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The function of_thermal_destroy_zones() is only used internally by the
of_parse_thermal_zones() for rollbacking in case of error.
Make it static and tag it as an __init function.
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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As we introduced the idle injection cooling device called
cpuidle_cooling, let's be consistent and rename the cpu_cooling to
cpufreq_cooling as this one mitigates with OPPs changes.
Signed-off-by: Daniel Lezcano <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Reviewed-by: Amit Kucheria <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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The cpu idle cooling device offers a new method to cool down a CPU by
injecting idle cycles at runtime.
It has some similarities with the intel power clamp driver but it is
actually designed to be more generic and relying on the idle injection
powercap framework.
The idle injection duration is fixed while the running duration is
variable. That allows to have control on the device reactivity for the
user experience.
An idle state powering down the CPU or the cluster will allow to drop
the static leakage, thus restoring the heat capacity of the SoC. It
can be set with a trip point between the hot and the critical points,
giving the opportunity to prevent a hard reset of the system when the
cpufreq cooling fails to cool down the CPU.
With more sophisticated boards having a per core sensor, the idle
cooling device allows to cool down a single core without throttling
the compute capacity of several cpus belonging to the same clock line,
so it could be used in collaboration with the cpufreq cooling device.
Signed-off-by: Daniel Lezcano <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Provide some documentation for the idle injection cooling effect in
order to let people to understand the rational of the approach for the
idle injection CPU cooling device.
Signed-off-by: Daniel Lezcano <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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By default, of-based thermal drivers do not enable hwmon.
Explicitly enable hwmon for both, the soc and gpu temperature
sensor.
Signed-off-by: Stefan Schaeckeler <[email protected]>
Tested-by: Daniel Lezcano <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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The reset bit needs to be cleared in the init sequence otherwise it
holds the block in reset.
Signed-off-by: Zachary Hays <[email protected]>
Reviewed-by: Miquel Raynal <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/BN8PR10MB33797EECAC557B5018A0A6628C580@BN8PR10MB3379.namprd10.prod.outlook.com
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As shown in its device tree, Armada XP has the control1 register at
0x184d0, not 0x182d0.
Signed-off-by: Zachary Hays <[email protected]>
Reviewed-by: Miquel Raynal <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/BN8PR10MB337990B7688320D736760BB68C580@BN8PR10MB3379.namprd10.prod.outlook.com
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The next changes will add a new way to cool down a CPU by injecting
idle cycles. With the current configuration, a CPU cooling device is
the cpufreq cooling device. As we want to add a new CPU cooling
device, let's convert the CPU cooling to a choice giving a list of CPU
cooling devices. At this point, there is obviously only one CPU
cooling device.
There is no functional changes.
Signed-off-by: Daniel Lezcano <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Expose thermal readings as a HWMON device, so that it could be
accessed using lm-sensors.
Signed-off-by: Andrey Smirnov <[email protected]>
Reviewed-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Add devres wrapper for thermal_add_hwmon_sysfs() to simplify driver
code.
Signed-off-by: Andrey Smirnov <[email protected]>
Reviewed-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Before returning measured temperature data to upper layer we need to
make sure that the reading was marked as "valid" to avoid reporting
bogus data.
Signed-off-by: Andrey Smirnov <[email protected]>
Reviewed-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Tmu_get_temp will get called as a part of sensor registration via
devm_thermal_zone_of_sensor_register(). To prevent it from retruning
bogus data we need to enable sensor monitoring before that. Looking at
the datasheet (i.MX8MQ RM) there doesn't seem to be any harm in
enabling them all, so, for the sake of simplicity, change the code to
do just that.
Signed-off-by: Andrey Smirnov <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Convert driver to use regmap API, drop custom LE/BE IO helpers and
simplify bit manipulation using regmap_update_bits(). This also allows
us to convert some register initialization to use loops and adds
convenient debug access to TMU registers via debugfs.
Signed-off-by: Andrey Smirnov <[email protected]>
Reviewed-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Driver data of underlying struct device will be set to NULL by Linux's
driver infrastructure. Clearing it here is unnecessary.
Signed-off-by: Andrey Smirnov <[email protected]>
Reviewed-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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We can simplify error cleanup code if instead of passing a "struct
platform_device *" to qoriq_tmu_calibration() and deriving a bunch of
pointers from it, we pass those pointers directly. This way we won't
be force to call platform_set_drvdata() as early in qoriq_tmu_probe()
and need to have "platform_set_drvdata(pdev, NULL);" in error path.
Signed-off-by: Andrey Smirnov <[email protected]>
Reviewed-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Pass all necessary data to qoriq_tmu_register_tmu_zone() directly
instead of passing a platform device and then deriving it. This is
done as a first step to simplify resource deallocation code.
