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From: Valentine Sinitsyn <valentine.sinitsyn@gmail.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	kvm@vger.kernel.org
Subject: Re: Nested paging in nested SVM setup
Date: Thu, 21 Aug 2014 18:28:47 +0600	[thread overview]
Message-ID: <53F5E5FF.90604@gmail.com> (raw)
In-Reply-To: <53F5D709.3060207@redhat.com>

On 21.08.2014 17:24, Paolo Bonzini wrote:
> It seems to work for VMX (see the testcase I just sent).  For SVM, can you
> check if this test works for you, so that we can work on a simple testcase?
It passes for SVM, too.

However, npt_rsvd seems to be broken - maybe that is the reason?

Also, I tried to use different register values for npt_l1mmio_test() and 
npt_l1mmio_check() (like 0xfee00030 and 0xfee00400), but got test passed 
as well. Could it be a false positive then?

> qemu-system-x86_64 -enable-kvm -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -display none -serial stdio -device pci-testdev -kernel x86/svm.flat -cpu host
> enabling apic
> paging enabled
> cr0 = 80010011
> cr3 = 7fff000
> cr4 = 20
> NPT detected - running all tests with NPT enabled
> null: PASS
> vmrun: PASS
> ioio: PASS
> vmrun intercept check: PASS
> cr3 read intercept: PASS
> cr3 read nointercept: PASS
> next_rip: PASS
> mode_switch: PASS
> asid_zero: PASS
> sel_cr0_bug: PASS
> npt_nx: PASS
> npt_us: PASS
> npt_rsvd: FAIL
> npt_rw: PASS
> npt_pfwalk: PASS
> npt_l1mmio: PASS
>     Latency VMRUN : max: 93973 min: 22447 avg: 22766
>     Latency VMEXIT: max: 428760 min: 23039 avg: 23832
> latency_run_exit: PASS
>     Latency VMLOAD: max: 35697 min: 3828 avg: 3937
>     Latency VMSAVE: max: 42953 min: 3889 avg: 4012
>     Latency STGI:   max: 42961 min: 3517 avg: 3595
>     Latency CLGI:   max: 41177 min: 2859 avg: 2924
> latency_svm_insn: PASS
>
> SUMMARY: 18 TESTS, 1 FAILURES
> Return value from qemu: 3

Valentine

  reply	other threads:[~2014-08-21 12:28 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-18 11:36 Nested paging in nested SVM setup Valentine Sinitsyn
2014-06-18 12:47 ` Jan Kiszka
2014-06-18 16:59   ` Valentine Sinitsyn
2014-06-19  9:32     ` Paolo Bonzini
2014-06-19  5:03   ` Valentine Sinitsyn
2014-08-20  6:46   ` Valentine Sinitsyn
2014-08-20  6:55     ` Paolo Bonzini
2014-08-20  7:37       ` Valentine Sinitsyn
2014-08-20  8:11         ` Paolo Bonzini
2014-08-20  9:49           ` Valentine Sinitsyn
2014-08-21  6:28           ` Valentine Sinitsyn
2014-08-21  8:48             ` Valentine Sinitsyn
2014-08-21 11:04               ` Paolo Bonzini
2014-08-21 11:06                 ` Jan Kiszka
2014-08-21 11:12                   ` Valentine Sinitsyn
2014-08-21 11:16                 ` Valentine Sinitsyn
2014-08-21 11:24               ` Paolo Bonzini
2014-08-21 12:28                 ` Valentine Sinitsyn [this message]
2014-08-21 12:38                   ` Valentine Sinitsyn
2014-08-21 13:40                   ` Valentine Sinitsyn
2014-09-01 17:41                   ` Paolo Bonzini
2014-09-01 19:21                     ` Valentine Sinitsyn
2014-09-02  8:25                       ` Paolo Bonzini
2014-09-02  9:16                         ` Valentine Sinitsyn
2014-09-02 11:21                           ` Paolo Bonzini
2014-09-02 11:26                             ` Valentine Sinitsyn
2014-08-21 17:35                 ` Valentine Sinitsyn
2014-08-21 20:31                   ` Paolo Bonzini
2014-08-22  4:33                     ` Valentine Sinitsyn
2014-08-22  8:53                       ` Paolo Bonzini
2014-09-01 16:11                       ` Paolo Bonzini
2014-09-01 17:04     ` Paolo Bonzini
2014-09-02  6:09       ` Valentine Sinitsyn
2014-09-02  6:21         ` Valentine Sinitsyn
2014-09-02  9:45         ` Paolo Bonzini
2014-09-02  9:53           ` Valentine Sinitsyn
2014-09-02 11:48             ` Paolo Bonzini
2014-09-02 10:31           ` Valentine Sinitsyn

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