Bug 27431 - Intel: backport posted_msi support from upstream
Summary: Intel: backport posted_msi support from upstream
Status: NEW
Alias: None
Product: ANCK 6.6 Dev
Classification: ANCK
Component: X86 (show other bugs) X86
Version: unspecified
Hardware: x86_64 Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: Guanjun
QA Contact: shuming
URL:
Whiteboard:
Keywords: FromCommunity
Depends on:
Blocks:
 
Reported: 2025-11-28 16:52 UTC by yiliu1765
Modified: 2025-12-09 15:59 UTC (History)
3 users (show)

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Description yiliu1765 intel_group 2025-11-28 16:52:52 UTC 
ed1e48ea4370 iommu/vt-d: Enable posted mode for device MSIs
be9be07b22c9 iommu/vt-d: Make posted MSI an opt-in command line option
ce0a92871179 x86/irq: Extend checks for pending vectors to posted interrupts
fef05a078b6f x86/irq: Factor out common code for checking pending interrupts
1b03d82ba15e x86/irq: Install posted MSI notification handler
6087c7f36ab2 x86/irq: Factor out handler invocation from common_interrupt()
43650dcf6d63 x86/irq: Set up per host CPU posted interrupt descriptors
f5a3562ec9dd x86/irq: Reserve a per CPU IDT vector for posted MSIs
7fec07fd2178 x86/irq: Add a Kconfig option for posted MSI
2254808b53d9 x86/irq: Remove bitfields in posted interrupt descriptor
4ec8fd037139 x86/irq: Unionize PID.PIR for 64bit access w/o casting
699f67512f04 KVM: VMX: Move posted interrupt descriptor out of VMX code
Comment 1 小龙 admin 2025-12-09 14:40:22 UTC 
The PR Link: https://gitee.com/anolis/intel-cloud-kernel/pulls/35
Comment 2 小龙 admin 2025-12-09 14:58:20 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/6163
Comment 3 小龙 admin 2025-12-09 15:59:28 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/6165