Signed-off-by: Andrey Smirnov <[email protected]>
Acked-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Embed per-sensor data into struct qoriq_tmu_data so we can drop the
code allocating it. This also allows us to get rid of per-sensor back
reference to struct qoriq_tmu_data since now its address can be
calculated using container_of().
Signed-off-by: Andrey Smirnov <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Zhang Rui <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Add local struct qoriq_sensor pointer in qoriq_tmu_register_tmu_zone()
for brevity.
Signed-off-by: Andrey Smirnov <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Zhang Rui <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Struct thermal_zone_device reference stored as sensor's private data
isn't really used anywhere in the code. Drop it.
Signed-off-by: Andrey Smirnov <[email protected]>
Acked-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Use a local "struct device *dev" for brevity. No functional change
intended.
Signed-off-by: Andrey Smirnov <[email protected]>
Acked-by: Daniel Lezcano <[email protected]>
Tested-by: Lucas Stach <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Angus Ainslie (Purism) <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Fix up the following warning when compiled with make W=1:
linux.git/drivers/thermal/zx2967_thermal.c:57: warning: Function
parameter or member 'dev' not described in 'zx2967_thermal_priv'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/1b4f6fb91e2e713ad5135f0d40dcded65dee9d0e.1574242756.git.amit.kucheria@linaro.org
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Fix up the following warning when compiled with make W=1:
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'A' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'B' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'm' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'n' not described in 'amlogic_thermal_soc_calib_data'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/139c9191f1a18d528b5f94376facf40291d28244.1574242756.git.amit.kucheria@linaro.org
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Fix up the following warning when compiled with make W=1:
linux.git/drivers/thermal/tegra/soctherm.c:369: warning: Function parameter or member 'value' not described in 'ccroc_writel'
linux.git/drivers/thermal/tegra/soctherm.c:369: warning: Excess function parameter 'v' description in 'ccroc_writel'
linux.git/drivers/thermal/tegra/soctherm.c:447: warning: Function parameter or member 'dev' not described in 'enforce_temp_range'
linux.git/drivers/thermal/tegra/soctherm.c:772: warning: Function parameter or member 'sg' not described in 'tegra_soctherm_set_hwtrips'
linux.git/drivers/thermal/tegra/soctherm.c:772: warning: Function parameter or member 'tz' not described in 'tegra_soctherm_set_hwtrips'
linux.git/drivers/thermal/tegra/soctherm.c:944: warning: Function parameter or member 'ts' not described in 'soctherm_oc_intr_enable'
linux.git/drivers/thermal/tegra/soctherm.c:1167: warning: Function parameter or member 'data' not described in 'soctherm_oc_irq_disable'
linux.git/drivers/thermal/tegra/soctherm.c:1167: warning: Excess function parameter 'irq_data' description in 'soctherm_oc_irq_disable'
linux.git/drivers/thermal/tegra/soctherm.c:1224: warning: Function parameter or member 'ctrlr' not described in 'soctherm_irq_domain_xlate_twocell'
linux.git/drivers/thermal/tegra/soctherm.c:1686: warning: Function parameter or member 'pdev' not described in 'soctherm_init_hw_throt_cdev'
linux.git/drivers/thermal/tegra/soctherm.c:1764: warning: Function parameter or member 'ts' not described in 'throttlectl_cpu_level_cfg'
linux.git/drivers/thermal/tegra/soctherm.c:1812: warning: Function parameter or member 'ts' not described in 'throttlectl_cpu_level_select'
linux.git/drivers/thermal/tegra/soctherm.c:1855: warning: Function parameter or member 'ts' not described in 'throttlectl_cpu_mn'
linux.git/drivers/thermal/tegra/soctherm.c:1886: warning: Function parameter or member 'ts' not described in 'throttlectl_gpu_level_select'
linux.git/drivers/thermal/tegra/soctherm.c:1928: warning: Function parameter or member 'ts' not described in 'soctherm_throttle_program'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/db764f71253bb2ad569b0aeab4c91207a39317ce.1574242756.git.amit.kucheria@linaro.org
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Fix up the following warning when compiled with make W=1:
linux.git/drivers/thermal/samsung/exynos_tmu.c:141: warning: bad
line: driver
linux.git/drivers/thermal/samsung/exynos_tmu.c:203: warning: Function
parameter or member 'tzd' not described in 'exynos_tmu_data'
linux.git/drivers/thermal/samsung/exynos_tmu.c:203: warning: Function
parameter or member 'tmu_set_trip_temp' not described in
'exynos_tmu_data'
linux.git/drivers/thermal/samsung/exynos_tmu.c:203: warning: Function
parameter or member 'tmu_set_trip_hyst' not described in
'exynos_tmu_data'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/1ded1697c6e5eff11b034b3302b9c79e88fa9c42.1574242756.git.amit.kucheria@linaro.org
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Replace a comment starting with /** by simply /* to avoid having it
interpreted as a kernel-doc comment. Describe missing function
parameters where needed.
