From: Tamas K Lengyel <tamas@tklengyel.com>
To: Ian Jackson <iwj@xenproject.org>
Cc: "Tamas K Lengyel" <tamas.lengyel@intel.com>,
Xen-devel <xen-devel@lists.xenproject.org>,
"Jan Beulich" <jbeulich@suse.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"George Dunlap" <george.dunlap@citrix.com>,
"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>
Subject: Re: [PATCH for-4.15] x86/mem_sharing: copy parent VM's hostp2m's max_mapped_pfn during forking
Date: Fri, 26 Mar 2021 08:14:50 -0400 [thread overview]
Message-ID: <CABfawh=2rwOe=FCaoaLYOFnmbReonRJrujYjqBy-T+L_-dpfAw@mail.gmail.com> (raw)
In-Reply-To: <24669.51029.465080.822794@mariner.uk.xensource.com>
On Fri, Mar 26, 2021 at 7:37 AM Ian Jackson <iwj@xenproject.org> wrote:
>
> Tamas K Lengyel writes ("Re: [PATCH for-4.15] x86/mem_sharing: copy parent VM's hostp2m's max_mapped_pfn during forking"):
> > On Thu, Mar 18, 2021 at 5:36 PM Tamas K Lengyel <tamas.lengyel@intel.com> wrote:
> > >
> > > When creating a VM fork copy the parent VM's hostp2m max_mapped_pfn value. Some
> > > toolstack relies on the XENMEM_maximum_gpfn value to establish the maximum
> > > addressable physical memory in the VM and for forks that have not yet been
> > > unpaused that value is not going to reflect the correct max gpfn that's
> > > possible to populate into the p2m. This patch fixes the issue.
> ...
> > CC-ing Ian as 4.15 release manager. This patch is safe to include in
> > 4.15 as it's a minor fix in a tech preview feature that's not even
> > compiled by default.
>
> As far as I can tell this patch is lacking a maintainer review ?
>
> Release-Acked-by: Ian Jackson <iwj@xenproject.org>
>
> *Provided that it is committed today* I'm not sure how likely that is.
Thanks, as I'm the sole maintainer of the code AFAIU it just needs a
Reviewed-by from someone in the community.
Tamas
next prev parent reply other threads:[~2021-03-26 12:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-18 21:36 [PATCH for-4.15] x86/mem_sharing: copy parent VM's hostp2m's max_mapped_pfn during forking Tamas K Lengyel
2021-03-19 10:23 ` Jan Beulich
2021-03-19 11:06 ` Tamas K Lengyel
2021-03-19 11:25 ` Jan Beulich
2021-03-19 12:17 ` Tamas K Lengyel
2021-03-19 12:31 ` Tamas K Lengyel
2021-03-24 11:42 ` Tamas K Lengyel
2021-03-26 11:36 ` Ian Jackson
2021-03-26 12:14 ` Tamas K Lengyel [this message]
2021-03-26 12:31 ` Ian Jackson
2021-03-26 15:04 ` Andrew Cooper
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='CABfawh=2rwOe=FCaoaLYOFnmbReonRJrujYjqBy-T+L_-dpfAw@mail.gmail.com' \
--to=tamas@tklengyel.com \
--cc=andrew.cooper3@citrix.com \
--cc=george.dunlap@citrix.com \
--cc=iwj@xenproject.org \
--cc=jbeulich@suse.com \
--cc=roger.pau@citrix.com \
--cc=tamas.lengyel@intel.com \
--cc=wl@xen.org \
--cc=xen-devel@lists.xenproject.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;
as well as URLs for NNTP newsgroup(s).