From: Wei Liu <wei.liu2@citrix.com>
To: Alexandru Isaila <aisaila@bitdefender.com>
Cc: tim@xen.org, sstabellini@kernel.org, wei.liu2@citrix.com,
rcojocaru@bitdefender.com, George.Dunlap@eu.citrix.com,
andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com,
xen-devel@lists.xen.org, julien.grall@arm.com,
tamas@tklengyel.com, jbeulich@suse.com
Subject: Re: [PATCH v7] x86/hvm: Allow guest_request vm_events coming from userspace
Date: Mon, 28 Aug 2017 16:38:20 +0100 [thread overview]
Message-ID: <20170828153819.cq25whfbumtcucnq@citrix.com> (raw)
In-Reply-To: <1503913126-13546-1-git-send-email-aisaila@bitdefender.com>
On Mon, Aug 28, 2017 at 12:38:46PM +0300, Alexandru Isaila wrote:
> In some introspection usecases, an in-guest agent needs to communicate
> with the external introspection agent. An existing mechanism is
> HVMOP_guest_request_vm_event, but this is restricted to kernel usecases
> like all other hypercalls.
>
> Introduce a mechanism whereby the introspection agent can whitelist the
> use of HVMOP_guest_request_vm_event directly from userspace.
>
> Signed-off-by: Alexandru Isaila <aisaila@bitdefender.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
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next prev parent reply other threads:[~2017-08-28 15:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-28 9:38 [PATCH v7] x86/hvm: Allow guest_request vm_events coming from userspace Alexandru Isaila
2017-08-28 11:10 ` Jan Beulich
2017-08-28 15:44 ` Tamas K Lengyel
2017-08-28 15:38 ` Wei Liu [this message]
2017-08-28 15:42 ` Tamas K Lengyel
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