From: Ian Jackson <iwj@xenproject.org>
To: Tamas K Lengyel <tamas@tklengyel.com>
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 11:36:53 +0000 [thread overview]
Message-ID: <24669.51029.465080.822794@mariner.uk.xensource.com> (raw)
In-Reply-To: <CABfawhmscVPFX6QM4Sfcpo=MjPn4xrfDcBcDmqpFc7awdut2jw@mail.gmail.com>
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,
Ian.
next prev parent reply other threads:[~2021-03-26 11:37 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 [this message]
2021-03-26 12:14 ` Tamas K Lengyel
2021-03-26 12:31 ` Ian Jackson
2021-03-26 15:04 ` Andrew Cooper
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