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- Allow console fonts up to 64x128 pixels (Samuel Thibault)
- Prevent division-by-zero in fb monitor code (Roman Smirnov)
- Drop Renesas ARM platforms from Mobile LCDC framebuffer driver
(Geert Uytterhoeven)
- Various code cleanups in viafb, uveafb and mb862xxfb drivers by
Aleksandr Burakov, Li Zhijian and Michael Ellerman
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Merge tag 'fbdev-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
- Allow console fonts up to 64x128 pixels (Samuel Thibault)
- Prevent division-by-zero in fb monitor code (Roman Smirnov)
- Drop Renesas ARM platforms from Mobile LCDC framebuffer driver (Geert
Uytterhoeven)
- Various code cleanups in viafb, uveafb and mb862xxfb drivers by
Aleksandr Burakov, Li Zhijian and Michael Ellerman
* tag 'fbdev-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: panel-tpo-td043mtea1: Convert sprintf() to sysfs_emit()
fbmon: prevent division by zero in fb_videomode_from_videomode()
fbcon: Increase maximum font width x height to 64 x 128
fbdev: viafb: fix typo in hw_bitblt_1 and hw_bitblt_2
fbdev: mb862xxfb: Fix defined but not used error
fbdev: uvesafb: Convert sprintf/snprintf to sysfs_emit
fbdev: Restrict FB_SH_MOBILE_LCDC to SuperH
By using bitmaps we actually support whatever size we would want, but
the console currently limits fonts to 64x128 (which gives 60x16 text on
4k screens), so we don't need more for now, and we can easily increase
later.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Allow FONT_SUN8x16 when EARLYFB is enabled for sparc64, even when
FRAMEBUFFER_CONSOLE is not to avoid the following warning for this case
WARNING: unmet direct dependencies detected for FONT_SUN8x16
Depends on [n]: FONT_SUPPORT [=y] && (FRAMEBUFFER_CONSOLE [=n] && (FONTS [=n] || SPARC [=y]) || BOOTX_TEXT)
Selected by [y]:
- EARLYFB [=y] && SPARC64 [=y]
by allowing it in the same manner as is done for powerpc in commit
0ebc7feae7 ("powerpc: Use shared font data").
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Fixes: 0f1991949d ("sparc: Use shared font data")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202402241539.epQT43nI-lkp@intel.com/
Cc: "Dr. David Alan Gilbert" <linux@treblig.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Reviewed-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20240307180742.900068-1-andreas@gaisler.com
PowerPC has a 'btext' font used for the console which is almost identical
to the shared font_sun8x16, so use it rather than duplicating the data.
They were actually identical until about a decade ago when
commit bcfbeecea1 ("drivers: console: font_: Change a glyph from
"broken bar" to "vertical line"")
which changed the | in the shared font to be a solid
bar rather than a broken bar. That's the only difference.
This was originally spotted by the PMF source code analyser, which
noticed that sparc does the same thing with the same data, and they
also share a bunch of functions to manipulate the data. I've previously
posted a near identical patch for sparc.
Tested very lightly with a boot without FS in qemu.
Signed-off-by: "Dr. David Alan Gilbert" <linux@treblig.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230825142754.1487900-1-linux@treblig.org
Shifting signed 32-bit value by 31 bits is undefined, so changing
significant bit to unsigned. The UBSAN warning calltrace like below:
UBSAN: shift-out-of-bounds in lib/fonts/fonts.c:139:20
left shift of 1 by 31 places cannot be represented in type 'int'
<TASK>
dump_stack_lvl+0x7d/0xa5
dump_stack+0x15/0x1b
ubsan_epilogue+0xe/0x4e
__ubsan_handle_shift_out_of_bounds+0x1e7/0x20c
get_default_font+0x1c7/0x1f0
fbcon_startup+0x347/0x3a0
do_take_over_console+0xce/0x270
do_fbcon_takeover+0xa1/0x170
do_fb_registered+0x2a8/0x340
fbcon_fb_registered+0x47/0xe0
register_framebuffer+0x294/0x4a0
__drm_fb_helper_initial_config_and_unlock+0x43c/0x880 [drm_kms_helper]
drm_fb_helper_initial_config+0x52/0x80 [drm_kms_helper]
drm_fbdev_client_hotplug+0x156/0x1b0 [drm_kms_helper]
drm_fbdev_generic_setup+0xfc/0x290 [drm_kms_helper]
bochs_pci_probe+0x6ca/0x772 [bochs]
local_pci_probe+0x4d/0xb0
pci_device_probe+0x119/0x320
really_probe+0x181/0x550
__driver_probe_device+0xc6/0x220
driver_probe_device+0x32/0x100
__driver_attach+0x195/0x200
bus_for_each_dev+0xbb/0x120
driver_attach+0x27/0x30
bus_add_driver+0x22e/0x2f0
driver_register+0xa9/0x190
__pci_register_driver+0x90/0xa0
bochs_pci_driver_init+0x52/0x1000 [bochs]
do_one_initcall+0x76/0x430
do_init_module+0x61/0x28a
load_module+0x1f82/0x2e50
__do_sys_finit_module+0xf8/0x190
__x64_sys_finit_module+0x23/0x30
do_syscall_64+0x58/0x80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
</TASK>
Link: https://lkml.kernel.org/r/20221031113829.4183153-1-cuigaosheng1@huawei.com
Fixes: c81f717cb9 ("fbcon: Fix typo and bogus logic in get_default_font")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This is just a maintenance patch to update font_ter16x32.c with changes
and minor fixes added in new upstream Terminus v4.49.
