fix(process): correct CPU kick logic for process migration#1879
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fslongjin wants to merge 4 commits intoDragonOS-Community:masterfrom
Open
fix(process): correct CPU kick logic for process migration#1879fslongjin wants to merge 4 commits intoDragonOS-Community:masterfrom
fslongjin wants to merge 4 commits intoDragonOS-Community:masterfrom
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fslongjin
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Apr 26, 2026
fslongjin
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- Refactor kick_cpu condition to properly lock target rq before reading rq.current
- Address DragonOS's different rq.current convention compared to Linux's lockless approach
- Ensure thread safety when checking if target CPU is running the process to be migrated
- Refactor kick_cpu condition to properly lock target rq before reading rq.current - Address DragonOS's different rq.current convention compared to Linux's lockless approach - Ensure thread safety when checking if target CPU is running the process to be migrated Signed-off-by: longjin <longjin@DragonOS.org>
- Implement`select_task_rq`for fork/wakeup - Add`request_task_migration`for affinity changes - Initialize EFER.NXE on APs - Fix FUSE deadlock by dropping mutex before requests - Support per-CPU kernel threads Signed-off-by: longjin <longjin@DragonOS.org>
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- Move current task migration from __schedule to switch_process to ensure proper context switching - Add migrate_prev_to field to SwitchResult for deferred migration - Add test cases for thread migration by another thread and self-migration Signed-off-by: longjin <longjin@DragonOS.org>
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