Fixes up the following warnings when compiled with make W=1:
linux.git/drivers/thermal/rockchip_thermal.c:27: warning: cannot
understand function prototype: 'enum tshut_mode '
linux.git/drivers/thermal/rockchip_thermal.c:37: warning: cannot
understand function prototype: 'enum tshut_polarity '
linux.git/drivers/thermal/rockchip_thermal.c:46: warning: cannot
understand function prototype: 'enum sensor_id '
linux.git/drivers/thermal/rockchip_thermal.c:56: warning: cannot
understand function prototype: 'enum adc_sort_mode '
linux.git/drivers/thermal/rockchip_thermal.c:123: warning: Function
parameter or member 'chn_id' not described in 'rockchip_tsadc_chip'
linux.git/drivers/thermal/rockchip_thermal.c:123: warning: Function
parameter or member 'control' not described in 'rockchip_tsadc_chip'
linux.git/drivers/thermal/rockchip_thermal.c:167: warning: Function
parameter or member 'sensors' not described in 'rockchip_thermal_data'
linux.git/drivers/thermal/rockchip_thermal.c:608: warning: Function
parameter or member 'grf' not described in 'rk_tsadcv2_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:608: warning: Function
parameter or member 'regs' not described in 'rk_tsadcv2_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:608: warning: Function
parameter or member 'tshut_polarity' not described in
'rk_tsadcv2_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:644: warning: Function
parameter or member 'grf' not described in 'rk_tsadcv3_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:644: warning: Function
parameter or member 'regs' not described in 'rk_tsadcv3_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:644: warning: Function
parameter or member 'tshut_polarity' not described in
'rk_tsadcv3_initialize'
linux.git/drivers/thermal/rockchip_thermal.c:732: warning: Function
parameter or member 'regs' not described in 'rk_tsadcv3_control'
linux.git/drivers/thermal/rockchip_thermal.c:732: warning: Function
parameter or member 'enable' not described in 'rk_tsadcv3_control'
linux.git/drivers/thermal/rockchip_thermal.c:1211: warning: Function
parameter or member 'reset' not described in
'rockchip_thermal_reset_controller'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/c3cbdb0619fec602668ba7ae703ba49d67e30b33.1574242756.git.amit.kucheria@linaro.org
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Replace a comment starting with /** by simply /* to avoid having it
interpreted as a kernel-doc comment. Describe missing function
parameters where needed.
Fixes up the following warnings when compiled with make W=1:
linux.git/drivers/thermal/mtk_thermal.c:374: warning: cannot understand
function prototype: 'const struct mtk_thermal_data mt8173_thermal_data =
'
linux.git/drivers/thermal/mtk_thermal.c:413: warning: cannot understand
function prototype: 'const struct mtk_thermal_data mt2701_thermal_data =
'
linux.git/drivers/thermal/mtk_thermal.c:443: warning: cannot understand
function prototype: 'const struct mtk_thermal_data mt2712_thermal_data =
'
linux.git/drivers/thermal/mtk_thermal.c:499: warning: cannot understand
function prototype: 'const struct mtk_thermal_data mt8183_thermal_data =
'
linux.git/drivers/thermal/mtk_thermal.c:529: warning: Function parameter
or member 'sensno' not described in 'raw_to_mcelsius'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/ba10b886705879fd1b7d529fec50503d6696df20.1574242756.git.amit.kucheria@linaro.org
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Fix up the following warning when compiled with make W=1:
linux.git/drivers/thermal/max77620_thermal.c:48: warning: Function
parameter or member 'temp' not described in 'max77620_thermal_read_temp'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/c943d51e7913a4b73cda447547b8ee77c857f7ba.1574242756.git.amit.kucheria@linaro.org
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Fix up the following warnings with make W=1:
linux.git/drivers/thermal/devfreq_cooling.c:68: warning: Function
parameter or member 'capped_state' not described in
'devfreq_cooling_device'
linux.git/drivers/thermal/devfreq_cooling.c:593: warning: Function
parameter or member 'cdev' not described in 'devfreq_cooling_unregister'
linux.git/drivers/thermal/devfreq_cooling.c:593: warning: Excess
function parameter 'dfc' description in 'devfreq_cooling_unregister'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/7059d82472fe12139fc7a3379c5b9716a23cce5c.1574242756.git.amit.kucheria@linaro.org
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Replace - with : to appease the kernel-doc gods and fix warnings such as
the following when compiled with make W=1:
linux-amit.git/drivers/thermal/step_wise.c:187: warning: Function
parameter or member 'tz' not described in 'step_wise_throttle'
linux-amit.git/drivers/thermal/step_wise.c:187: warning: Function
parameter or member 'trip' not described in 'step_wise_throttle'
linux.git/drivers/thermal/fair_share.c:79: warning: Function parameter
or member 'tz' not described in 'fair_share_throttle'
linux.git/drivers/thermal/fair_share.c:79: warning: Function parameter
or member 'trip' not described in 'fair_share_throttle'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/5d48ac6f85667a53902092ad5bbfef8cc89a7162.1574242756.git.amit.kucheria@linaro.org
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Describe the function parameter to fix the following warning with make
W=1:
linux.git/drivers/thermal/cpu_cooling.c:92: warning: Function parameter
or member 'qos_req' not described in 'cpufreq_cooling_device'
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/ddb09e9728533c274edae7ff3da515b3cf7ef231.1574242756.git.amit.kucheria@linaro.org
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Replace a comment starting with /** by simply /* to avoid having
it interpreted as a kernel-doc comment.
