Re: [Bug] 12.864681 BUG: lock held when returning to user space!

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On Tue, 2013-10-08 at 09:45 -0400, Douglas Gilbert wrote:
> On 13-10-08 02:44 AM, vaughan wrote:
> > Hi Madper,
> >
> > CC to Douglas to get comments.
> > I use the rw_semaphore o_sem to protect excl open, introduced in commit
> > 15b06f9a02406e5460001db6d5af5c738cd3d4e7 since v3.12-rc1.
> > Is it forbidden to do like that in kernel?...
> 
> It appears you can not (allow sg_open() to hold a semaphore
> then return to the user space). So you will need to do some
> rework on that patch or revert it.

OK, there being no reply on this, I'll do the revert ... that's all four
patches, correct?

James


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