From: Avi Kivity <avi@redhat.com>
To: "Rastogi, Shaurya" <shaurya.rastogi@gatech.edu>
Cc: kvm@vger.kernel.org
Subject: Re: VMExits on Software Interrupts
Date: Mon, 06 Apr 2009 14:40:43 +0300 [thread overview]
Message-ID: <49D9EA3B.5080800@redhat.com> (raw)
In-Reply-To: <238919847.1486541238747687028.JavaMail.root@mail2.gatech.edu>
Rastogi, Shaurya wrote:
> Hi,
>
> Is there any way to generate a VMExit for software interrupts?
>
> I am interested in causing a VMExit when Int 80 instruction is executed in guest VM. Is it possible to do so? If so how?
>
Neither vmx nor svm support trapping on software interrupts. You might
be able to track changes to the IDT and install a hardware breakpoint on
the int 80 handler, but that's quite difficult and hacky.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2009-04-06 11:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <983906673.1486431238747617277.JavaMail.root@mail2.gatech.edu>
2009-04-03 8:34 ` VMExits on Software Interrupts Rastogi, Shaurya
2009-04-06 11:40 ` Avi Kivity [this message]
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