Messages in this thread | | | Date | Wed, 9 Jan 2008 11:20:17 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] Change x86 Machine check handler to use unlocked_iocl instead of ioctl |
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* Nikanth Karthikesan <knikanth@suse.de> wrote:
> The Machine check handler registers ioctl handler that is called with > the BKL held. Changing to register unlocked_ioctl instead. Also mce > ioctl handler does not seem to need any lock protection. > > Change the Machine check handler to use unlocked_ioctl instead of > ioctl handler. Also the mce ioctl handler does not need any lock > protection.
thanks, applied to x86.git. Mcelog functionality uses cmpxchg so no need for the BKL there. The ioctl still being BKL is purely historic and it was never relied on.
Ingo
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