(Was: introduce for_each_process_thread_{break,continue}() helpers)
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| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/1 | stop_machine: touch_nmi_watchdog() after MULTI_STOP_PREPAREkernel/ | +8 | 1 reply |
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| Patch | Thomas Gleixner |
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| 1/1 | R-b |
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Cover letter [PATCH 0/1] (Was: introduce for_each_process_thread_{break,continue}() helpers)
Quoted 5 lines · Oleg Nesterov
IMHO this makes sense in any case, but mostly this is preparation for another change:
show_state_filter()should be preemptible. But this needs more discussion, I'll write another email/patch when I fully understand the hard-lockup caused by sysrq-t.
Yes, we need to do something with show_state_filter() anyway, I think.
OTOH, I believe this simple change in multi_cpu_stop() makes sense too regardless.
Oleg.