[PATCH v5 0/2] console: Add persistent scrollback buffers for all VGA console

Manuel Schölling
2016-11-20T21:58:06Z

Changes in v5:
- Clearify documentation
- Skip superfluous array initialization
- Disable scrollback if buffer allocation fails
- Refactor vgacon_switch_scrollback()
- Rename vgacon_switch_scrollback() to vgacon_scrollback_switch()
- Add check for fg_console in vgacon_scrollback_update
Changes in v4.1 to v4.2:
- Fix compiler error
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)

Manuel SchÃ¶lling (2):
console: Move scrollback data into its own struct
console: Add persistent scrollback buffers for all VGA consoles

drivers/video/console/Kconfig | 25 ++++++-
drivers/video/console/vgacon.c | 146 +++++++++++++++++++++++++++--------------
2 files changed, 117 insertions(+), 54 deletions(-)

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2.1.4