linux/drivers/char
Theodore Ts'o eecabf5674 random: suppress spammy warnings about unseeded randomness
Unfortunately, on some models of some architectures getting a fully
seeded CRNG is extremely difficult, and so this can result in dmesg
getting spammed for a surprisingly long time.  This is really bad from
a security perspective, and so architecture maintainers really need to
do what they can to get the CRNG seeded sooner after the system is
booted.  However, users can't do anything actionble to address this,
and spamming the kernel messages log will only just annoy people.

For developers who want to work on improving this situation,
CONFIG_WARN_UNSEEDED_RANDOM has been renamed to
CONFIG_WARN_ALL_UNSEEDED_RANDOM.  By default the kernel will always
print the first use of unseeded randomness.  This way, hopefully the
security obsessed will be happy that there is _some_ indication when
the kernel boots there may be a potential issue with that architecture
or subarchitecture.  To see all uses of unseeded randomness,
developers can enable CONFIG_WARN_ALL_UNSEEDED_RANDOM.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-07-15 12:19:28 -04:00
..
agp agp: use set_memory.h header 2017-05-08 17:15:13 -07:00
hw_random Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-05-02 15:53:46 -07:00
ipmi Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
mwave Annotate hardware config module parameters in drivers/char/mwave/ 2017-04-20 12:02:32 +01:00
pcmcia lib/vsprintf.c: remove %Z support 2017-02-27 18:43:47 -08:00
tpm char/misc patches for 4.12-rc1 2017-05-04 19:15:35 -07:00
xilinx_hwicap char: xilinx_hwicap: Remove pointless local variables 2017-01-25 11:41:44 +01:00
xillybus char: xillybus: Fix spelling mistake and comment 2016-08-31 14:47:54 +02:00
apm-emulation.c apm-emulation: move APM_MINOR_DEV to include/linux/miscdevice.h 2017-01-10 21:46:41 +01:00
applicom.c Annotate hardware config module parameters in drivers/char/ 2017-04-20 12:02:32 +01:00
applicom.h
bfin-otp.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
bsr.c
ds1302.c ds1302: remove unneeded linux/miscdevice.h include 2017-01-10 21:46:41 +01:00
ds1620.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
dsp56k.c format-security: move static strings to const 2017-05-08 17:15:14 -07:00
dtlk.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
efirtc.c drivers/char: make efirtc.c driver explicitly non-modular 2015-09-20 19:32:35 -07:00
generic_nvram.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
hangcheck-timer.c hangcheck-timer: Fix typo in comment 2017-04-08 18:08:54 +02:00
hpet.c hpet: Make cmd parameter of hpet_ioctl_common() unsigned 2017-03-17 15:10:49 +09:00
Kconfig TTY/Serial driver patches for 4.11-rc1 2017-02-22 12:17:25 -08:00
lp.c char: lp: fix possible integer overflow in lp_setup() 2017-05-16 23:05:20 +02:00
Makefile RTC for 4.8 2016-08-05 09:48:22 -04:00
mbcs.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
mbcs.h
mem.c drivers: char: mem: Check for address space wraparound with mmap() 2017-05-18 16:53:55 +02:00
misc.c drivers: char: misc: Replace printk with pr_err. 2017-04-08 17:53:06 +02:00
mmtimer.c time: Change k_clock timer_set() and timer_get() to use timespec64 2017-04-14 21:49:56 +02:00
mspec.c drivers, char: convert vma_data.refcnt from atomic_t to refcount_t 2017-03-23 13:57:19 +01:00
nsc_gpio.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
nvram.c char/nvram: set array of const as const 2016-02-08 14:57:30 -08:00
nwbutton.c drivers/char/nwbutton: Fix build breakage caused by include file reshuffling 2017-03-07 08:35:49 +01:00
nwbutton.h
nwflash.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
pc8736x_gpio.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
powernv-op-panel.c powerpc/powernv: Add driver for operator panel on FSP machines 2016-06-29 17:33:46 +10:00
ppdev.c ppdev: fix registering same device name 2017-03-16 17:32:21 +09:00
ps3flash.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
random.c random: suppress spammy warnings about unseeded randomness 2017-07-15 12:19:28 -04:00
raw.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
rtc.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
scx200_gpio.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
snsc_event.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h> 2017-03-02 08:42:29 +01:00
snsc.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
snsc.h
sonypi.c scripts/spelling.txt: add "initialiazation" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
tb0219.c mips: separate extable.h, switch module.h to it 2016-10-05 18:36:18 -04:00
tile-srom.c tile-srom: allow the driver to be built as a module 2016-11-10 15:18:56 +01:00
tlclk.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
toshiba.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ttyprintk.c ttyprintk: Neaten and simplify printing 2016-09-13 17:30:17 +02:00
uv_mmtimer.c
virtio_console.c virtio: fixes, cleanups, performance 2017-05-10 11:33:08 -07:00