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2016-03-23intel_pmc_ipc: Fix GCR register base address and lengthQipeng Zha
GCR register (pmc_cfg register) is at offset 0x1008, and remapping of 0x4 bytes is enough. Signed-off-by: Francois-Nicolas Muller <francois-nicolas.muller@intel.com> Signed-off-by: Qipeng Zha <qipeng.zha@intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23asus-nb-wmi: add wapf=4 quirk for ASUS X75VDOleksandr Natalenko
Wi-Fi on ASUS X75VD laptop does not work unless asus_nb_wmi module is loaded with wapf=4 option. Add quirk for this. Signed-off-by: Oleksandr Natalenko <oleksandr@natalenko.name> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23intel_telemetry_pltdrv: Change verbosity control bitsSouvik Kumar Chakravarty
Due to a recent fix in the firmware, the Punit verbosity control bits now adhere to the correct pattern. Hence remove the workaround and do a read-modify-write of the register. Signed-off-by: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-rbtn: Add a comment about the XPS 13 9350Andy Lutomirski
On the XPS 13 9350, the dell-rbtn mechanism has a new device id, and the DSDT turns it off if a new enough _OSI is supported. Add a comment about why we don't bother supporting it. Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-wmi: Support new hotkeys on the XPS 13 9350 (Skylake)Andy Lutomirski
The XPS 13 9350 sends WMI keypress events that aren't enumerated in the DMI table. Add a table listing them. To avoid breaking things that worked before, these un-enumerated hotkeys won't be used if the DMI table maps them to something else. FWIW, it appears that the DMI table may be a legacy thing and we might want to rethink how we handle events in general. As an example, a whole lot of things map to KEY_PROG3 via the DMI table. This doesn't send keypress events for any of the new events. They appear to all be handled by other means (keyboard illumination is handled automatically and rfkill is handled by intel-hid). Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-wmi: Clean up hotkey table size checkAndy Lutomirski
Checking the table for a minimum size of 7 bytes makes no sense: any valid hotkey table has a size that's a multiple of 4. Clean this up: replace the hardcoded header length with a sizeof and change the check to ignore an empty hotkey table. The only behavior change is that a 7-byte table (which is nonsensical) will now be treated as absent instead of as valid but empty. Reported-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-wmi, dell-laptop: depends DMIAndy Lutomirski
dell-wmi and dell-laptop will compile but won't work right if DMI isn't selected. Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Pali Rohár <pali.rohar@gmail.com> [arnd: Use depends instead of selects to avoid recursive dependencies] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-wmi: Stop storing pointers to DMI tablesAndy Lutomirski
The dmi_walk function maps the DMI table, walks it, and unmaps it. This means that the dell_bios_hotkey_table that find_hk_type stores points to unmapped memory by the time it gets read. I've been able to trigger crashes caused by the stale pointer a couple of times, but never on a stock kernel. Fix it by generating the keymap in the dmi_walk callback instead of storing a pointer. Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-led: use dell_smbios_send_request() for performing SMBIOS callsMichał Kępień
Instead of using the WMI wrapper, dell-led can take advantage of dell_smbios_send_request() for performing the SMBIOS calls required to change the state of the microphone LED. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-led: use dell_smbios_find_token() for finding mic DMI tokensMichał Kępień
With the advent of dell_smbios_find_token(), dell-led does not need to perform any DMI walking on its own, but it can rather ask dell-smbios to look up the DMI tokens it needs for changing the state of the microphone LED. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: make da_tokens staticMichał Kępień
As dell-laptop has been changed to use dell_smbios_find_token() instead of directly accessing members of the da_tokens table, the latter can be marked static. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: remove find_token_{id,location}()Michał Kępień
As dell-laptop has been changed to use dell_smbios_find_token() instead of find_token_id() and find_token_location(), these functions can be safely removed. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-laptop: use dell_smbios_find_token() instead of find_token_location()Michał Kępień
Replace all uses of find_token_location() with dell_smbios_find_token() to avoid directly accessing the da_tokens table. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-laptop: use dell_smbios_find_token() instead of find_token_id()Michał Kępień
Replace all uses of find_token_id() with dell_smbios_find_token() to avoid directly accessing the da_tokens table. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: implement new function for finding DMI table 0xDA tokensMichał Kępień
Ultimately, the da_tokens table should not be exported from dell-smbios. Currently, in some cases, dell-laptop accesses that table's members directly, so implement a new function, dell_smbios_find_token(), which returns a pointer to an entry inside the da_tokens table with the given token ID (or NULL if it is not found). Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: make the SMBIOS buffer staticMichał Kępień
As dell-laptop has been changed to always retrieve a pointer to the SMBIOS buffer using dell_smbios_get_buffer(), the SMBIOS buffer can be marked static. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: return the SMBIOS buffer from dell_smbios_get_buffer()Michał Kępień
