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Groups > linux.kernel > #1625484
| From | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH 9/9] debugfs: free debugfs_fsdata instances |
| Date | 2017-04-18 19:20 +0200 |
| Message-ID | <txEXf-ok-7@gated-at.bofh.it> (permalink) |
| References | (4 earlier) <txxVL-4zJ-7@gated-at.bofh.it> <txBwm-6Is-9@gated-at.bofh.it> <txBG2-6LC-7@gated-at.bofh.it> <txD58-7Jd-11@gated-at.bofh.it> <txDeN-7Mn-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Apr 18, 2017 at 05:20:38PM +0200, Johannes Berg wrote: > On Tue, 2017-04-18 at 08:17 -0700, Paul E. McKenney wrote: > > > > Again, no (S)RCU abuse here, just an ABBA deadlock. > > > > OK, please accept my apologies for failing to follow the thread. > > No worries - just wanted to clarify this in case I was missing > something. > > > I nevertheless reiterate my advice to run at least some tests with > > CONFIG_PROVE_RCU=y. And yes, it would be good to upgrade lockdep > > to find the above theoretical deadlock. > > Right. It won't matter for debugfs after this patchset, but it would > indeed be nice - I failed in my attempt though :) Hey, I was hoping! ;-) Thanx, Paul
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[RFC PATCH 0/9] debugfs: per-file removal protection Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
[RFC PATCH 4/9] debugfs: convert to debugfs_file_get() and -put() Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
[RFC PATCH 2/9] debugfs: implement per-file removal protection Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
[RFC PATCH 5/9] IB/hfi1: convert to debugfs_file_get() and -put() Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
[RFC PATCH 8/9] debugfs: defer debugfs_fsdata allocation to first usage Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
Re: [RFC PATCH 8/9] debugfs: defer debugfs_fsdata allocation to first usage Johannes Berg <johannes@sipsolutions.net> - 2017-04-18 11:40 +0200
[RFC PATCH 6/9] debugfs: purge obsolete SRCU based removal protection Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
[RFC PATCH 9/9] debugfs: free debugfs_fsdata instances Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
Re: [RFC PATCH 9/9] debugfs: free debugfs_fsdata instances "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-17 18:10 +0200
Re: [RFC PATCH 9/9] debugfs: free debugfs_fsdata instances Johannes Berg <johannes@sipsolutions.net> - 2017-04-18 11:50 +0200
Re: [RFC PATCH 9/9] debugfs: free debugfs_fsdata instances "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 15:40 +0200
Re: [RFC PATCH 9/9] debugfs: free debugfs_fsdata instances Johannes Berg <johannes@sipsolutions.net> - 2017-04-18 15:50 +0200
Re: [RFC PATCH 9/9] debugfs: free debugfs_fsdata instances "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 17:20 +0200
Re: [RFC PATCH 9/9] debugfs: free debugfs_fsdata instances Johannes Berg <johannes@sipsolutions.net> - 2017-04-18 17:30 +0200
Re: [RFC PATCH 9/9] debugfs: free debugfs_fsdata instances "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 19:20 +0200
[RFC PATCH 1/9] debugfs: add support for more elaborate ->d_fsdata Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
[RFC PATCH 3/9] debugfs: debugfs_real_fops(): drop __must_hold sparse annotation Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
[RFC PATCH 7/9] debugfs: call debugfs_real_fops() only after debugfs_file_get() Nicolai Stange <nicstange@gmail.com> - 2017-04-16 12:00 +0200
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