 Home |
Products |
Support |
Community |
News |
xen-devel
[Xen-devel] [PATCH 1/3] amd iommu: reduce io page level for hvm guest
| To: | Keir Fraser <keir@xxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH 1/3] amd iommu: reduce io page level for hvm guest |
| From: | Wei Wang2 <wei.wang2@xxxxxxx> |
| Date: | Thu, 27 Jan 2011 15:30:32 +0100 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Thu, 27 Jan 2011 06:33:22 -0800 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxxx |
| List-help: | <mailto:xen-devel-request@lists.xensource.com?subject=help> |
| List-id: | Xen developer discussion <xen-devel.lists.xensource.com> |
| List-post: | <mailto:xen-devel@lists.xensource.com> |
| List-subscribe: | <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe> |
| List-unsubscribe: | <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| User-agent: | KMail/1.9.6 (enterprise 20070904.708012) |
Keir, These 3 patches optimize and cleanup amd iommu codes for 4.1. If not too late please add them into the release. Thanks, Wei 1.Since in most case, 2 or 3 - level IO page tables are sufficient, this patch updates page table level for device assignment to reduces overhead of dma translation 2. Clean up amd_iommu_reserve_domain_unity_map function to reduce code duplication. 3. Clean up invalidate_iommu_page function. Make it suitable for variable page sizes and can be reused by invalidate_all_iommu_pages. Signed-off-by: Wei Wang <wei.wang2@xxxxxxx> -- Advanced Micro Devices GmbH Sitz: Dornach, Gemeinde Aschheim, Landkreis München Registergericht München, HRB Nr. 43632 WEEE-Reg-Nr: DE 12919551 Geschäftsführer: Alberto Bozzo, Andrew Bowd
_______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | [Xen-devel] [PATCH] xen: netfront: handle incoming GSO SKBs which are not CHECKSUM_PARTIAL, Ian Campbell |
|---|---|
| Next by Date: | [Xen-devel] [PATCH 3/3] amd iommu: Clean up invalidate_iommu_page, Wei Wang2 |
| Previous by Thread: | [Xen-devel] Xen watchdog patch disposition?, Jan Beulich |
| Next by Thread: | [Xen-devel] [PATCH 3/3] amd iommu: Clean up invalidate_iommu_page, Wei Wang2 |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
