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    Subject[PATCH v4] console: Add persistent scrollback buffers for all VGA console
    Date
    ---
    Changes in v4:
    - Rename from VGACON_SOFT_SCROLLBACK_FOR_EACH_CONSOLE to
    VGACON_SOFT_SCROLLBACK_PERSISTENT
    - Split into two patches
    - Rework documentation
    - Remove cosmetic changes in comments (postponed)
    Changes in v3:
    - Add config option for this feature
    - Fallback to old scrollback buffer if kcalloc() fails
    - Remove ioctl() call again and add documentation about existing
    escape sequence to flush the scrollback buffer
    Changes in v2:
    - Add ioctl() call to flush scrollback buffer
    - (Patch v2 was not labeled as such, sorry)



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