| Age | Commit message (Collapse) | Author | Files | Lines |
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Pull UML updates from Richard Weinberger:
- IRQ handling cleanups
- Support for suspend
- Various fixes for UML specific drivers: ubd, vector, xterm
* tag 'for-linus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: (32 commits)
um: Fix build w/o CONFIG_PM_SLEEP
um: time-travel: Correct time event IRQ delivery
um: irq/sigio: Support suspend/resume handling of workaround IRQs
um: time-travel: Actually apply "free-until" optimisation
um: chan_xterm: Fix fd leak
um: tty: Fix handling of close in tty lines
um: Monitor error events in IRQ controller
um: allocate a guard page to helper threads
um: support some of ARCH_HAS_SET_MEMORY
um: time-travel: avoid multiple identical propagations
um: Fetch registers only for signals which need them
um: Support suspend to RAM
um: Allow PM with suspend-to-idle
um: time: Fix read_persistent_clock64() in time-travel
um: Simplify os_idle_sleep() and sleep longer
um: Simplify IRQ handling code
um: Remove IRQ_NONE type
um: irq: Reduce irq_reg allocation
um: irq: Clean up and rename struct irq_fd
um: Clean up alarm IRQ chip name
...
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Pull s390 updates from Heiko Carstens:
- Add support for the hugetlb_cma command line option to allocate
gigantic hugepages using CMA
- Add arch_get_random_long() support.
- Add ap bus userspace notifications.
- Increase default size of vmalloc area to 512GB and otherwise let it
increase dynamically by the size of physical memory. This should fix
all occurrences where the vmalloc area was not large enough.
- Completely get rid of set_fs() (aka select SET_FS) and rework address
space handling while doing that; making address space handling much
more simple.
- Reimplement getcpu vdso syscall in C.
- Add support for extended SCLP responses (> 4k). This allows e.g. to
handle also potential large system configurations.
- Simplify KASAN by removing 3-level page table support and only
supporting 4-levels from now on.
- Improve debug-ability of the kernel decompressor code, which now
prints also stack traces and symbols in case of problems to the
console.
- Remove more power management leftovers.
- Other various fixes and improvements all over the place.
* tag 's390-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (62 commits)
s390/mm: add support to allocate gigantic hugepages using CMA
s390/crypto: add arch_get_random_long() support
s390/smp: perform initial CPU reset also for SMT siblings
s390/mm: use invalid asce for user space when switching to init_mm
s390/idle: fix accounting with machine checks
s390/idle: add missing mt_cycles calculation
s390/boot: add build-id to decompressor
s390/kexec_file: fix diag308 subcode when loading crash kernel
s390/cio: fix use-after-free in ccw_device_destroy_console
s390/cio: remove pm support from ccw bus driver
s390/cio: remove pm support from css-bus driver
s390/cio: remove pm support from IO subchannel drivers
s390/cio: remove pm support from chsc subchannel driver
s390/vmur: remove unused pm related functions
s390/tape: remove unsupported PM functions
s390/cio: remove pm support from eadm-sch drivers
s390: remove pm support from console drivers
s390/dasd: remove unused pm related functions
s390/zfcp: remove pm support from zfcp driver
s390/ap: let bus_register() add the AP bus sysfs attributes
...
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The UML random driver creates a dummy device under the guest,
/dev/hw_random. When this file is read from the guest, the driver
reads from the host machine's /dev/random, in-turn reading from
the host kernel's entropy pool. This entropy pool could have been
filled by a hardware random number generator or just the host
kernel's internal software entropy generator.
Currently the driver does not fill the guests kernel entropy pool,
this requires a userspace tool running inside the guest (like
rng-tools) to read from the dummy device provided by this driver,
which then would fill the guest's internal entropy pool.
This all seems quite pointless when we are already reading from an
entropy pool, so this patch aims to register the device as a hwrng
device using the hwrng-core framework. This not only improves and
cleans up the driver, but also fills the guest's entropy pool
without having to resort to using extra userspace tools in the guest.
This is typically a nuisance when booting a guest: the random pool
takes a long time (~200s) to build up enough entropy since the dummy
hwrng is not used to fill the guest's pool.
This port was originally attempted by Alexander Neville "dark" (in CC,
discussion in Link), but the conversation there stalled since the
handling of -EAGAIN errors were no removed and longer handled by the
driver. This patch attempts to use the existing method of error
handling but utilises the new hwrng core.
