From: Greg KH <gregkh@linuxfoundation.org>
To: Mike Haboustak <haboustak@gmail.com>
Cc: stable@vger.kernel.org
Subject: Re: Please include d391f120706726826 in v4.9.y [x86/kvm/vmx]: do not use vm-exit instruction length for fast MMIO when running nested
Date: Sat, 26 May 2018 15:22:26 +0200 [thread overview]
Message-ID: <20180526132226.GA16378@kroah.com> (raw)
In-Reply-To: <CAMGCZS=zqUnb1u4kJ2rKu=cMN7zH-J5wWHtdm0iJ0JmHLT3_8g@mail.gmail.com>
On Fri, May 25, 2018 at 09:03:07AM -0400, Mike Haboustak wrote:
> The following commit fixes freezes in virtio device drivers when KVM
> is nested under
> VMWare Workstation/ESXi or Hyper-V. I've encountered problems running KVM
> inside VMWare since upgrading to Debian 9 (currently testing 4.9.88-1+deb9u1).
>
> d391f1207067268261add0485f0f34503539c5b0
>
> The same issue affects 4.4.y as well. A git-bisect within my
> environment stopped at
> e9ea5069d9e569c32ab913c39467df32e056b3a7, where the KVM capability was added
> that QEMU checks before enabling fast mmio.
The patch does not apply to 4.9.y or 4.4.y, can you please provide a
working backport? I will be glad to queue it up then.
thanks,
greg k-h
next prev parent reply other threads:[~2018-05-26 13:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-25 13:03 Please include d391f120706726826 in v4.9.y [x86/kvm/vmx]: do not use vm-exit instruction length for fast MMIO when running nested Mike Haboustak
2018-05-26 13:22 ` Greg KH [this message]
2019-01-06 18:56 ` Mike Haboustak
2019-01-06 18:57 ` [PATCH 4.9] x86/kvm/vmx: " Mike Haboustak
2019-01-07 9:35 ` Greg KH
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=20180526132226.GA16378@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=haboustak@gmail.com \
--cc=stable@vger.kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.