PM: add clarifying comment about exiting system processes early (thanks Philip)
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1 changed files with 4 additions and 1 deletions
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@ -260,7 +260,10 @@ int exit_type; /* one of PM_EXIT, PM_EXIT_TR, PM_DUMPCORE */
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if (rmp->mp_flags & PRIV_PROC)
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if (rmp->mp_flags & PRIV_PROC)
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{
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{
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/* destroy system processes without waiting for FS */
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/* Destroy system processes without waiting for FS. This is
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* needed because the system process might be a block device
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* driver that FS is blocked waiting on.
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*/
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if((r= sys_exit(rmp->mp_endpoint)) != OK)
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if((r= sys_exit(rmp->mp_endpoint)) != OK)
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panic(__FILE__, "exit_proc: sys_exit failed", r);
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panic(__FILE__, "exit_proc: sys_exit failed", r);
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}
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}
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