[SCM] GNU Mach branch, master, updated. v1.8-1129-gb1e7bd5b

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commit b1e7bd5ba16ba761e9f62cdf8622436f385049c0
Author: Mike Kelly <[email protected]>
Date:   Tue Feb 10 07:52:54 2026 +0000

    task_terminate() relies on threads terminating in list order
    
    Calling task_terminate() (on other than current_task()) risks deadlocking if the task being terminated has multiple threads. Currently, the head of the thread list must terminate successfully before terminating the next in the list. This is not always possible, for example a thread which is not the list head might hold a thread_reference to the thread at the list head. In that case, the list head cannot be terminated until the other thread releases that reference which won't happen if that other thread is TH_SUSP as it is not rescheduled. Instead, task terminate() now attempts thread terminatation in list sequence (rather than just the list head) and keeps doing so until none remain.
    Message-ID: <[email protected]>

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Summary of changes:
 kern/task.c | 59 +++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 37 insertions(+), 22 deletions(-)


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