The register %rdx is written, but never read till the end of the encryption
routine. Therefore let's delete the useless instruction.
Signed-off-by: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Test vectors were generated starting from existing CBC(AES) test vectors
(RFC3602, NIST SP800-38A) and adding HMAC(SHA*) computed with Crypto++ and
double-checked with HashCalc.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
With this, now all combinations of
CBC: AES, 3DES-EDE
with
HMAC: SHA-1, SHA-224, SHA-256, SHA-384, SHA-512
are supported.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch exports the talitos_submit function so that on
need basis same can be used by other entities.
Signed-off-by: Sandeep Malik <Sandeep.Malik@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch moves the talitos structure definitions from c file to its
header file so that the same can be shared on need basis.
Signed-off-by: Sandeep Malik <Sandeep.Malik@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
- set sg buffers size equals to message size
- add cfb & ofb tests for AES, DES & TDES
Signed-off-by: Nicolas Royer <nicolas@eukrea.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Tested-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Nicolas Royer <nicolas@eukrea.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Tested-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Nicolas Royer <nicolas@eukrea.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Tested-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Nicolas Royer <nicolas@eukrea.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Tested-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Nicolas Royer <nicolas@eukrea.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Tested-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Patch 863b557a88 added NULL entries
for intel accelerated drivers but did not marked these fips allowed.
This cause panic if running tests with fips=1.
For ghash, fips_allowed flag was added in patch
18c0ebd2d8.
Without patch, "modprobe tcrypt" fails with
alg: skcipher: Failed to load transform for cbc-aes-aesni: -2
cbc-aes-aesni: cbc(aes) alg self test failed in fips mode!
(panic)
Also add missing cryptd(__driver-cbc-aes-aesni) and
cryptd(__driver-gcm-aes-aesni) test to complement
null tests above, otherwise system complains with
alg: No test for __cbc-aes-aesni (cryptd(__driver-cbc-aes-aesni))
alg: No test for __gcm-aes-aesni (cryptd(__driver-gcm-aes-aesni))
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Paul Wouters <pwouters@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch supports Exynos SOC's PRNG driver. Exynos's PRNG has 5 seeds and
5 random number outputs. Module is excuted under runtime power management control,
so it activates only while it's in use. Otherwise it will be suspended generally.
It was tested on PQ board by rngtest program.
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
kfree(new_key_mem) in rfc4106_set_key() should be called on malloced pointer,
not on aligned one, otherwise it can cause invalid pointer on free.
(Seen at least once when running tcrypt tests with debug kernel.)
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds support for retrieving and printing of
SEC ERA information. It is useful for knowing beforehand
what features exist from the SEC point of view on a
certain SoC. Only era-s 1 to 4 are currently supported;
other eras will appear as unknown.
Signed-off-by: Alex Porosanu <alexandru.porosanu@freescale.com>
- rebased onto current cryptodev master
- made caam_eras static
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The caam job rings (input/output job ring) are allocated using
dma_map_single(). These job rings can be visualized as the ring
buffers in which the jobs are en-queued/de-queued. The s/w enqueues
the jobs in input job ring which h/w dequeues and after processing
it copies the jobs in output job ring. Software then de-queues the
job from output ring. Using dma_map/unmap_single() is not preferred
way to allocate memory for this type of requirements because this
adds un-necessary complexity.
Example, if bounce buffer (SWIOTLB) will get used then to make any
change visible in this memory to other processing unit requires
dmap_unmap_single() or dma_sync_single_for_cpu/device(). The
dma_unmap_single() can not be used as this will free the bounce
buffer, this will require changing the job rings on running system
and I seriously doubt that it will be not possible or very complex
to implement. Also using dma_sync_single_for_cpu/device() will also
add unnecessary complexity.
The simple and preferred way is using dma_alloc_coherent() for these
type of memory requirements.
This resolves the Linux boot crash issue when "swiotlb=force" is set
in bootargs on systems which have memory more than 4G.
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Even though these aren't parsed by the MMC driver, make clear that
they're required by the OF core. (Also, a few typo fixes.)
