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erofs-linux/drivers/tty/vt
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Nicolas Pitre 5eb608319b vt: save/restore unicode screen buffer for alternate screen 
The alternate screen support added by commit 23743ba647 ("vt: add
support for smput/rmput escape codes") only saves and restores the
regular screen buffer (vc_origin), but completely ignores the corresponding
unicode screen buffer (vc_uni_lines) creating a messed-up display.

Add vc_saved_uni_lines to save the unicode screen buffer when entering
the alternate screen, and restore it when leaving. Also ensure proper
cleanup in reset_terminal() and vc_deallocate().

Fixes: 23743ba647 ("vt: add support for smput/rmput escape codes")
Cc: stable <[email protected]>
Signed-off-by: Nicolas Pitre <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
2026-03-13 09:15:58 +01:00
..
.gitignore
vt: create ucs_fallback_table.h_shipped with gen_ucs_fallback_table.py
2025-05-21 13:39:45 +02:00
conmakehash.c
tty: vt: conmakehash: remove non-portable code printing comment header
2024-08-13 11:06:29 +02:00
consolemap.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
cp437.uni
…
defkeymap.c_shipped
vt: defkeymap: Map keycodes above 127 to K_HOLE
2025-07-22 18:53:56 +02:00
defkeymap.map
…
gen_ucs_fallback_table.py
vt: process the full-width ASCII fallback range programmatically
2025-05-21 13:39:45 +02:00
gen_ucs_recompose_table.py
vt: move UCS tables to the "shipped" form
2025-04-26 11:22:04 +02:00
gen_ucs_width_table.py
vt: move UCS tables to the "shipped" form
2025-04-26 11:22:04 +02:00
keyboard.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
Makefile
vt: add ucs_get_fallback()
2025-05-21 13:39:45 +02:00
selection.c
drivers/tty/vt: use umin() instead of min_t(u16, ...) for row/col limits
2025-11-21 18:16:11 +01:00
ucs_fallback_table.h_shipped
vt: process the full-width ASCII fallback range programmatically
2025-05-21 13:39:45 +02:00
ucs_recompose_table.h_shipped
vt: move UCS tables to the "shipped" form
2025-04-26 11:22:04 +02:00
ucs_width_table.h_shipped
vt: move UCS tables to the "shipped" form
2025-04-26 11:22:04 +02:00
ucs.c
vt: fix kernel-doc warnings in ucs_get_fallback()
2025-06-19 13:27:36 +02:00
vc_screen.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
vt_ioctl.c
tty/vt: Add missing return value for VT_RESIZE in vt_ioctl()
2025-09-06 15:49:55 +02:00
vt.c
vt: save/restore unicode screen buffer for alternate screen
2026-03-13 09:15:58 +01:00