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Filename Latest commit message Latest commit date
Linus Torvalds f5fa64c8da vgacon: remove software scrollback support
commit 973c096f6a85e5b5f2a295126ba6928d9a6afd45 upstream.

Yunhai Zhang recently fixed a VGA software scrollback bug in commit
ebfdfeeae8c0 ("vgacon: Fix for missing check in scrollback handling"),
but that then made people look more closely at some of this code, and
there were more problems on the vgacon side, but also the fbcon software
scrollback.

We don't really have anybody who maintains this code - probably because
nobody actually _uses_ it any more.  Sure, people still use both VGA and
the framebuffer consoles, but they are no longer the main user
interfaces to the kernel, and haven't been for decades, so these kinds
of extra features end up bitrotting and not really being used.

So rather than try to maintain a likely unused set of code, I'll just
aggressively remove it, and see if anybody even notices.  Maybe there
are people who haven't jumped on the whole GUI badnwagon yet, and think
it's just a fad.  And maybe those people use the scrollback code.

If that turns out to be the case, we can resurrect this again, once
we've found the sucker^Wmaintainer for it who actually uses it.

Reported-by: NopNop Nop <nopitydays@gmail.com>
Tested-by: Willy Tarreau <w@1wt.eu>
Cc: 张云海 <zhangyunhai@nsfocus.com>
Acked-by: Andy Lutomirski <luto@amacapital.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-17 13:45:29 +02:00
..
alpha alpha: fix annotation of io{read,write}{16,32}be() 2020-08-26 10:31:02 +02:00
arc ARC: [plat-hsdk]: Switch ethernet phy-mode to rgmii-id 2020-09-17 13:45:25 +02:00
arm ARM: dts: BCM5301X: Fixed QSPI compatible string 2020-09-17 13:45:23 +02:00
arm64 arm64: dts: ns2: Fixed QSPI compatible string 2020-09-17 13:45:23 +02:00
c6x kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
h8300 h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux- 2019-04-05 22:32:55 +02:00
hexagon hexagon: define ioremap_uc 2020-05-10 10:30:11 +02:00
ia64 scsi: sr: remove references to BLK_DEV_SR_VENDOR, leave it enabled 2020-07-22 09:32:04 +02:00
m68k m68knommu: fix overwriting of bits in ColdFire V3 cache control 2020-08-26 10:31:01 +02:00
microblaze microblaze: Prevent the overflow of the start 2020-02-24 08:34:53 +01:00
mips MIPS: BMIPS: Also call bmips_cpu_setup() for secondary cores 2020-09-09 19:04:24 +02:00
nds32 nds32: Fix the items of hwcap_str ordering issue. 2019-12-13 08:51:35 +01:00
nios2 nios2: ksyms: Add missing symbol exports 2020-01-27 14:50:30 +01:00
openrisc openrisc: Fix oops caused when dumping stack 2020-08-21 11:05:37 +02:00
parisc parisc: Implement __smp_store_release and __smp_load_acquire barriers 2020-08-19 08:15:07 +02:00
powerpc vgacon: remove software scrollback support 2020-09-17 13:45:29 +02:00
riscv RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw 2020-07-29 10:16:54 +02:00
s390 s390: don't trace preemption in percpu macros 2020-09-09 19:04:23 +02:00
sh sh: landisk: Add missing initialization of sh_io_port_base 2020-08-21 11:05:39 +02:00
sparc scsi: sr: remove references to BLK_DEV_SR_VENDOR, leave it enabled 2020-07-22 09:32:04 +02:00
um um: ubd: Prevent buffer overrun on command completion 2020-04-23 10:30:19 +02:00
unicore32 mm: convert return type of handle_mm_fault() caller to vm_fault_t 2018-08-17 16:20:28 -07:00
x86 vgacon: remove software scrollback support 2020-09-17 13:45:29 +02:00
xtensa xtensa: fix xtensa_pmu_setup prototype 2020-08-21 11:05:31 +02:00
.gitignore
Kconfig jump_label: move 'asm goto' support test to Kconfig 2019-06-04 08:02:34 +02:00