Signed-off-by: Chris Ball <cjb@laptop.org>
Now that we have common bindings for MMC, rewrite the individual
bindings to inherit from mmc.txt and describe their differences.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
The regulator API functions we're wrapping are exported as GPL, so our
wrappers for the same functions should be too.
Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
For completing any block request, MMC block driver is calling:
spin_lock_irq(queue)
__blk_end_request()
spin_unlock_irq(queue)
But if we analyze the sources of latency in kernel using ftrace,
__blk_end_request() function at times may take up to 6.5ms with
spinlock held and irq disabled.
__blk_end_request() calls couple of functions and ftrace output
shows that blk_update_bidi_request() function is almost taking 6ms.
There are 2 function to end the current request: ___blk_end_request()
and blk_end_request(). Both these functions do same thing except
that blk_end_request() function doesn't take up the spinlock
while calling the blk_update_bidi_request().
This patch replaces all __blk_end_request() calls with
blk_end_request() and __blk_end_request_all() calls with
blk_end_request_all().
Testing done: 20 process concurrent read/write on sd card
and eMMC. Ran this test for almost a day on multicore system
and no errors observed.
This change is not meant for improving MMC throughput; it's basically
about becoming fair to other threads/interrupts in the system. By
holding spin lock and interrupts disabled for longer duration, we
won't allow other threads/interrupts to run at all. Actually slight
performance degradation at file system level can be expected as we
are not holding the spin lock during blk_update_bidi_request() which
means our mmcqd thread may get preempted for other high priority
thread or any interrupt in the system.
These are performance numbers (100MB file write) with eMMC running
in DDR mode:
Without this patch:
Name of the Test Value Unit
LMDD Read Test 53.79 MBPS
LMDD Write Test 18.86 MBPS
IOZONE Read Test 51.65 MBPS
IOZONE Write Test 24.36 MBPS
With this patch:
Name of the Test Value Unit
LMDD Read Test 52.94 MBPS
LMDD Write Test 16.70 MBPS
IOZONE Read Test 52.08 MBPS
IOZONE Write Test 23.29 MBPS
Read numbers are fine. Write numbers are bit down (especially LMDD
write), may be because write requests normally have large transfer
size and which means there are chances that while mmcq is executing
blk_update_bidi_request(), it may get interrupted by interrupts or
other high priority thread.
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
mmc_execute_hpi should send the HPI command only once, and only
if the card is in PRG state.
According to eMMC spec, the command's completion time is
not dependent on OUT_OF_INTERRUPT_TIME. Only the transition
out of PRG STATE is guarded by OUT_OF_INTERRUPT_TIME - which
is defined to begin at the end of sending the command itself.
Specify the default timeout for the actual sending of HPI
command, and then use OUT_OF_INTERRUPT_TIME to wait for
the transition out of PRG state.
Reported-by: Alex Lemberg <Alex.Lemberg@sandisk.com>
Signed-off-by: Venkatraman S <svenkatr@ti.com>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
GPIOs can be used in MMC/SD-card slots not only for hotplug detection, but
also to implement the write-protection pin. Rename cd-gpio helpers to
slot-gpio to make addition of further slot GPIO functions possible.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
mmc.h defines macros for most frequently used MMC opcodes. Use them instead
of hard-coded numbers.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Fix a boot regression on Mackerel boards with sh_mobile_sdhi
in existing kernels causing:
genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq XXX
caused by 1c6c6952 (genirq: Reject bogus threaded irq requests).
This is backported from Guennadi's patch:
"mmc: extend and rename cd-gpio helpers to handle more slot GPIO functions"
Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This reverts commit 3d93576e(skip card initialization if
power class selection fails).
Problem has been reported when this is used with eMMC4.41
card with Tegra Platform. Till the issue is root caused,
bus width selection failure should not be treated as fatal.
Reported-by: Marc Dietrich <marvin24@gmx.de>
Signed-Off-by: Venkatraman S <svenkatr@ti.com>
CC: Ulf Hansson <ulf.hansson@stericsson.com>
CC: Subhash Jadavani <subhashj@codeaurora.org>
CC: Saugata Das <saugata.das@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
A lot of code has either the memset or an inefficient copy
from a static array that contains the all-ones broadcast
address. Introduce eth_broadcast_addr() to fill an address
with all ones, making the code clearer and allowing us to
get rid of some constant arrays.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All paths assume, when CONFIG_IP_MULTIPLE_TABLES is enabled, that any
successful call to fib_lookup() will initialize the fib_result->r
value to something.
