From: Jan Kiszka <jan.kiszka@web.de>
To: Wincy Van <fanwenyi0529@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Bandan Das <bsd@redhat.com>
Subject: Re: [PATCH] KVM: nVMX: nested MSR auto load/restore emulation.
Date: Sat, 22 Nov 2014 08:31:00 +0100 [thread overview]
Message-ID: <54703BB4.1040306@web.de> (raw)
In-Reply-To: <CACzj_yU3evDWQdPbNHgE5sk_rJZicVfPhBG7K3J_wO2fQt5dcg@mail.gmail.com>
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On 2014-11-22 05:24, Wincy Van wrote:
> Some hypervisors need MSR auto load/restore feature.
>
> We read MSRs from vm-entry MSR load area which specified by L1,
> and load them via kvm_set_msr in the nested entry.
> When nested exit occurs, we get MSRs via kvm_get_msr, writting
> them to L1`s MSR store area. After this, we read MSRs from vm-exit
> MSR load area, and load them via kvm_set_msr.
>
> VirtualBox will work fine with this patch.
Cool! This feature is long overdue.
Patch is unfortunately misformatted which makes it very hard to read.
Please check via linux/scripts/checkpatch.pl for the proper style.
Could you also write a corresponding kvm-unit-test (see x86/vmx_tests.c)?
Jan
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next prev parent reply other threads:[~2014-11-22 7:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-22 4:24 Wincy Van
2014-11-22 7:31 ` Jan Kiszka [this message]
2014-11-22 14:24 Wincy Van
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