From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Tamas K Lengyel <tamas.lengyel@intel.com>,
<xen-devel@lists.xenproject.org>
Cc: "George Dunlap" <george.dunlap@eu.citrix.com>,
"Wei Liu" <wl@xen.org>, "Jan Beulich" <jbeulich@suse.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH v8 1/5] x86/p2m: Allow p2m_get_page_from_gfn to return shared entries
Date: Fri, 21 Feb 2020 13:48:44 +0000 [thread overview]
Message-ID: <826546f9-3146-cbea-8496-1d6be1ebc23e@citrix.com> (raw)
In-Reply-To: <cf992d6e4dd09acc48afb42d43be4a900baee189.1581362050.git.tamas.lengyel@intel.com>
On 10/02/2020 19:21, Tamas K Lengyel wrote:
> The owner domain of shared pages is dom_cow, use that for get_page
> otherwise the function fails to return the correct page under some
> situations. The check if dom_cow should be used was only performed in
> a subset of use-cases. Fixing the error and simplifying the existing check
> since we can't have any shared entries with dom_cow being NULL.
>
> Signed-off-by: Tamas K Lengyel <tamas.lengyel@intel.com>
Given the recent change in p2m maintainership, I've committed this and
fixed up the style issues.
~Andrew
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next prev parent reply other threads:[~2020-02-21 13:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-10 19:21 [Xen-devel] [PATCH v8 0/5] VM forking Tamas K Lengyel
2020-02-10 19:21 ` [Xen-devel] [PATCH v8 1/5] x86/p2m: Allow p2m_get_page_from_gfn to return shared entries Tamas K Lengyel
2020-02-11 9:16 ` Jan Beulich
2020-02-11 10:29 ` Tamas K Lengyel
2020-02-11 11:04 ` Jan Beulich
2020-02-11 13:34 ` Tamas K Lengyel
2020-02-21 13:48 ` Andrew Cooper [this message]
2020-02-21 14:21 ` Tamas K Lengyel
2020-02-10 19:21 ` [Xen-devel] [PATCH v8 2/5] xen/x86: Make hap_get_allocation accessible Tamas K Lengyel
2020-02-10 19:21 ` [Xen-devel] [PATCH v8 3/5] xen/mem_sharing: VM forking Tamas K Lengyel
2020-02-21 13:43 ` Andrew Cooper
2020-02-21 14:02 ` Andrew Cooper
2020-02-21 14:22 ` Tamas K Lengyel
2020-02-21 14:42 ` Andrew Cooper
2020-02-21 17:07 ` Tamas K Lengyel
2020-02-21 17:47 ` Andrew Cooper
2020-02-21 17:56 ` Tamas K Lengyel
2020-02-21 18:08 ` Tamas K Lengyel
2020-02-10 19:21 ` [Xen-devel] [PATCH v8 4/5] x86/mem_sharing: reset a fork Tamas K Lengyel
2020-02-10 19:21 ` [Xen-devel] [PATCH v8 5/5] xen/tools: VM forking toolstack side Tamas K Lengyel
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