The issue can be noticed when booting a UML guest:
[ 2.560000] random: fast init done
[ 214.000000] random: crng init done
With the patch applied, filling the pool becomes a lot quicker:
[ 2.560000] random: fast init done
[ 12.000000] random: crng init done
Cc: Alexander Neville <dark@volatile.bz>
Link: https://lore.kernel.org/lkml/20190828204609.02a7ff70@TheDarkness/
Link: https://lore.kernel.org/lkml/20190829135001.6a5ff940@TheDarkness.local/
Cc: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Acked-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This patch adds a dependency for KEYSTONE on HAS_IOMEM and OF to
prevent COMPILE_TEST build failures.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Driver of HiSilicon true random number generator(TRNG)
is removed from 'drivers/char/hw_random'.
Both 'Kunpeng 920' and 'Kunpeng 930' chips have TRNG,
however, PRNG is only supported by 'Kunpeng 930'.
So, this driver is moved to 'drivers/crypto/hisilicon/trng/'
in the next to enable the two's TRNG better.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The s390-trng does provide 100% entropy. The quality value is supported
to be between 1 and 1024 and not 1..1000. Use 1024 to make this driver
the preferred one. If we ever have a better driver that has the same
quality but is faster we can change this again when merging the new
driver. No need to be conservative.
This makes sure that the hw variant is preferred over things like
virtio-rng, where the hypervisor has a potential to be misconfigured
and thus should have a slightly lower confidence.
Cc: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Clean up the check for irq. dev_err() is superfluous as
platform_get_irq() already prints an error. Check for zero
would indicate a bug. Remove curly braces to conform to
styling requirements.
Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull crypto updates from Herbert Xu:
"API:
- Allow DRBG testing through user-space af_alg
- Add tcrypt speed testing support for keyed hashes
- Add type-safe init/exit hooks for ahash
Algorithms:
- Mark arc4 as obsolete and pending for future removal
- Mark anubis, khazad, sead and tea as obsolete
- Improve boot-time xor benchmark
- Add OSCCA SM2 asymmetric cipher algorithm and use it for integrity
Drivers:
- Fixes and enhancement for XTS in caam
- Add support for XIP8001B hwrng in xiphera-trng
- Add RNG and hash support in sun8i-ce/sun8i-ss
- Allow imx-rngc to be used by kernel entropy pool
- Use crypto engine in omap-sham
- Add support for Ingenic X1830 with ingenic"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (205 commits)
X.509: Fix modular build of public_key_sm2
crypto: xor - Remove unused variable count in do_xor_speed
X.509: fix error return value on the failed path
crypto: bcm - Verify GCM/CCM key length in setkey
crypto: qat - drop input parameter from adf_enable_aer()
crypto: qat - fix function parameters descriptions
crypto: atmel-tdes - use semicolons rather than commas to separate statements
crypto: drivers - use semicolons rather than commas to separate statements
hwrng: mxc-rnga - use semicolons rather than commas to separate statements
hwrng: iproc-rng200 - use semicolons rather than commas to separate statements
hwrng: stm32 - use semicolons rather than commas to separate statements
crypto: xor - use ktime for template benchmarking
crypto: xor - defer load time benchmark to a later time
crypto: hisilicon/zip - fix the uninitalized 'curr_qm_qp_num'
crypto: hisilicon/zip - fix the return value when device is busy
crypto: hisilicon/zip - fix zero length input in GZIP decompress
crypto: hisilicon/zip - fix the uncleared debug registers
lib/mpi: Fix unused variable warnings
crypto: x86/poly1305 - Remove assignments with no effect
hwrng: npcm - modify readl to readb
...
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Replace commas with semicolons. What is done is essentially described by
the following Coccinelle semantic patch (http://coccinelle.lip6.fr/):
// <smpl>
@@ expression e1,e2; @@
e1
-,
+;
e2
... when any
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Replace commas with semicolons. What is done is essentially described by
the following Coccinelle semantic patch (http://coccinelle.lip6.fr/):
// <smpl>
@@ expression e1,e2; @@
e1
-,
+;
e2
... when any
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Replace commas with semicolons. What is done is essentially described by
the following Coccinelle semantic patch (http://coccinelle.lip6.fr/):
// <smpl>
@@ expression e1,e2; @@
e1
-,
+;
e2
... when any
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Modify the read size to the correct HW random
registers size, 8bit.
The incorrect read size caused and faulty
HW random value.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add X1830 SoC digital true random number generator driver.
Tested-by: 周正 (Zhou Zheng) <sernia.zhou@foxmail.com>
Co-developed-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@ingenic.com>
Signed-off-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@ingenic.com>
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Xiphera XIP8001B is an FPGA-based True Random Number Generator
Intellectual Property (IP) Core which can be instantiated in
multiple FPGA families. This driver adds Linux support for it through
the hwrng interface.
