From: "Nadav Har'El" <nyh@math.technion.ac.il>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH 5/24] Introduce vmcs12: a VMCS structure for L1
Date: Mon, 14 Jun 2010 11:49:43 +0300 [thread overview]
Message-ID: <20100614084943.GA26938@fermat.math.technion.ac.il> (raw)
In-Reply-To: <4C15E95D.9000300@redhat.com>
On Mon, Jun 14, 2010, Avi Kivity wrote about "Re: [PATCH 5/24] Introduce vmcs12: a VMCS structure for L1":
> On 06/13/2010 03:25 PM, Nadav Har'El wrote:
> >+#define VMCS12_REVISION 0x11e57ed0
> >
>
> Where did this number come from? It's not from real hardware, yes?
Basically, we are presenting emulated VMX for the L1 guest, complete with
its own VMCS structure. This structure needs to have some VMCS revision id,
which should be an arbitrary number that we invent - it is not related to any
revision id that any real hardware uses. If you look closely, you can see that
the number I used is leetspeak for "Nested0" ;-)
As you can see in the following patches, MSR_IA32_VMX_BASIC will return this
arbitrary VMCS revision id, and and VMPTRLD will verify that the VMCS region
that L1 is trying to load contains this revision id.
--
Nadav Har'El | Monday, Jun 14 2010, 2 Tammuz 5770
nyh@math.technion.ac.il |-----------------------------------------
Phone +972-523-790466, ICQ 13349191 |If you're looking for a helping hand,
http://nadav.harel.org.il |look first at the end of your arm.
next prev parent reply other threads:[~2010-06-14 9:01 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 [this message]
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 ` [PATCH 0/24] Nested VMX, v5 Avi Kivity
2010-06-14 13:03 ` 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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