Messages in this thread | | | Date | Tue, 9 Nov 2010 21:35:10 +0100 | From | Jens Axboe <> | Subject | Re: [2.6.37-rc1] sys_ioprio_set and RCU locking... |
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On 2010-11-08 14:55, Jens Axboe wrote: >>>>> Take the RCU lock for read across acquiring the pointer to the task >>>>> credentials and dereferencing it. >>>> >>>> Jens, does this look sane? >>> >>> Yes, looks clean enough to me. >> >> Very good! Are you willing to take the patch in your tree? > > Certainly, I'm in the middle of patch monkeying now anyway. Will queue > it up.
The patch was buggy, I discovered that it does not do the proper RCU unlock if we fail the uid match. Merged version here:
http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=1a882abdbf9579ad0e5655f928e4ede30db301e6
-- Jens Axboe
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