From: Ross Lagerwall <ross.lagerwall@citrix.com>
To: David Vrabel <david.vrabel@citrix.com>, xen-devel@lists.xenproject.org
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH] x86/xen: Warn when there's no mfn for pfn
Date: Thu, 2 Apr 2015 10:10:42 +0100 [thread overview]
Message-ID: <551D0792.6090206@citrix.com> (raw)
In-Reply-To: <551D0546.8040702@citrix.com>
On 04/02/2015 10:00 AM, David Vrabel wrote:
> On 02/04/15 08:28, Ross Lagerwall wrote:
>> I recently had to debug dom0 taking a fatal page fault and it would have
>> been useful if it warned when creating a non-present pte if there's no
>> mfn for a pfn.
>
> This will trigger for ever PTE covering memory hotplugged by the balloon
> driver, so I don't think we can take this.
>
That's unfortunate, I thought there may be some issue where it would be
triggered spuriously.
--
Ross Lagerwall
prev parent reply other threads:[~2015-04-02 9:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-02 7:28 [PATCH] x86/xen: Warn when there's no mfn for pfn Ross Lagerwall
2015-04-02 9:00 ` David Vrabel
2015-04-02 9:10 ` Ross Lagerwall [this message]
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