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    SubjectRe: [PATCH -mmotm] fbmem: fix fb_info->lock and mm->mmap_sem circular locking dependency
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    On Thursday 05 February 2009, Rafael J. Wysocki wrote:
    > On Wednesday 04 February 2009, Andrea Righi wrote:
    > > Fix this circular locking dependencies in the frame buffer console
    > > driver pushing down the mutex fb_info->lock.
    > >
    > > Circular locking dependecies occur calling the blocking
    > > fb_notifier_call_chain() with fb_info->lock held. Notifier callbacks can
    > > try to acquire mm->mmap_sem, while fb_mmap() acquires the locks in the
    > > reverse order mm->mmap_sem => fb_info->lock.
    >
    > Does this fix a Bugzilla bug? If so, then which one?

    Never mind, found it.

    Thanks,
    Rafael


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