We violated that expectation in the new fib_lookup() fast path.
Reported-by: Or Gerlitz <ogerlitz@mellanox.com>
Tested-by: Eric Dumazet <eric.dumazet@gmail.com>
Tested-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Should not have two, just remove debug, and use module_param_named
instead.
Also change acpiphp_debug to bool.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
change statements of types
if (ok)
do something
else
return err
into
if (err)
return err
do something
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce mei_data2slots wrapper for sake of
readability. This wrapper close up the open code
for computing slots from a message length:
rond up dwords count from payload and header byte size
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 626f9914 added code to initialize gpio_chip.of_node, but if
CONFIG_OF_GPIO is not defined gps-tps65910 fails to build with an
error complaining gpio_chip has no member of_node. I ran into this
while doing a allyesconfig build on linux-next.
Signed-off-by: Gerard Snitselaar <dev@snitselaar.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We normally allow the owner of a file to override permissions checks on
IO operations, since:
- the client will take responsibility for doing an access check
on open;
- the permission checks offer no protection against malicious
clients--if they can authenticate as the file's owner then
they can always just change its permissions;
- checking permission on each IO operation breaks the usual
posix rule that permission is checked only on open.
However, we've never allowed the owner to override permissions on
readdir operations, even though the above logic would also apply to
directories. I've never heard of this causing a problem, probably
because a) simultaneously opening and creating a directory (with
restricted mode) isn't possible, and b) opening a directory, then
chmod'ing it, is rare.
Our disallowal of owner-override on directories appears to be an
accident, though--the readdir itself succeeds, and then we fail just
because lookup_one_len() calls in our filldir methods fail.
I'm not sure what the easiest fix for that would be. For now, just make
this behavior obvious by denying the override right at the start.
This also fixes some odd v4 behavior: with the rdattr_error attribute
requested, it would perform the readdir but return an ACCES error with
each entry.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
We don't need to keep openowners around in the >=4.1 case, because they
aren't needed to handle CLOSE replays any more (that's a problem for
sessions). And doing so causes unexpected failures on a subsequent
destroy_clientid to fail.
We probably also need something comparable for lock owners on last
unlock.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
No need to cast return value of nla_data()
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Tested-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
- set message type to RTM_NEWROUTE
- relate to original request by inheriting the sequence and port number.
- set NLM_F_MULTI because it's a dump and more messages will follow
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Tested-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Also use nla_get_u32() instead of nla_memcpy() to access u32 attribtues.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Tested-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
nlmsg_end() will take care of this when we finalize the message.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Tested-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
- Invalid context restore on bank 0 for OMAP driver in
runtime suspend/resume cycle
- Check for NULL platform data in sta-2x11 driver
- Constrain selection of the V1 MSM GPIO driver to applicable
platforms (Kconfig issue)
- Make sure the correct output value is set in the wm8994 driver
- Export devm_gpio_request_one() so it can be used in modules.
Apparently some in-kernel modules can be configured to use this
leading to breakage.
- Check that the GPIO is valid in the lantiq driver
- Fix the flag bits introduced for v3.5, so they don't overlap
- Fix a device tree intialization bug for imx21-compatible devices
- Carry over the OF node to the TPS65910 GPIO chip struct
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Merge tag 'fixes-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Yes, this is a *LATE* GPIO pull request with fixes for v3.5.
Grant moved across the planet and accidentally fell off the grid, so
he asked me to take over the GPIO merges for a while 10 days ago.
Since then I went over the archives and collected this pile of fixes,
and pulled two of them from the TI maintainer Kevin Hilman. Then
waited for them to at least hit linux-next once or twice."
GPIO fixes for v3.5:
- Invalid context restore on bank 0 for OMAP driver in runtime
suspend/resume cycle
- Check for NULL platform data in sta-2x11 driver
- Constrain selection of the V1 MSM GPIO driver to applicable platforms
(Kconfig issue)
- Make sure the correct output value is set in the wm8994 driver
- Export devm_gpio_request_one() so it can be used in modules.