>From release notes of new version 4.49, this brings:
- Altered ascii grave in some sizes to be more useful as a back quote.
- Fixed 21B5, added 21B2 and 21B3.
Just as my initial submission of the font, above changes were obtained from
new ter-i32b.psf font source.
Terminus font sources are available for download at SourceForge:
https://sourceforge.net/projects/terminus-font/files/terminus-font-4.49/
Simply running `make` in source directory will build the .psf font files.
Signed-off-by: Amanoel Dawod <kernel@amanoeldawod.com>
Link: https://lore.kernel.org/r/20201226235840.26290-1-kernel@amanoeldawod.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subsystems are hard-coding the number of characters of our built-in fonts
as 256. Include that information in our kernel font descriptor, `struct
font_desc`.
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/65952296d1d9486093bd955d1536f7dcd11112c6.1605169912.git.yepeilin.cs@gmail.com
Commit 6735b4632d ("Fonts: Support FONT_EXTRA_WORDS macros for built-in
fonts") introduced the following error when building rpc_defconfig (only
this build appears to be affected):
`acorndata_8x8' referenced in section `.text' of arch/arm/boot/compressed/ll_char_wr.o:
defined in discarded section `.data' of arch/arm/boot/compressed/font.o
`acorndata_8x8' referenced in section `.data.rel.ro' of arch/arm/boot/compressed/font.o:
defined in discarded section `.data' of arch/arm/boot/compressed/font.o
make[3]: *** [/scratch/linux/arch/arm/boot/compressed/Makefile:191: arch/arm/boot/compressed/vmlinux] Error 1
make[2]: *** [/scratch/linux/arch/arm/boot/Makefile:61: arch/arm/boot/compressed/vmlinux] Error 2
make[1]: *** [/scratch/linux/arch/arm/Makefile:317: zImage] Error 2
The .data section is discarded at link time. Reinstating acorndata_8x8 as
const ensures it is still available after linking. Do the same for the
other 12 built-in fonts as well, for consistency purposes.
Cc: <stable@vger.kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes: 6735b4632d ("Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts")
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Co-developed-by: Peilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102183242.2031659-1-yepeilin.cs@gmail.com
fbcon/fonts:
- Two patches to prevent OOB access
ttm:
- fix for evicition value range check
amdgpu:
- Sienna Cichlid fixes
- MST manager resource leak fix
- GPU reset fix
amdkfd:
- Luxmark fix for Navi1x
i915:
- Tweak initial DPCD backlight.enabled value (Sean)
- Initialize reserved MOCS indices (Ayaz)
- Mark initial fb obj as WT on eLLC machines to avoid rcu lockup (Ville)
- Support parsing of oversize batches (Chris)
- Delay execlists processing for TGL (Chris)
- Use the active reference on the vma during error capture (Chris)
- Widen CSB pointer (Chris)
- Wait for CSB entries on TGL (Chris)
- Fix unwind for scratch page allocation (Chris)
- Exclude low patches of stolen memory (Chris)
- Force VT'd workarounds when running as a guest OS (Chris)
- Drop runtime-pm assert from vpgu io accessors (Chris)
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Merge tag 'drm-next-2020-10-23' of git://anongit.freedesktop.org/drm/drm
Pull more drm fixes from Dave Airlie:
"This should be the last round of things for rc1, a bunch of i915
fixes, some amdgpu, more font OOB fixes and one ttm fix just found
reading code:
fbcon/fonts:
- Two patches to prevent OOB access
ttm:
- fix for evicition value range check
amdgpu:
- Sienna Cichlid fixes
- MST manager resource leak fix
- GPU reset fix
amdkfd:
- Luxmark fix for Navi1x
i915:
- Tweak initial DPCD backlight.enabled value (Sean)
- Initialize reserved MOCS indices (Ayaz)
- Mark initial fb obj as WT on eLLC machines to avoid rcu lockup (Ville)
- Support parsing of oversize batches (Chris)
- Delay execlists processing for TGL (Chris)
- Use the active reference on the vma during error capture (Chris)
- Widen CSB pointer (Chris)
- Wait for CSB entries on TGL (Chris)
- Fix unwind for scratch page allocation (Chris)
- Exclude low patches of stolen memory (Chris)
- Force VT'd workarounds when running as a guest OS (Chris)
- Drop runtime-pm assert from vpgu io accessors (Chris)"
* tag 'drm-next-2020-10-23' of git://anongit.freedesktop.org/drm/drm: (31 commits)
drm/amdgpu: correct the cu and rb info for sienna cichlid
