Messages in this thread | | | Date | Fri, 5 Apr 2013 12:05:26 -0500 | From | Nathan Zimmer <> | Subject | Re: [PATCH resend] fs/proc: Move kfree outside pde_unload_lock |
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On 04/04/2013 03:44 PM, Al Viro wrote: > On Thu, Apr 04, 2013 at 12:12:05PM -0500, Nathan Zimmer wrote: > >> Ok I am cloning the tree now. >> It does look like the patches would conflict. >> I'll run some tests and take a deeper look. > FWIW, I've just pushed there a tentative patch that switches to hopefully > saner locking (head should be at cb673c115c1f99d3480471ca5d8cb3f89a1e3bee). > Is that more or less what you want wrt spinlock contention? > > One note: for any given pde_opener, close_pdeo() can be called at most > by two threads - final fput() and remove_proc_entry() resp. I think > the use of completion + flag is safe there; pde->pde_unload_lock > should serialize the critical areas.
Something isn't quite right. I keep getting hung during boot. dracut: Mounted root filesystem /dev/sda8 dracut: Switching root
I'll try to get some more info on a smaller box.
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