Bug 1472 - [Feature] swiotlb性能优化
Summary: [Feature] swiotlb性能优化
Status: RESOLVED FIXED
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: general/others (show other bugs) general/others
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: zeyuzhang
QA Contact: shuming
URL:
Whiteboard:
Keywords: FutureFeature
Depends on:
Blocks:
 
Reported: 2022-06-15 16:34 UTC by zeyuzhang
Modified: 2023-01-17 15:12 UTC (History)
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Description zeyuzhang 2022-06-15 16:34:58 UTC 
当前swiotlb机制广泛被机密虚拟机使用，但是大规格的实例会受限于swiotlb本身的缺陷，导致性能下降严重（-50%～90%），因此需要优化现有的swiotlb机制，从而满足大规格机密实例的IO需要。
Comment 1 maqiao alibaba_cloud_group 2023-01-17 15:12:16 UTC 
merged: https://gitee.com/anolis/cloud-kernel/pulls/807