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[Xen-devel] [PATCH] Simplify paging_invlpg when flush is not required.


  • To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
  • Date: Sun, 3 Feb 2008 13:59:28 +0800
  • Delivery-date: Sat, 02 Feb 2008 22:01:02 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AchmKe/O98M9ImhQROaw3KDvTG8qog==
  • Thread-topic: [PATCH] Simplify paging_invlpg when flush is not required.

Simplify paging_invlpg when flush is not required.

New 'flush' parameter is added to paging_invlpg, to allow
caller assigning whether flush check is required. It's
wasteful to always validate shadow linear mapping if caller
doesn't check return value at all.

Signed-off-by Kevin Tian <kevin.tian@xxxxxxxxx>

Thanks,
Kevin

Attachment: invlpg.patch
Description: invlpg.patch

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