs02 from vmcs01 and vmcs12 Nadav Har'El
2010-06-14 11:11 ` Avi Kivity
2010-06-17 8:50 ` Gleb Natapov
2010-07-06 6:25 ` Dong, Eddie
2010-06-13 12:30 ` [PATCH 15/24] Move register-syncing to a function Nadav Har'El
2010-06-13 12:30 ` [PATCH 16/24] Implement VMLAUNCH and VMRESUME Nadav Har'El
2010-06-14 11:41 ` Avi Kivity
2010-09-26 11:14 ` Nadav Har'El
2010-09-26 12:56 ` Avi Kivity
2010-09-26 13:06 ` Nadav Har'El
2010-09-26 13:51 ` Avi Kivity
2010-06-17 10:59 ` Gleb Natapov
2010-09-16 16:06 ` Nadav Har'El
2010-06-13 12:31 ` [PATCH 17/24] No need for handle_vmx_insn function any more Nadav Har'El
2010-06-13 12:31 ` [PATCH 18/24] Exiting from L2 to L1 Nadav Har'El
2010-06-14 12:04 ` Avi Kivity
2010-09-12 14:05 ` Nadav Har'El
2010-09-12 14:29 ` Avi Kivity
2010-09-12 17:05 ` Nadav Har'El
2010-09-12 17:21 ` Avi Kivity
2010-09-12 19:51 ` Nadav Har'El
2010-09-13 8:48 ` Avi Kivity
2010-09-13 5:53 ` Sheng Yang
2010-09-13 8:52 ` Avi Kivity
2010-09-13 9:01 ` Nadav Har'El
2010-09-13 9:34 ` Avi Kivity
2010-09-14 13:07 ` Nadav Har'El
2010-06-13 12:32 ` [PATCH 19/24] Deciding if L0 or L1 should handle an L2 exit Nadav Har'El
2010-06-14 12:24 ` Avi Kivity
2010-09-16 14:42 ` Nadav Har'El
2010-06-13 12:32 ` [PATCH 20/24] Correct handling of interrupt injection Nadav Har'El
2010-06-14 12:29 ` Avi Kivity
2010-06-14 12:48 ` Avi Kivity
2010-09-16 15:25 ` Nadav Har'El
2010-06-13 12:33 ` [PATCH 21/24] Correct handling of exception injection Nadav Har'El
2010-06-13 12:33 ` [PATCH 22/24] Correct handling of idt vectoring info Nadav Har'El
2010-06-17 11:58 ` Gleb Natapov
2010-09-20 6:37 ` Nadav Har'El
2010-09-20 9:34 ` Gleb Natapov
2010-09-20 10:03 ` Nadav Har'El
2010-09-20 10:11 ` Avi Kivity
2010-09-22 23:15 ` Nadav Har'El
2010-09-26 15:14 ` Avi Kivity
2010-09-26 15:18 ` Gleb Natapov
2010-09-20 10:20 ` Gleb Natapov
2010-06-13 12:34 ` [PATCH 23/24] Handling of CR0.TS and #NM for Lazy FPU loading Nadav Har'El
2010-06-13 12:34 ` [PATCH 24/24] Miscellenous small corrections Nadav Har'El
2010-06-14 12:34 ` Avi Kivity [this message]
2010-06-14 13:03 ` [PATCH 0/24] Nested VMX, v5 Nadav Har'El
2010-06-15 10:00 ` Avi Kivity
2010-10-17 12:03 ` Nadav Har'El
2010-10-17 12:10 ` Avi Kivity
2010-10-17 12:39 ` Nadav Har'El
2010-10-17 13:35 ` Avi Kivity
2010-07-09 8:59 ` Dong, Eddie
2010-07-11 8:27 ` Nadav Har'El
2010-07-11 11:05 ` Alexander Graf
2010-07-11 12:49 ` Nadav Har'El
2010-07-11 13:12 ` Avi Kivity
2010-07-11 15:39 ` Nadav Har'El
2010-07-11 15:45 ` Avi Kivity
2010-07-11 13:20 ` Avi Kivity
2010-07-15 3:27 ` Sheng Yang
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