Signed-off-by: Atte Tommiska <atte.tommiska@xiphera.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The RNGB can generate 2^20 words (1 word == 4 byte) of 'random' data
after the seed pool was initialized. The pool needs to be reseeded if
more words are required. The reseeding is done automatically since
commit 3acd9ea9331c ("hwrng: imx-rngc - use automatic seeding").
We can't retrieve the TRNG values directly so we need a other way to get
the quality level. We know that the PRNG uses 20.000 entropy samples
from the TRNG to generate 2^20 words (1MiB) and the quality level is
defined as (in bits of entropy per 1024 bits of input). So the quality
level can be calculated by:
20.000 * 1024
------------- = ~ 19.5
2^20
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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clang static analysis reports this problem
intel-rng.c:333:2: warning: Assigned value is garbage or undefined
void __iomem *mem = mem;
^~~~~~~~~~~~~~~~~ ~~~
Because mem is assigned before it is used, this is not
a real problem. But the initialization is strange and not
needed, so remove it.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The current code waits for data to be available before attempting a
second read. However the second read would not be executed as the
while loop will exit.
This fix does not wait if all data has been read (skips the call to
msleep(0)) and reads a second time if partial data was retrieved on
the first read.
Worth noticing that since msleep(0) schedules a one jiffy timeout is
better to skip such a call.
Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Data rates of MAX_UINT32 will schedule an unnecessary one jiffy
timeout on the call to msleep. Avoid this scenario by using 0 as the
unlimited data rate.
Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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It's not necessary to free memory allocated with devm_kzalloc
and using kfree leads to a double free.
Fixes: 190873a0ea45 ("crypto: ingenic - Add hardware RNG for Ingenic JZ4780 and X1000")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The variable ret is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add JZ4780 SoC and X1000 SoC random number generator driver,
based on PrasannaKumar Muralidharan's JZ4780 RNG driver.
Tested-by: 周正 (Zhou Zheng) <sernia.zhou@foxmail.com>
Tested-by: Mathieu Malaterre <malat@debian.org>
Suggested-by: Jeffrey Walton <noloader@gmail.com>
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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i.MX6 SL, SLL, ULL, ULZ SoCs have an RNGB block.
Since imx-rngc driver supports also rngb,
let's enable it for these SoCs too.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There are multiple things in this file that requires kernel.h but
it's only included through other header files indirectly. This
patch adds a direct inclusion as those indirect inclusions may go
away at any point.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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id_table[] is not modified and an be made const to allow the compiler to
put it in read-only memory.
Before:
text data bss dec hex filename
1746 192 8 1946 79a drivers/char/hw_random/virtio-rng.o
After:
text data bss dec hex filename
1762 176 8 1946 79a drivers/char/hw_random/virtio-rng.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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nmk_rng_ids[] is not modified and can be made const to allow the
compiler to put it in read-only memory.
Before:
text data bss dec hex filename
652 216 4 872 368 drivers/char/hw_random/nomadik-rng.o
After:
text data bss dec hex filename
676 192 4 872 368 drivers/char/hw_random/nomadik-rng.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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bcm2835_rng_devtype[] is not modified and can be made const to allow the
compiler to put it in read-only memory.
Before:
text data bss dec hex filename
2392 176 0 2568 a08 drivers/char/hw_random/bcm2835-rng.o
After:
text data bss dec hex filename
2464 104 0 2568 a08 drivers/char/hw_random/bcm2835-rng.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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As HW_RANDOM_BA431 does not have any platform dependency, it should not
default to enabled.
Fixes: 0289e9be5dc26d84 ("hwrng: ba431 - add support for BA431 hwrng")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The ba431 driver depends on HAS_IOMEM and this was missing from
the Kconfig file.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 0289e9be5dc2 ("hwrng: ba431 - add support for BA431 hwrng")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes a bunch of sparse warnings by adding __force tags
when casting __iomem poitners to u64.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes an unused variable warning when this driver is
built-in with CONFIG_OF=n.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes an unused variable warning when this driver is
built-in with CONFIG_OF=n.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes an unused variable warning when this driver is
built with CONFIG_OF=n.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes an unused variable warning when this driver is
built-in with CONFIG_OF=n.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes an unused variable warning when this driver is
built-in with CONFIG_OF=n. While we're at it this patch also
expands the compiler coverage when CONFIG_OF is off by removing
all the CONFIG_OF ifdefs.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes an unused variable warning when this driver is
built-in with CONFIG_OF=n.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Silex insight BA431 is an IP designed to generate random numbers that
can be integrated in various FPGA.
This driver adds support for it through the hwrng interface.
This driver is used in Silex Insight Viper OEM boards.
