Linux kernel -stable discussions
 help / color / mirror / Atom feed
From: Greg KH <gregkh@linuxfoundation.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: stable@vger.kernel.org, nikola.ciprich@linuxbox.cz,
	Haozhong Zhang <haozhong.zhang@intel.com>
Subject: Re: [PATCH] KVM MMU: check pending exception before injecting APF
Date: Fri, 9 Feb 2018 18:17:29 +0100	[thread overview]
Message-ID: <20180209171729.GA20345@kroah.com> (raw)
In-Reply-To: <1518195642-14761-1-git-send-email-pbonzini@redhat.com>

On Fri, Feb 09, 2018 at 06:00:42PM +0100, Paolo Bonzini wrote:
> From: Haozhong Zhang <haozhong.zhang@intel.com>
> 
> [ upstream commit 2a266f23550be997d783f27e704b9b40c4010292 Mon Sep 17 00:00:00 2001 ]

Odd date :)

> 
> For example, when two APF's for page ready happen after one exit and
> the first one becomes pending, the second one will result in #DF.
> Instead, just handle the second page fault synchronously.
> 
> Reported-by: Ross Zwisler <zwisler@gmail.com>
> Message-ID: <CAOxpaSUBf8QoOZQ1p4KfUp0jq76OKfGY4Uxs-Gg8ngReD99xww@mail.gmail.com>
> Reported-by: Alec Blayne <ab@tevsa.net>
> Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
> Fixes: 664f8e26b00c7673a8303b0d40853a0c24ca93e1

So this is only needed for 4.14.y?

thanks,

greg k-h

  reply	other threads:[~2018-02-09 17:17 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-09 17:00 [PATCH] KVM MMU: check pending exception before injecting APF Paolo Bonzini
2018-02-09 17:17 ` Greg KH [this message]
2018-02-09 17:21   ` Paolo Bonzini
2018-02-09 17:44     ` 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=20180209171729.GA20345@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=haozhong.zhang@intel.com \
    --cc=nikola.ciprich@linuxbox.cz \
    --cc=pbonzini@redhat.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox