The memcpy() runtime defenses are still not landed, so test with
strncpy() for now.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220216202548.2093883-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On s390 allyesconfig, there is this build error
rtsx_pcr.c:1084:13: error: 'rtsx_pm_power_saving'
defined but not used
1084 | static void rtsx_pm_power_saving(struct rtsx_pcr *pcr)
| ^~~~~~~~~~~~~~~~~~~~
rtsx_pm_power_saving() is only used by rtsx_pci_runtime_idle()
which is conditional on CONFIG_PM. So conditionally build
rtsx_pm_power_saving() and the similar
rtsx_comm_pm_power_saving() and rtsx_enable_aspm().
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220213171907.2786442-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
AOSP's `netd` process fails to start on Android S:
E ClatdController: getClatEgress4MapFd() failure: Operation not permitted
I netd : Initializing ClatdController: 410us
E netd : Failed to start trafficcontroller: (Status[code: 1, msg: "Pinned map not accessible or does not exist: (/sys/fs/bpf/map_netd_cookie_tag_map): Operation not permitted"])
E netd : CRITICAL: sleeping 60 seconds, netd exiting with failure, crash loop likely!
And on Android R:
I ClatdController: 4.9+ kernel and device shipped with P - clat ebpf might work.
E ClatdController: getClatEgressMapFd() failure: Operation not permitted
I netd : Initializing ClatdController: 1409us
E netd : Failed to start trafficcontroller: (Status[code: 1, msg: "Pinned map not accessible or does not exist: (/sys/fs/bpf/map_netd_cookie_tag_map): Operation not permitted"])
These permission issues are caused by 08389d8882 ("bpf: Add kconfig
knob for disabling unpriv bpf by default") because AOSP does not provide
netd the `SYS_ADMIN` capability, and also has no userspace support for
the `BPF` capability yet.
Cc: Amit Pundir <amit.pundir@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: John Stultz <john.stultz@linaro.org>
[John suggested this in https://linaro.atlassian.net/browse/ACK-107?focusedCommentId=117382]
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20220202100528.190794-2-marijn.suijten@somainline.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Android nowadays (for a couple years already) requires AIO for at least
its `adb` "Android Debug Bridge" [1]. Without this config option
(`default y`) it simply refuses start, making users unable to connect to
their phone for debugging purposes when using these kernel fragments.
[1]: a2cb8de5e6
Cc: Amit Pundir <amit.pundir@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20220202100528.190794-1-marijn.suijten@somainline.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace "struct list_head head = LIST_HEAD_INIT(head)" with
"LIST_HEAD(head)" to simplify the code.
Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Link: https://lore.kernel.org/r/20220209032450.37849-1-cai.huoqing@linux.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace "struct list_head head = LIST_HEAD_INIT(head)" with
"LIST_HEAD(head)" to simplify the code.
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
Link: https://lore.kernel.org/r/20220209032421.37725-1-cai.huoqing@linux.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
While in this particular case (*) it would not be an issue,
the pattern itself is bad and error prone in case somebody
blindly copies to their code.
Don't cast parameter to unsigned long pointer in the bit
operations. Note, new compilers might warn on this line for
potential outbound access.
*) it seems a dead code, so remove it all for good
Fixes: 13d19498b0 ("GRU Driver: driver internal header files")
Acked-by: Dimitri Sivanich <sivanich@hpe.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220214153958.9721-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The family and device comparisons were using memcmp(), but this could
lead to Out-of-bounds reads when the length was larger than the
buffers being compared. Since these appear to always be NUL-terminated
strings, just use strcmp() instead.
This was found with Clang under LTO:
[ 92.405851][ T1] kernel BUG at lib/string_helpers.c:980!
...
[ 92.409141][ T1] RIP: 0010:fortify_panic (fbdev.c:?)
...
[ 92.410056][ T1] ni_assign_device_routes (fbdev.c:?)
[ 92.410056][ T1] ? unittest_enter (fbdev.c:?)
[ 92.410056][ T1] ni_routes_unittest (ni_routes_test.c:?)
[ 92.410056][ T1] ? unittest_enter (fbdev.c:?)
[ 92.410056][ T1] __initstub__kmod_ni_routes_test__505_604_ni_routes_unittest6 (fbdev.c:?)
[ 92.410056][ T1] do_one_initcall (fbdev.c:?)
Link: https://lore.kernel.org/lkml/20220210072821.GD4074@xsang-OptiPlex-9020
Fixes: 4bb90c87ab ("staging: comedi: add interface to ni routing table information")
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Spencer E. Olson <olsonse@umich.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Lee Jones <lee.jones@linaro.org>
Reported-by: kernel test robot <oliver.sang@intel.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220215171017.1247291-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The 'err_remove_vmci_dev_g' error label is not at the right place.
This could lead to un-released resource.
There is also a missing label. If pci_alloc_irq_vectors() fails, the
previous vmci_event_subscribe() call must be undone.
Acked-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/959218ce3b135197946d85cd9453551cd04fa5da.1645734041.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
w1_seq was failing due to several devices responding to the
CHAIN_DONE at the same time. Now properly selects the current
device in the chain with MATCH_ROM. Also acknowledgment was
read twice.
Signed-off-by: Lucas Denefle <lucas.denefle@converge.io>
Link: https://lore.kernel.org/r/20220223113558.232750-1-lucas.denefle@converge.io
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Extend Intel service layer driver to get the firmware version running at
FPGA device. Therefore FPGA manager driver, one of Intel service layer
driver's client, can decide whether to handle the newly added bitstream
authentication function based on the retrieved firmware version.
Link: https://lore.kernel.org/lkml/1617114785-22211-2-git-send-email-richard.gong@linux.intel.com
Acked-by: Moritz Fischr <mdf@kernel.org>
Signed-off-by: Richard Gong <richard.gong@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20220223144908.399522-2-dinguyen@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sc7180 blow fuses got slightly chances to hit qfprom_reg_write timeout.
Current timeout is simply too low. Since blowing fuses is a
very rare operation, so the risk associated with overestimating this
number is low.
Increase fuse blow timeout from 1ms to 10ms.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Knox Chiou <knoxchiou@chromium.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220223223502.29454-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add header for the Delta TN48M CPLD provided
resets.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20220131133049.77780-4-robert.marko@sartura.hr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Delta TN48M switch has an onboard Lattice CPLD that is used as a GPIO
expander.
The CPLD provides 12 pins in total on the TN48M, but on more advanced
switch models it provides up to 192 pins, so the driver is extendable
to support more switches.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20220131133049.77780-3-robert.marko@sartura.hr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Delta TN48M switches have a Lattice CPLD that serves
multiple purposes including being a GPIO expander.
So, lets use the simple I2C MFD driver to provide the MFD core.
Also add a virtual symbol which pulls in the simple-mfd-i2c driver and
provide a common symbol on which the subdevice drivers can depend on.
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20220131133049.77780-2-robert.marko@sartura.hr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since MMC core handles runtime PM reference counting, we can avoid doing
redundant runtime PM work in the driver. That means the only thing
commit 5b4258f672 ("misc: rtsx: rts5249 support runtime PM") misses is
to always enable runtime PM, to let its parent driver enable ASPM in the
runtime idle routine.
Fixes: 7499b529d9 ("mmc: rtsx: Use pm_runtime_{get,put}() to handle runtime PM")
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20220216055435.2335297-1-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since nvmem_unregister() checks for NULL, no need to repeat in
the caller. Drop duplicate NULL checks.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-14-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since nvmem_unregister() checks for NULL, no need to repeat in
the caller. Drop duplicate NULL checks.
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-13-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Update the example to reflect the new API. I have chosen the brcm-nvram
driver since it seems to be simpler than the qfprom driver.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-12-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since commit 795ddd18d3 ("nvmem: core: remove regmap dependency"),
nvmem devices do not use the regmap API. Remove references to it from
the documentation.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-11-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for the Security Fuse Processor found on Layerscape SoCs.
This driver implements basic read access.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-10-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Security Fuse Processor provides efuses and is responsible for
reading it at SoC startup and configuring it accordingly.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-9-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
D1 has a smaller eFuse block than some other recent SoCs, and it no
longer requires a workaround to read the eFuse data.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-7-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
D1 has a SID like other Allwinner SoCs, but with a unique eFuse layout.
Add a new compatible string for it.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-6-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
nvmem_unregister() frees resources and standard pattern is to allow
caller to not care if it's NULL or not. This will reduce burden on
the callers to perform this check.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-4-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Slightly simplify the devm_nvmem_register() by using the
devm_add_action_or_reset().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are no users and seems no will come of the devm_nvmem_unregister().
Remove the function and remove the unused devm_nvmem_match() along with it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Improvements in SCOM and OCC drivers for error handling and retries
* Addition of tracepoints for initialisation path
* API for setting long running SBE FIFO operations
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Merge tag 'fsi-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi into char-misc-next
Joel writes:
FSI changes for v5.18
* Improvements in SCOM and OCC drivers for error handling and retries
* Addition of tracepoints for initialisation path
* API for setting long running SBE FIFO operations
* tag 'fsi-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi:
fsi: Add trace events in initialization path
fsi: sbefifo: Implement FSI_SBEFIFO_READ_TIMEOUT_SECONDS ioctl
fsi: sbefifo: Use specified value of start of response timeout
fsi: occ: Improve response status checking
fsi: scom: Remove retries in indirect scoms
fsi: scom: Fix error handling
Add definitions for trace events to show the scanning flow.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20220207161640.35605-1-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
FSI_SBEFIFO_READ_TIMEOUT_SECONDS ioctl sets the read timeout (in
seconds) for the response received by sbefifo device from sbe. The
timeout affects only the read operation on current sbefifo device fd.
Certain SBE operations can take long time to complete and the default
timeout of 10 seconds might not be sufficient to start receiving
response from SBE. In such cases, allow the timeout to be set to the
maximum of 120 seconds.
The kernel does not contain the definition of the various SBE
operations, so we must expose an interface to userspace to set the
timeout for the given operation.
Signed-off-by: Amitay Isaacs <amitay@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20220121053816.82253-3-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
For some of the chip-ops where sbe needs to collect trace information,
sbe can take a long time (>30s) to respond. Currently these chip-ops
will timeout as the start of response timeout defaults to 10s.
Instead of default value, use specified value. The require timeout
value will be set using ioctl.
Signed-off-by: Amitay Isaacs <amitay@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20220121053816.82253-2-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
If the driver sequence number coincidentally equals the previous
command response sequence number, the driver may proceed with
fetching the entire buffer before the OCC has processed the current
command. To be sure the correct response is obtained, check the
command type and also retry if any of the response parameters have
changed when the rest of the buffer is fetched. Also initialize the
driver with a random sequence number in order to reduce the chances
of this happening.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20220208152235.19686-1-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Merge 5.17-rc4 into char-misc-next
We need the char/misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Move -Wunsligned-access to W=1 builds to avoid sprinkling warnings for
the latest Clang
- Fix missing fclose() in Kconfig
- Fix Kconfig to touch dep headers correctly when KCONFIG_AUTOCONFIG is
overridden.
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Merge tag 'kbuild-fixes-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix the truncated path issue for HAVE_GCC_PLUGINS test in Kconfig
- Move -Wunsligned-access to W=1 builds to avoid sprinkling warnings
for the latest Clang
- Fix missing fclose() in Kconfig
- Fix Kconfig to touch dep headers correctly when KCONFIG_AUTOCONFIG is
overridden.
* tag 'kbuild-fixes-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: fix failing to generate auto.conf
kconfig: fix missing fclose() on error paths
Makefile.extrawarn: Move -Wunaligned-access to W=1
kconfig: let 'shell' return enough output for deep path names
- Don't install an hotplug notifier for GICV3-ITS on systems which do not
need it to prevent a warning in the notifier about inconsistent state
- Add the missing device tree matching for the T-HEAD PLIC variant so the
related SoC is properly supported.
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Merge tag 'irq-urgent-2022-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Interrupt chip driver fixes:
- Don't install an hotplug notifier for GICV3-ITS on systems which do
not need it to prevent a warning in the notifier about inconsistent
state
- Add the missing device tree matching for the T-HEAD PLIC variant so
the related SoC is properly supported"
* tag 'irq-urgent-2022-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/sifive-plic: Add missing thead,c900-plic match string
dt-bindings: update riscv plic compatible string
irqchip/gic-v3-its: Skip HP notifier when no ITS is registered
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Merge tag 'objtool_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fix from Borislav Petkov:
"Fix a case where objtool would mistakenly warn about instructions
being unreachable"
* tag 'objtool_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bug: Merge annotate_reachable() into _BUG_FLAGS() asm
Kees Cook
Tom Rix
Marijn Suijten
Cai Huoqing
Andy Shevchenko
Christophe JAILLET
Lucas Denefle
Richard Gong
Dinh Nguyen
Vincent Shih
Knox Chiou
Robert Marko
Kai-Heng Feng
Sean Anderson
Michael Walle
Xiaoke Wang
Samuel Holland
Srinivas Kandagatla
Greg Kroah-Hartman
Eddie James
Amitay Isaacs
Linus Torvalds