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    SubjectRe: [PATCH] video4linux: Push down the BKL
    On Thu, 22 May 2008, Alan Cox wrote:

    > For most drivers the generic ioctl handler does the work and we update it
    > and it becomes the unlocked_ioctl method. Older drivers use the usercopy
    > method so we make it do the work. Finally there are a few special cases.
    > Signed-off-by: Alan Cox <>

    The pvrusb2 driver already should not require the BKL. Though since
    this driver (like every V4L driver) is using video_usercopy() then it's
    obviously going along for the ride here with respect to the overall
    issue here in pushing the lock down into video_usercopy(). In the mean
    time, for the pvrusb2 portion of this patch...

    Acked-By: Mike Isely <>



    Mike Isely
    isely @ pobox (dot) com
    PGP: 03 54 43 4D 75 E5 CC 92 71 16 01 E2 B5 F5 C1 E8

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