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Groups > linux.kernel > #1369302
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks |
| Date | 2016-04-01 15:20 +0200 |
| Message-ID | <rj79v-4RA-1@gated-at.bofh.it> (permalink) |
| References | <rj57J-3qc-27@gated-at.bofh.it> <rj5AK-3Cg-13@gated-at.bofh.it> <rj6n9-4aM-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 1 April 2016 14:23:58 CEST, Xunlei Pang <xpang@redhat.com> wrote: >>> We need this iff lock owner has the deadline priority. >> How is this deadline specific, those functions you modify are >> deadline/rt agnostic. > >I checked the code, currently only deadline accesses the >pi_waiters/pi_waiters_leftmost >without pi_lock held via rt_mutex_get_top_task(), other cases all have >pi_lock held. > >So adding the condition. How does that not suggest fixing the deadline code? -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
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[PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks Xunlei Pang <xlpang@redhat.com> - 2016-04-01 13:10 +0200
Re: [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks Peter Zijlstra <peterz@infradead.org> - 2016-04-01 13:40 +0200
Re: [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks Xunlei Pang <xpang@redhat.com> - 2016-04-01 14:30 +0200
Re: [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks Peter Zijlstra <peterz@infradead.org> - 2016-04-01 15:20 +0200
Re: [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks Xunlei Pang <xpang@redhat.com> - 2016-04-01 15:40 +0200
Re: [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks Peter Zijlstra <peterz@infradead.org> - 2016-04-02 00:00 +0200
Re: [PATCH] sched/deadline/rtmutex: Fix a PI crash for deadline tasks Xunlei Pang <xpang@redhat.com> - 2016-04-02 12:30 +0200
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