drm/amd/pm: remove the average clock value in sysfs
drm/amd/pm: fix pp_dpm_fclk
Revert drm/amdgpu: disable sienna chichlid UMC RAS
drm/amd/pm: fix pcie information for sienna cichlid
drm/amdkfd: Use same SQ prefetch setting as amdgpu
drm/amd/swsmu: correct wrong feature bit mapping
drm/amd/psp: Fix sysfs: cannot create duplicate filename
drm/amd/display: Avoid MST manager resource leak.
drm/amd/display: Revert "drm/amd/display: Fix a list corruption"
drm/amdgpu: update golden setting for sienna_cichlid
drm/amd/swsmu: add missing feature map for sienna_cichlid
drm/amdgpu: correct the gpu reset handling for job != NULL case
drm/amdgpu: add rlc iram and dram firmware support
drm/amdgpu: add function to program pbb mode for sienna cichlid
drm/i915: Drop runtime-pm assert from vgpu io accessors
drm/i915: Force VT'd workarounds when running as a guest OS
drm/i915: Exclude low pages (128KiB) of stolen from use
drm/i915/gt: Onion unwind for scratch page allocation failure
drm/ttm: fix eviction valuable range check.
...
Recently, in commit 6735b4632d ("Fonts: Support FONT_EXTRA_WORDS macros
for built-in fonts"), we wrapped each of our built-in data buffers in a
`font_data` structure, in order to use the following macros on them, see
include/linux/font.h:
#define REFCOUNT(fd) (((int *)(fd))[-1])
#define FNTSIZE(fd) (((int *)(fd))[-2])
#define FNTCHARCNT(fd) (((int *)(fd))[-3])
#define FNTSUM(fd) (((int *)(fd))[-4])
#define FONT_EXTRA_WORDS 4
Do the same thing to our new 6x8 font. For built-in fonts, currently we
only use FNTSIZE(). Since this is only a temporary solution for an
out-of-bounds issue in the framebuffer layer (see commit 5af0864079
("fbcon: Fix global-out-of-bounds read in fbcon_get_font()")), all the
three other fields are intentionally set to zero in order to discourage
using these negative-indexing macros.
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/926453876c92caac34cba8545716a491754d04d5.1603037079.git.yepeilin.cs@gmail.com
New driver:
Cadence MHDP8546 DisplayPort bridge driver
core:
- cross-driver scatterlist cleanups
- devm_drm conversions
- remove drm_dev_init
- devm_drm_dev_alloc conversion
ttm:
- lots of refactoring and cleanups
bridges:
- chained bridge support in more drivers
panel:
- misc new panels
scheduler:
- cleanup priority levels
displayport:
- refactor i915 code into helpers for nouveau
i915:
- split into display and GT trees
- WW locking refactoring in GEM
- execbuf2 extension mechanism
- syncobj timeline support
- GEN 12 HOBL display powersaving
- Rocket Lake display additions
- Disable FBC on Tigerlake
- Tigerlake Type-C + DP improvements
- Hotplug interrupt refactoring
amdgpu:
- Sienna Cichlid updates
- Navy Flounder updates
- DCE6 (SI) support for DC
- Plane rotation enabled
- TMZ state info ioctl
- PCIe DPC recovery support
- DC interrupt handling refactor
- OLED panel fixes
amdkfd:
- add SMI events for thermal throttling
- SMI interface events ioctl update
- process eviction counters
radeon:
- move to dma_ for allocations
- expose sclk via sysfs
msm:
- DSI support for sm8150/sm8250
- per-process GPU pagetable support
- Displayport support
mediatek:
- move HDMI phy driver to PHY
- convert mtk-dpi to bridge API
- disable mt2701 tmds
tegra:
- bridge support
exynos:
- misc cleanups
vc4:
- dual display cleanups
ast:
- cleanups
gma500:
- conversion to GPIOd API
hisilicon:
- misc reworks
ingenic:
- clock handling and format improvements
mcde:
- DSI support
mgag200:
- desktop g200 support
mxsfb:
- i.MX7 + i.MX8M
- alpha plane support
panfrost:
- devfreq support
- amlogic SoC support
ps8640:
- EDID from eDP retrieval
tidss:
- AM65xx YUV workaround
virtio:
- virtio-gpu exported resources
rcar-du:
- R8A7742, R8A774E1 and R8A77961 support
- YUV planar format fixes
- non-visible plane handling
- VSP device reference count fix
- Kconfig fix to avoid displaying disabled options in .config
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Merge tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Not a major amount of change, the i915 trees got split into display
and gt trees to better facilitate higher level review, and there's a
major refactoring of i915 GEM locking to use more core kernel concepts
(like ww-mutexes). msm gets per-process pagetables, older AMD SI cards
get DC support, nouveau got a bump in displayport support with common
code extraction from i915.
