Re: [Xen-devel] [v8][PATCH 09/17] hvmloader/ram: check if guest memory is out of reserved device memory maps

2014-12-04 Thread Tian, Kevin
From: Jan Beulich [mailto:jbeul...@suse.com] Sent: Friday, December 05, 2014 12:20 AM On 01.12.14 at 10:24, tiejun.c...@intel.com wrote: We need to check to reserve all reserved device memory maps in e820 to avoid any potential guest memory conflict. Currently, if we can't insert RDM

Re: [Xen-devel] [v8][PATCH 09/17] hvmloader/ram: check if guest memory is out of reserved device memory maps

2014-12-04 Thread Jan Beulich
On 05.12.14 at 07:23, kevin.t...@intel.com wrote: From: Jan Beulich [mailto:jbeul...@suse.com] Sent: Friday, December 05, 2014 12:20 AM On 01.12.14 at 10:24, tiejun.c...@intel.com wrote: We need to check to reserve all reserved device memory maps in e820 to avoid any potential guest

Re: [Xen-devel] [v8][PATCH 09/17] hvmloader/ram: check if guest memory is out of reserved device memory maps

2014-12-02 Thread Tian, Kevin
From: Chen, Tiejun Sent: Monday, December 01, 2014 5:24 PM We need to check to reserve all reserved device memory maps in e820 to avoid any potential guest memory conflict. Currently, if we can't insert RDM entries directly, we may need to handle several ranges as follows: a. Fixed

Re: [Xen-devel] [v8][PATCH 09/17] hvmloader/ram: check if guest memory is out of reserved device memory maps

2014-12-02 Thread Konrad Rzeszutek Wilk
On Mon, Dec 01, 2014 at 05:24:27PM +0800, Tiejun Chen wrote: We need to check to reserve all reserved device memory maps in e820 to avoid any potential guest memory conflict. Currently, if we can't insert RDM entries directly, we may need to handle several ranges as follows: s/several/two/

[Xen-devel] [v8][PATCH 09/17] hvmloader/ram: check if guest memory is out of reserved device memory maps

2014-12-01 Thread Tiejun Chen
We need to check to reserve all reserved device memory maps in e820 to avoid any potential guest memory conflict. Currently, if we can't insert RDM entries directly, we may need to handle several ranges as follows: a. Fixed Ranges -- BUG() lowmem_reserved_base-0xA: reserved by BIOS