Ultimately, the SMBIOS buffer should not be exported from dell-smbios. Currently, dell-laptop accesses it directly using a global variable, so make dell_smbios_get_buffer() return a pointer to the SMBIOS buffer and replace all uses of the global variable with local variables. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: don't return an SMBIOS buffer from dell_smbios_send_request()Michał Kępień
An SMBIOS buffer pointer does not need to be returned by dell_smbios_send_request(), because SMBIOS call results are stored in the buffer exported by the module. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: don't pass an SMBIOS buffer to dell_smbios_send_request()Michał Kępień
Passing an SMBIOS buffer pointer to dell_smbios_send_request() is redundant as it should always operate on the SMBIOS buffer exported from the module. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: rename dell_send_request() to dell_smbios_send_request()Michał Kępień
As dell_send_request() is exported from the module, its prefix should be consistent with other exported symbols, so change function name to dell_smbios_send_request(). Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: rename release_buffer() to dell_smbios_release_buffer()Michał Kępień
As release_buffer() is exported from the module, it has to be renamed to something less generic, so add a "dell_smbios_" prefix to the function name. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: rename clear_buffer() to dell_smbios_clear_buffer()Michał Kępień
As clear_buffer() is exported from the module, it has to be renamed to something less generic, so add a "dell_smbios_" prefix to the function name. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-smbios: rename get_buffer() to dell_smbios_get_buffer()Michał Kępień
As get_buffer() is exported from the module, it has to be renamed to something less generic, so add a "dell_smbios_" prefix to the function name. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23dell-laptop: extract SMBIOS-related code to a separate moduleMichał Kępień
Extract SMBIOS-related code from dell-laptop to a new kernel module, dell-smbios. The static specifier is removed from exported symbols, otherwise code is just moved around. Signed-off-by: Michał Kępień <kernel@kempniu.pl> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> [dvhart: Include linux/io.h in dell-smbios.c as caught by lkp] Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23toshiba_acpi: Add a module parameter to disable hotkeys registrationAzael Avalos
Some laptop models have working hotkeys without the need of the driver to activate them. This patch adds a module parameter to tell the driver not to register the hotkeys. The new parameter is useful in DE less installations or where the DE does not handle the hotkeys (see bug 99501). Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23Documentation/ABI: Update sysfs-driver-toshiba_acpi fileAzael Avalos
This patch updates the documentation file adding the Cooling Method entry. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23toshiba_acpi: Add sysfs entries for the Cooling Method featureAzael Avalos
This patch adds the sysfs entry Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23toshiba_acpi: Add support for cooling method featureAzael Avalos
This patch adds support to query and set the "Cooling Method" feature, which basically changes how the system fan behaves, depending on the supported cooling methods. Depending on the laptop model, these are the (so far...) available cooling methods: - Maximum Performance - Performance - Battery Optimized Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23thinkpad_acpi: Remove ambiguous logging for "Unsupported brightness interface"Eric Curtin
"Unsupported brightness interface" message gets logged on machines that are well supported. Signed-off-by: Eric Curtin <ericcurtin17@gmail.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23pwm: omap-dmtimer: Add debug message for effective period and duty cycleDavid Rivshin
After going through the math and constraints checking to compute load and match values, it is helpful to know what the resultant period and duty cycle are. Signed-off-by: David Rivshin <drivshin@allworx.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-03-23pwm: omap-dmtimer: Round load and match values rather than truncateDavid Rivshin
When converting period and duty_cycle from nanoseconds to fclk cycles, the error introduced by the integer division can be appreciable, especially in the case of slow fclk or short period. Use DIV_ROUND_CLOSEST_ULL() so that the error is kept to +/- 0.5 clock cycles. Fixes: 6604c6556db9 ("pwm: Add PWM driver for OMAP using dual-mode timers") Signed-off-by: David Rivshin <drivshin@allworx.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-03-23pwm: omap-dmtimer: Add sanity checking for load and match valuesDavid Rivshin
Add sanity checking to ensure that we do not program load or match values that are out of range if a user requests period or duty_cycle values which are not achievable. The match value cannot be less than the load value (but can be equal), and neither can be 0xffffffff. This means that there must be at least one fclk cycle between load and match, and another between match and overflow. Fixes: 6604c6556db9 ("pwm: Add PWM driver for OMAP using dual-mode timers") Signed-off-by: David Rivshin <drivshin@allworx.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> [thierry.reding@gmail.com: minor coding style cleanups] Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-03-23pwm: omap-dmtimer: Fix inaccurate period and duty cycle calculationsDavid Rivshin
Fix the calculation of load_value and match_value. Currently they are slightly too low, which produces a noticeably wrong PWM rate with sufficiently short periods (i.e. when 1/period approaches clk_rate/2). Example: clk_rate=32768Hz, period=122070ns, duty_cycle=61035ns (8192Hz/50% PWM) Correct values: load = 0xfffffffc, match = 0xfffffffd Current values: load = 0xfffffffa, match = 0xfffffffc effective PWM: period=183105ns, duty_cycle=91553ns (5461Hz/50% PWM) Fixes: 6604c6556db9 ("pwm: Add PWM driver for OMAP using dual-mode timers") Signed-off-by: David Rivshin <drivshin@allworx.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Tested-by: Adam Ford <aford173@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-03-23pwm: brcmstb: Fix check of devm_ioremap_resource() return codeVladimir Zapolskiy
The change fixes potential oops while accessing iomem on invalid address if devm_ioremap_resource() fails due to some reason. The devm_ioremap_resource() function returns ERR_PTR() and never returns NULL, which makes useless a following check for NULL. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Fixes: 3a9f5957020f ("pwm: Add Broadcom BCM7038 PWM controller support") Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-03-23pwm: rcar: Depend on ARCH_RENESAS instead of ARCH_SHMOBILESimon Horman
This is part of an ongoing process to migrate from ARCH_SHMOBILE to ARCH_RENESAS the motivation for which being that RENESAS seems to be a more appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-03-23pwm: lpc18xx-sct: Test clock rate to avoid division by 0Wolfram Sang
The clk API may return 0 on clk_get_rate(), so we should check the result before using it as a divisor. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-03-23pwm: img: Test clock rate to avoid division by 0Wolfram Sang
The clk API may return 0 on clk_get_rate(), so we should check the result before using it as a divisor. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-03-23perf tools: Simplify die() mechanismArnaldo Carvalho de Melo
This should die altogether, but for now lets remove a bit of this stuff, as it is not used at all. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-ade3n99xscldhg5mx2vzd8p3@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23perf tools: Remove unused DIE_IF macroArnaldo Carvalho de Melo
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-elxg25jd4dhwod4wqbko87qh@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23parisc: Wire up preadv2 and pwritev2 syscallsHelge Deller
Signed-off-by: Helge Deller <deller@gmx.de>
2016-03-23perf script: Remove lots of unused argumentsArnaldo Carvalho de Melo
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23perf thread: Rename perf_event__preprocess_sample_addr to thread__resolveArnaldo Carvalho de Melo
Since none of the perf_event fields are used anymore, just the perf_sample ones, and since this resolves to (map, symbol) from data structures within struct thread, rename it to thread__resolve and make the argument ordering similar to the one in machine__resolve(). Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Hemant Kumar <hemant@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-2b33hs9bp550tezzlhl4kejh@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23perf machine: Rename perf_event__preprocess_sample to machine__resolveArnaldo Carvalho de Melo
Since we only deal with fields in the passed struct perf_sample move this method to struct machine, that is where the perf_sample fields will be resolved to a struct addr_location, i.e. thread, map, symbol, etc. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Hemant Kumar <hemant@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-a1ww2lbm2vbuqsv4p7ilubu9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23perf tools: Add cpumode to struct perf_sampleArnaldo Carvalho de Melo
To avoid parsing event->header.misc in many locations. This will also allow setting perf.sample.{ip,cpumode} in a single place, from tracepoint fields, as needed by 'perf kvm' with PPC guests, where the guest hardware counters is not available at the host. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Hemant Kumar <hemant@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-qp3yradhyt6q3wl895b1aat0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23perf tests: Forward the perf_sample in the dwarf unwind testArnaldo Carvalho de Melo
It _will_ be used, no sense in receiving it and nor fowarding it along. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Hemant Kumar <hemant@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-ht8v5et209wuoh5o6nh9pzyq@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23perf tools: Remove misplaced __maybe_unusedArnaldo Carvalho de Melo
All over the tree. Cc: David Ahern <dsahern@gmail.com> cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-8nzhnokxyp8y4v7gf0j00oyb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23parisc: Use generic extable search and sort routinesHelge Deller
Switch to the generic extable search and sort routines which were introduced with commit a272858 from Ard Biesheuvel. This saves quite some memory in the vmlinux binary with the 64bit kernel. Signed-off-by: Helge Deller <deller@gmx.de>
2016-03-23parisc: Panic immediately when panic_on_oopsAaro Koskinen
PA-RISC wants to sleep 5 seconds before panicking when panic_on_oops is set, with no apparent reason. Remove this feature, since some users may want their systems to fail as quickly as possible. Users who want to delay reboot after panic can use PANIC_TIMEOUT. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Helge Deller <deller@gmx.de>
2016-03-23parisc,metag: Implement CONFIG_DEBUG_STACK_USAGE optionHelge Deller
On parisc and metag the stack grows upwards, so for those we need to scan the stack downwards in order to calculate how much stack a process has used. Tested on a 64bit parisc kernel. Signed-off-by: Helge Deller <deller@gmx.de>
2016-03-23parisc: Drop alloc_hugepages and free_hugepages syscallsHelge Deller
The system calls alloc_hugepages() and free_hugepages() were introduced in Linux 2.5.36 and removed again in 2.5.54. They were never implemented on parisc, so let's drop them now. Signed-off-by: Helge Deller <deller@gmx.de>
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