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: Wed, 20 Aug 2014 15:49:29 +0600 [thread overview]
Message-ID: <53F46F29.4080008@gmail.com> (raw)
In-Reply-To: <53F45832.5080708@redhat.com>
On 20.08.2014 14:11, Paolo Bonzini wrote:
> Another patch... I will post parts of it separately, if I am right
> you should get 0xfe as the vector and a WARN from the gva_to_gpa function.
I confirm the vector is 0xfe, however I see no warnings from
gva_to_gpa() - only from emulate_exception():
> [ 3417.251967] ------------[ cut here ]------------
> [ 3417.251983] WARNING: CPU: 1 PID: 1584 at /home/val/kvm-kmod/x86/emulate.c:4839 x86_emulate_insn+0xb33/0xb70 [kvm]()
I can see both warnings, if I move 'WARN(walker.fault.vector > 0x1f)'
from gva_to_gpa() to gva_to_gpa_nested(), however:
> [ 3841.420019] WARNING: CPU: 0 PID: 1945 at /home/val/kvm-kmod/x86/paging_tmpl.h:903 paging64_gva_to_gpa_nested+0xd1/0xe0 [kvm]()
> [ 3841.420457] WARNING: CPU: 0 PID: 1945 at /home/val/kvm-kmod/x86/emulate.c:4839 x86_emulate_insn+0xb33/0xb70 [kvm]()
Thanks,
Valentine
next prev parent reply other threads:[~2014-08-20 9:49 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 [this message]
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
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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