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From: Razvan Cojocaru <rzvncj@gmail.com>
To: Tomasz Wroblewski <tomasz.wroblewski@citrix.com>
Cc: "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: Why does xc_map_foreign_range() refuse to map pfns below 1M from a domU
Date: Tue, 03 Dec 2013 20:59:20 +0200	[thread overview]
Message-ID: <529E2A08.7070105@gmail.com> (raw)
In-Reply-To: <529E16B0.5010104@citrix.com>

> We've ran into this issue in xenclient recently too, when we finally
> upgraded stubdomain's kernel to pvops version. It seems pvops kernel
> contains safeguard to only allow <1M mappings if it's dom0
> (xen_initial_domain()). This check is placed in arch/x86/xen/mmu.c:

Thanks Tomasz! That's a great lead.

  reply	other threads:[~2013-12-03 18:59 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-03 15:06 Why does xc_map_foreign_range() refuse to map pfns below 1M from a domU Razvan Cojocaru
2013-12-03 15:51 ` Ian Campbell
2013-12-03 15:59   ` Razvan Cojocaru
2013-12-03 16:09     ` Ian Campbell
2013-12-03 17:36       ` Tomasz Wroblewski
2013-12-03 18:59         ` Razvan Cojocaru [this message]
2013-12-03 19:07         ` Konrad Rzeszutek Wilk
2013-12-04 10:24           ` Tomasz Wroblewski
2013-12-04 10:31             ` Jan Beulich
2013-12-04 10:39               ` Ian Campbell
2013-12-04 10:42                 ` Jan Beulich
2013-12-04 10:45                   ` Ian Campbell
2013-12-04 10:54                     ` Jan Beulich
2013-12-04 11:04                       ` Ian Campbell
2013-12-04 11:23                         ` Tomasz Wroblewski
2013-12-04 11:36                           ` Jan Beulich
2013-12-04 12:01                             ` Tomasz Wroblewski
2013-12-04 12:14                               ` Jan Beulich
2013-12-04 12:23                                 ` Ian Campbell
2013-12-04 12:39                                   ` Jan Beulich
2013-12-04 16:40                             ` Konrad Rzeszutek Wilk
2013-12-04 17:16                               ` Tomasz Wroblewski
2014-07-08 14:54                                 ` Mihai Donțu
2013-12-04 11:42             ` Mihai Donțu
2013-12-04 14:19               ` Tomasz Wroblewski
2013-12-04 16:15                 ` Mihai Donțu
  -- strict thread matches above, loose matches on Subject: below --
2013-12-03 16:18 Razvan Cojocaru

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