Signed-off-by: Olivier Sobrie <olivier.sobrie@silexinsight.com>
Signed-off-by: Waleed Ziad <waleed94ziad@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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pm_runtime_get_sync() increments the runtime PM usage counter even
the call returns an error code. Thus a pairing decrement is needed
on the error handling path to keep the counter balanced.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since commit 84af7a6194e4 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), the number of '---help---' has been gradually
decreasing, but there are still more than 2400 instances.
This commit finishes the conversion. While I touched the lines,
I also fixed the indentation.
There are a variety of indentation styles found.
a) 4 spaces + '---help---'
b) 7 spaces + '---help---'
c) 8 spaces + '---help---'
d) 1 space + 1 tab + '---help---'
e) 1 tab + '---help---' (correct indentation)
f) 1 tab + 1 space + '---help---'
g) 1 tab + 2 spaces + '---help---'
In order to convert all of them to 1 tab + 'help', I ran the
following commend:
$ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Pull crypto updates from Herbert Xu:
"API:
- Introduce crypto_shash_tfm_digest() and use it wherever possible.
- Fix use-after-free and race in crypto_spawn_alg.
- Add support for parallel and batch requests to crypto_engine.
Algorithms:
- Update jitter RNG for SP800-90B compliance.
- Always use jitter RNG as seed in drbg.
Drivers:
- Add Arm CryptoCell driver cctrng.
- Add support for SEV-ES to the PSP driver in ccp"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (114 commits)
crypto: hisilicon - fix driver compatibility issue with different versions of devices
crypto: engine - do not requeue in case of fatal error
crypto: cavium/nitrox - Fix a typo in a comment
crypto: hisilicon/qm - change debugfs file name from qm_regs to regs
crypto: hisilicon/qm - add DebugFS for xQC and xQE dump
crypto: hisilicon/zip - add debugfs for Hisilicon ZIP
crypto: hisilicon/hpre - add debugfs for Hisilicon HPRE
crypto: hisilicon/sec2 - add debugfs for Hisilicon SEC
crypto: hisilicon/qm - add debugfs to the QM state machine
crypto: hisilicon/qm - add debugfs for QM
crypto: stm32/crc32 - protect from concurrent accesses
crypto: stm32/crc32 - don't sleep in runtime pm
crypto: stm32/crc32 - fix multi-instance
crypto: stm32/crc32 - fix run-time self test issue.
crypto: stm32/crc32 - fix ext4 chksum BUG_ON()
crypto: hisilicon/zip - Use temporary sqe when doing work
crypto: hisilicon - add device error report through abnormal irq
crypto: hisilicon - remove codes of directly report device errors through MSI
crypto: hisilicon - QM memory management optimization
crypto: hisilicon - unify initial value assignment into QM
...
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Improved the HW_RANDOM_CCTRNG help description.
Signed-off-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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For many users, the Arm CryptoCell HW is not available, so the default for
HW_RANDOM_CCTRNG should to n.
Remove the line to follow the convention - 'n' is the default anyway so no
need to state it explicitly.
Signed-off-by: Hadar Gat <hadar.gat@arm.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The cctrng is unusable on non-DT systems so we should depend
on it.
Signed-off-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix the following sparse warnings:
drivers/char/hw_random/cctrng.c:316:6: warning: symbol
'cc_trng_compwork_handler' was not declared. Should it be static?
drivers/char/hw_random/cctrng.c:451:6: warning: symbol
'cc_trng_startwork_handler' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Acked-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There is export_uuid() function which exports uuid_t to the u8 array.
Use it instead of open coding variant.
This allows to hide the uuid_t internals.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch removes the unnecessary FIPS ifdef in cctrng.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The cctrng doesn't compile without HAS_IOMEM so we should depend
on it.
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This fixes build failure when CONFIG_CRYPTO_FIPS is defined.
Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver")
Signed-off-by: Hadar Gat <hadar.gat@arm.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kbuild test robot <lkp@intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In preparation to virtio header changes, include slab.h directly as
this module is using it.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Linus Torvalds
Christopher Obbard
Herbert Xu
Weili Qian
Christian Borntraeger
Nigel Christian
Julia Lawall
Tomer Maimon
周琰杰 (Zhou Yanjie)
Atte Tommiska
Marco Felsch
Krzysztof Kozlowski
Tom Rix
Jorge Ramirez-Ortiz
Wei Yongjun
Colin Ian King
Horia Geantă
Alexander A. Klimov
Rikard Falkeborn
Geert Uytterhoeven
Olivier Sobrie
Dinghao Liu
Masahiro Yamada
Hadar Gat
Zou Wei
Andy Shevchenko
Michael S. Tsirkin