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[Xen-devel][PATCH] HAP: Add hardware capability check for 2MB super page.


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx>
  • Date: Fri, 28 May 2010 10:50:33 +0800
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Delivery-date: Thu, 27 May 2010 19:52:32 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acr+EIrySFWsZpwmTDq70RlLuyWFSA==
  • Thread-topic: [Xen-devel][PATCH] HAP: Add hardware capability check for 2MB super page.

HAP: Add hardware capability check for 2MB super page.

 - While setting the HAP entry previously, we only check the hardware capability
for 1GB super page. This patch adds hardware capability check for 2MB super page
 - Besides, Intel SDM doesn't exclude 1GB feature for 32/pae host. Therefore
remove the BUG_ON() check in common code.

Signed-off-by: Dongxiao Xu <dongxiao.xu@xxxxxxxxx>

Attachment: ept.patch
Description: ept.patch

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