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Message-ID: <4CD9B07E.70502@fusionio.com> Date: Tue, 9 Nov 2010 21:35:10 +0100 From: Jens Axboe <jaxboe@...ionio.com> To: "paulmck@...ux.vnet.ibm.com" <paulmck@...ux.vnet.ibm.com> CC: Daniel J Blueman <daniel.blueman@...il.com>, Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: [2.6.37-rc1] sys_ioprio_set and RCU locking... 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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