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    SubjectRe: Huge console switching lags

    > Well, there are indeed a few improvements to get with machine specific
    > optimisations on unaccelerated framebuffer.
    [snip]...

    Neat trick. Please note also that no read operations to the framebuffer
    are done by the fbcon layer. Such reads should be to the shadow buffers
    (vc_screenbuffer) instead. Reading the framebuffer is a userland operation
    and as such you really only tricks for reading in userland.

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