From: Sean Christopherson <sean.j.christopherson@intel.com>
To: Forrest Yuan Yu <yuanyu@google.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH RFC 0/1] Hypercall UCALL for guest/userspace communication
Date: Fri, 1 May 2020 13:23:22 -0700 [thread overview]
Message-ID: <20200501202322.GC4760@linux.intel.com> (raw)
In-Reply-To: <20200501185147.208192-1-yuanyu@google.com>
On Fri, May 01, 2020 at 11:51:46AM -0700, Forrest Yuan Yu wrote:
> This RFC is to add a hypercall UCALL so that guest can communicate with
> the userspace hypervisor. A guest may want to do this in different
> scenarios. For example, a guest can ask the userspace hypervisor to
> harden security by setting restricted access permissions on guest SLAT
> entries.
>
> Please note this hypercall provides the infrastructure for this type of
> communication but does not enforce the protocol. A proposal for the
> guest/userspace communication protocol will follow if this RFC is
> accepted.
It's hard to review certain aspects of the proposal without seeing the
usage of it. Can you post the whole thing as an RFC?
prev parent reply other threads:[~2020-05-01 20:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-01 18:51 [PATCH RFC 0/1] Hypercall UCALL for guest/userspace communication Forrest Yuan Yu
2020-05-01 18:51 ` [PATCH RFC 1/1] KVM: x86: add KVM_HC_UCALL hypercall Forrest Yuan Yu
2020-05-01 20:45 ` Sean Christopherson
2020-05-02 1:05 ` Liran Alon
2020-05-05 18:49 ` Jim Mattson
2020-05-05 23:53 ` Forrest Yuan Yu
2020-05-05 22:50 ` Forrest Yuan Yu
2020-05-01 20:23 ` Sean Christopherson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200501202322.GC4760@linux.intel.com \
--to=sean.j.christopherson@intel.com \
--cc=kvm@vger.kernel.org \
--cc=yuanyu@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox