Bug 6085 - Synchronize some limitations, optimizations, bugfixes common to SEV and SEV-ES in KVM
Summary: Synchronize some limitations, optimizations, bugfixes common to SEV and SEV-E...
Status: NEW
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: X86 (show other bugs) X86
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: Guanjun
QA Contact: shuming
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Reported: 2023-08-03 15:11 UTC by wojiaohanliyang
Modified: 2023-08-03 17:55 UTC (History)
2 users (show)

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Description wojiaohanliyang hygon_group 2023-08-03 15:11:17 UTC 
Description of problem:

This bugzilla mainly addresses the following issues:
    a. free allocated asid bitmap asap
    b. reduce unnecessary df_flush
    c. don't intercept #GP for memory encrypted guest
    d. don't setup sev hardware if DECODEASSISTS is unsupported
    e. issue warning when emulating #UD/#GP
    f. inject #UD if emulation is allowed but instruction buffer does not exist
    g. avoid warning when sev_clflush_pages() handling large number of pages.
    h. Ensure ASID flush is performed when necessary.


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Comment 1 小龙 admin 2023-08-03 17:55:53 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/1991