Apparently some in-kernel modules can be configured to use this
leading to breakage.
- Check that the GPIO is valid in the lantiq driver
- Fix the flag bits introduced for v3.5, so they don't overlap
- Fix a device tree intialization bug for imx21-compatible devices
- Carry over the OF node to the TPS65910 GPIO chip struct
* tag 'fixes-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: tps65910: initialize of_node of gpio_chip
gpio/mxc: make irqs work for fsl,imx21-gpio devices
gpio: fix bits conflict for gpio flags
mips: pci-lantiq: Fix check for valid gpio
gpio: export devm_gpio_request_one
gpiolib: wm8994: Pay attention to the value set when enabling as output
gpio/msm_v1: CONFIG_GPIO_MSM_V1 is only available on three SoCs
gpio-sta2x11: don't use pdata if null
gpio/omap: fix invalid context restore of gpio bank-0
gpio/omap: fix irq loss while in idle with debounce on
Pull powerpc fixes from Benjamin Herrenschmidt:
"It looks like my rewrite of our lazy irq scheme is still exposing
"interesting" issues left and right. The previous fixes are now
causing an occasional BUG_ON to trigger (which this patch turns into a
WARN_ON while at it), due to another issue of disconnect of the lazy
irq state vs the processor state in the idle loop on pseries and
cell.
This should fix it properly once for all moving the nasty code to a
common helper function.
There's also couple more fixes for some debug stuff that didn't build
(and helped resolving those problems so it's worth having), along with
a compile fix for newer gcc's."
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
tty/hvc_opal: Fix debug function name
powerpc/numa: Avoid stupid uninitialized warning from gcc
powerpc: Fix build of some debug irq code
powerpc: More fixes for lazy IRQ vs. idle
This is an old suspend/resume lockup fix:
commit 2780cc4660e1
Author: Len Brown <len.brown@intel.com>
Date: Thu Dec 23 13:43:30 2004 -0500
[ACPI] Fix suspend/resume lockup issue
by leaving Bus Master Arbitration enabled.
The ACPI spec mandates it be disabled only for C3.
http://bugzilla.kernel.org/show_bug.cgi?id=3599
Signed-off-by: David Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The bug snuck back in in commit 2feec47d4c (ACPICA: ACPI 5: Support
for new FADT SleepStatus, SleepControl registers, 2012-02-14),
presumably by copy/pasting a copy of the code without that fix for the
legacy case.
On affected machines, after that commit, the machine locks up hard on
resume from suspend. The same fix as seven years ago still works.
Addresses <https://bugzilla.kernel.org/show_bug.cgi?id=43641>.
Reported-bisected-and-tested-by: Octavio Alvarez <alvarezp@alvarezp.com>
Reported-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This reverts commit 107a84e61c.
Meelis Roos reports a regression since 3.5-rc5 that stops Sun Fire V100
and Sun Netra X1 sparc64 machines from booting, hanging after enabling
serial console. He bisected it to commit 107a84e61c.
Rob Herring explains:
"The problem is match combinations of compatible plus name and/or type
fail to match correctly. I have a fix for this, but given how late it
is for 3.5 I think it is best to revert this for now. There could be
other cases that rely on the current although wrong behavior. I will
post an updated version for 3.6."
Bisected-and-reported-by: Meelis Roos <mroos@linux.ee>
Requested-by: Rob Herring <rob.herring@calxeda.com>
Cc: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes the folloiwng sparse warning:
drivers/base/power/domain.c:149:5:
warning: symbol '__pm_genpd_poweron' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
kmemcheck_alloc_shadow() requires irqs to be enabled, so wait to disable
them until after its called for __GFP_WAIT allocations.
This fixes a warning for such allocations:
WARNING: at kernel/lockdep.c:2739 lockdep_trace_alloc+0x14e/0x1c0()
Acked-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Make the ux500 crypto driver define its PM callbacks through
struct dev_pm_ops objects rather than by using legacy PM hooks
in struct platform_driver.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
