From: Avi Kivity <avi@redhat.com>
To: Joerg Roedel <joerg.roedel@amd.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>, kvm@vger.kernel.org
Subject: Re: [PATCH 01/13] KVM: x86 emulator: add framework for instruction
Date: Sat, 26 Mar 2011 11:54:53 +0200 [thread overview]
Message-ID: <4D8DB7ED.7070803@redhat.com> (raw)
In-Reply-To: <1301045356-25257-2-git-send-email-joerg.roedel@amd.com>
On 03/25/2011 11:29 AM, Joerg Roedel wrote:
> From: Avi Kivity<avi@redhat.com>
>
> When running in guest mode, certain instructions can be intercepted by
> hardware. This also holds for nested guests running on emulated
> virtualization hardware, in particular instructions emulated by kvm
> itself.
>
> This patch adds a framework for intercepting instructions. If an
> instruction is marked for interception, and if we're running in guest
> mode, a callback is called to check whether an intercept is needed or
> not. The callback is called at three points in time: immediately after
> beginning execution, after checking privilge exceptions, and after
> checking memory exception. This suits the different interception points
> defined for different instructions and for the various virtualization
> instruction sets.
>
> In addition, a new X86EMUL_INTERCEPT is defined, which any callback or
> memory access may define, allowing the more complicated intercepts to be
> implemented in existing callbacks.
>
Subject line truncated.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2011-03-26 9:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-25 9:29 [PATCH 0/13] KVM: Make the instruction emulator aware of Nested Virtualization v2 Joerg Roedel
2011-03-25 9:29 ` [PATCH 01/13] KVM: x86 emulator: add framework for instruction Joerg Roedel
2011-03-26 9:54 ` Avi Kivity [this message]
2011-03-27 12:56 ` Gleb Natapov
2011-03-28 10:19 ` Joerg Roedel
2011-03-25 9:29 ` [PATCH 02/13] KVM: x86 emulator: add SVM intercepts Joerg Roedel
2011-03-25 9:29 ` [PATCH 03/13] KVM: X86: Don't write-back cpu-state on X86EMUL_INTERCEPTED Joerg Roedel
2011-03-25 9:29 ` [PATCH 04/13] KVM: X86: Add x86 callback for intercept check Joerg Roedel
2011-03-26 9:23 ` Avi Kivity
2011-03-25 9:29 ` [PATCH 05/13] KVM: SVM: Add intercept check for emulated cr accesses Joerg Roedel
2011-03-26 9:37 ` Avi Kivity
2011-03-26 11:06 ` Joerg Roedel
2011-03-27 9:45 ` Avi Kivity
2011-03-25 9:29 ` [PATCH 06/13] KVM: SVM: Add intercept check for accessing dr registers Joerg Roedel
2011-03-25 9:29 ` [PATCH 07/13] KVM: SVM: Add intercept checks for descriptor table accesses Joerg Roedel
2011-03-26 9:43 ` Avi Kivity
2011-03-26 11:10 ` Joerg Roedel
2011-03-25 9:29 ` [PATCH 08/13] KVM: SVM: Add intercept checks for SVM instructions Joerg Roedel
2011-03-25 9:29 ` [PATCH 09/13] KVM: SVM: Add intercept checks for remaining group7 instructions Joerg Roedel
2011-03-25 9:29 ` [PATCH 10/13] KVM: SVM: Add intercept checks for remaining twobyte instructions Joerg Roedel
2011-03-25 9:29 ` [PATCH 11/13] KVM: SVM: Add intercept checks for one-byte instructions Joerg Roedel
2011-03-26 9:53 ` Avi Kivity
2011-03-25 9:29 ` [PATCH 12/13] KVM: SVM: Add checks for IO instructions Joerg Roedel
2011-03-25 9:29 ` [PATCH 13/13] KVM: SVM: Remove nested sel_cr0_write handling code Joerg Roedel
2011-03-26 9:55 ` [PATCH 0/13] KVM: Make the instruction emulator aware of Nested Virtualization v2 Avi Kivity
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