Outside of drm this contains a couple of patches for hexint
moduleparams which you've acked, and a virtio common code tree that
you should also get via it's regular path.
New driver:
- Cadence MHDP8546 DisplayPort bridge driver
core:
- cross-driver scatterlist cleanups
- devm_drm conversions
- remove drm_dev_init
- devm_drm_dev_alloc conversion
ttm:
- lots of refactoring and cleanups
bridges:
- chained bridge support in more drivers
panel:
- misc new panels
scheduler:
- cleanup priority levels
displayport:
- refactor i915 code into helpers for nouveau
i915:
- split into display and GT trees
- WW locking refactoring in GEM
- execbuf2 extension mechanism
- syncobj timeline support
- GEN 12 HOBL display powersaving
- Rocket Lake display additions
- Disable FBC on Tigerlake
- Tigerlake Type-C + DP improvements
- Hotplug interrupt refactoring
amdgpu:
- Sienna Cichlid updates
- Navy Flounder updates
- DCE6 (SI) support for DC
- Plane rotation enabled
- TMZ state info ioctl
- PCIe DPC recovery support
- DC interrupt handling refactor
- OLED panel fixes
amdkfd:
- add SMI events for thermal throttling
- SMI interface events ioctl update
- process eviction counters
radeon:
- move to dma_ for allocations
- expose sclk via sysfs
msm:
- DSI support for sm8150/sm8250
- per-process GPU pagetable support
- Displayport support
mediatek:
- move HDMI phy driver to PHY
- convert mtk-dpi to bridge API
- disable mt2701 tmds
tegra:
- bridge support
exynos:
- misc cleanups
vc4:
- dual display cleanups
ast:
- cleanups
gma500:
- conversion to GPIOd API
hisilicon:
- misc reworks
ingenic:
- clock handling and format improvements
mcde:
- DSI support
mgag200:
- desktop g200 support
mxsfb:
- i.MX7 + i.MX8M
- alpha plane support
panfrost:
- devfreq support
- amlogic SoC support
ps8640:
- EDID from eDP retrieval
tidss:
- AM65xx YUV workaround
virtio:
- virtio-gpu exported resources
rcar-du:
- R8A7742, R8A774E1 and R8A77961 support
- YUV planar format fixes
- non-visible plane handling
- VSP device reference count fix
- Kconfig fix to avoid displaying disabled options in .config"
* tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm: (1494 commits)
drm/ingenic: Fix bad revert
drm/amdgpu: Fix invalid number of character '{' in amdgpu_acpi_init
drm/amdgpu: Remove warning for virtual_display
drm/amdgpu: kfd_initialized can be static
drm/amd/pm: setup APU dpm clock table in SMU HW initialization
drm/amdgpu: prevent spurious warning
drm/amdgpu/swsmu: fix ARC build errors
drm/amd/display: Fix OPTC_DATA_FORMAT programming
drm/amd/display: Don't allow pstate if no support in blank
drm/panfrost: increase readl_relaxed_poll_timeout values
MAINTAINERS: Update entry for st7703 driver after the rename
Revert "gpu/drm: ingenic: Add option to mmap GEM buffers cached"
drm/amd/display: HDMI remote sink need mode validation for Linux
drm/amd/display: Change to correct unit on audio rate
drm/amd/display: Avoid set zero in the requested clk
drm/amdgpu: align frag_end to covered address space
drm/amdgpu: fix NULL pointer dereference for Renoir
drm/vmwgfx: fix regression in thp code due to ttm init refactor.
drm/amdgpu/swsmu: add interrupt work handler for smu11 parts
drm/amdgpu/swsmu: add interrupt work function
...
syzbot has reported an issue in the framebuffer layer, where a malicious
user may overflow our built-in font data buffers.
In order to perform a reliable range check, subsystems need to know
`FONTDATAMAX` for each built-in font. Unfortunately, our font descriptor,
`struct console_font` does not contain `FONTDATAMAX`, and is part of the
UAPI, making it infeasible to modify it.
For user-provided fonts, the framebuffer layer resolves this issue by
reserving four extra words at the beginning of data buffers. Later,
whenever a function needs to access them, it simply uses the following
macros:
Recently we have gathered all the above macros to <linux/font.h>. Let us
do the same thing for built-in fonts, prepend four extra words (including
`FONTDATAMAX`) to their data buffers, so that subsystems can use these
macros for all fonts, no matter built-in or user-provided.
This patch depends on patch "fbdev, newport_con: Move FONT_EXTRA_WORDS
macros into linux/font.h".
Cc: stable@vger.kernel.org
Link: https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/ef18af00c35fb3cc826048a5f70924ed6ddce95b.1600953813.git.yepeilin.cs@gmail.com
This font is derived from lib/fonts/font_6x10.c and is useful for small
OLED displays
Signed-off-by: Sven Schneider <s.schneider@arkona-technologies.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200820082137.5907-1-s.hauer@pengutronix.de
Although we may have multiple fonts in kernel, the small 8x16 font is
chosen as default usually unless user specify the boot option. This
is suboptimal for monitors with high resolutions.
This patch tries to assign a bigger font for such a high resolution by
calculating some penalty value. This won't change anything for a
standard monitor like Full HD (1920x1080), but for a high res monitor
like UHD 4K, a bigger font like TER16x32 will be chosen once when
enabled in Kconfig.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We have a nice macro, and the check of emptiness of the font table can
be done in a simpler way.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix indentation, spaces, and move EXPORT_SYMBOL line to the
appropriate place as a preliminary work. No actual code change.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds an option to compile-in a high resolution
and large Terminus (ter16x32) bitmap console font for use with
HiDPI and Retina screens.
The font was convereted from standard Terminus ter-i32b.psf
(size 16x32) with the help of psftools and minor hand editing
deleting useless characters.
This patch is non-intrusive, no options are enabled by default so most
users won't notice a thing.
I am placing my changes under the GPL 2.0 just as source Terminus font.
Signed-off-by: Amanoel Dawod <amanoeladawod@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The font files contain bit masks for characters in the cp437 character
set, and comments showing what character this is supposed to be.
This only makes sense when the terminal used to view the files is set to
the same codepage, but all other files in the kernel now use utf-8
encoding.
This changes those comments to utf-8 as well, for consistency.
Link: http://lkml.kernel.org/r/20180724111600.4158975-3-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Keep fonts together and indented (in menu) as much as possible. This
moves the Sparc font choices to the end of the menu since they have
different dependencies.
Link: http://lkml.kernel.org/r/de6d8977-c6d6-a82d-c953-f2a2fefdb8a5@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This font is suitable for framebuffer consoles on devices with a
320x240 screen, to get a reasonable number of characters (53x24) that
are still at a readable size.
The font is derived from the existing 6x11 font, but gets 3 extra
lines without sacrificing readability. Also I redesigned a some glyhps
so they are more distinct and better fill the available space.
Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
STI console is used on parisc and m68k HP machines. This patch partly reverts
my previous commit and as such restores the fonts for the m68k machines.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v3.13
The built-in ROM fonts lack many necessary ASCII characters, which is
why it makes sens to prefer the Linux fonts instead if they are
available. This makes consoles on STI graphics cards which are not
supported by the stifb driver (e.g. Visualize FXe) looks much nicer.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v3.13
Several drivers need font support independent of CONFIG_VT, cfr. commit
9cbce8d7e1dae0744ca4f68d62aa7de18196b6f4, "console/font: Refactor font
support code selection logic").
Hence move the fonts and their support logic from drivers/video/console/ to
its own library directory lib/fonts/.
This also allows to limit processing of drivers/video/console/Makefile to
CONFIG_VT=y again.
[Kevin Hilman <khilman@linaro.org>: Update arch/arm/boot/compressed/Makefile]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