Fixes the following warning when compile with make W=1:
linux.git/drivers/thermal/of-thermal.c:761: warning: cannot understand function prototype: 'const char *trip_types[] = '
Signed-off-by: Amit Kucheria <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/dc742789bf4b3c8207b01c7946f2b401350536a7.1574242756.git.amit.kucheria@linaro.org
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We are not interested in getting this debug print on our
console all the time.
Cc: Daniel Lezcano <[email protected]>
Cc: Stephan Gerhold <[email protected]>
Fixes: 6c375eccded4 ("thermal: db8500: Rewrite to be a pure OF sensor")
Signed-off-by: Linus Walleij <[email protected]>
Reviewed-by: Stephan Gerhold <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
Here are the USB-serial updates for 5.6-rc1, including:
- a missing ir-usb endpoint sanity check
- fixes for two long-standing regressions in ir-usb
- opticon chars_in_buffer support
Included are also various clean ups.
All have been in linux-next with no reported issues.
Signed-off-by: Johan Hovold <[email protected]>
* tag 'usb-serial-5.6-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: cyberjack: fix spelling mistake "To" -> "Too"
USB: serial: ir-usb: simplify endpoint check
USB: serial: ir-usb: make set_termios synchronous
USB: serial: ir-usb: fix IrLAP framing
USB: serial: ir-usb: fix link-speed handling
USB: serial: ir-usb: add missing endpoint sanity check
USB: serial: garmin_gps: Use flexible-array member
USB: serial: opticon: stop all I/O on close()
USB: serial: opticon: add chars_in_buffer() implementation
|
|
Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
This batch contains Netfilter updates for net-next:
1) Add nft_setelem_parse_key() helper function.
2) Add NFTA_SET_ELEM_KEY_END to specify a range with one single element.
3) Add NFTA_SET_DESC_CONCAT to describe the set element concatenation,
from Stefano Brivio.
4) Add bitmap_cut() to copy n-bits from source to destination,
from Stefano Brivio.
5) Add set to match on arbitrary concatenations, from Stefano Brivio.
6) Add selftest for this new set type. An extract of Stefano's
description follows:
"Existing nftables set implementations allow matching entries with
interval expressions (rbtree), e.g. 192.0.2.1-192.0.2.4, entries
specifying field concatenation (hash, rhash), e.g. 192.0.2.1:22,
but not both.
In other words, none of the set types allows matching on range
expressions for more than one packet field at a time, such as ipset
does with types bitmap:ip,mac, and, to a more limited extent
(netmasks, not arbitrary ranges), with types hash:net,net,
hash:net,port, hash:ip,port,net, and hash:net,port,net.
As a pure hash-based approach is unsuitable for matching on ranges,
and "proxying" the existing red-black tree type looks impractical as
elements would need to be shared and managed across all employed
trees, this new set implementation intends to fill the functionality
gap by employing a relatively novel approach.
The fundamental idea, illustrated in deeper detail in patch 5/9, is to
use lookup tables classifying a small number of grouped bits from each
field, and map the lookup results in a way that yields a verdict for
the full set of specified fields.
The grouping bit aspect is loosely inspired by the Grouper algorithm,
by Jay Ligatti, Josh Kuhn, and Chris Gage (see patch 5/9 for the full
reference).
A reference, stand-alone implementation of the algorithm itself is
available at:
https://pipapo.lameexcu.se
Some notes about possible future optimisations are also mentioned
there. This algorithm reduces the matching problem to, essentially,
a repetitive sequence of simple bitwise operations, and is
particularly suitable to be optimised by leveraging SIMD instruction
sets."
====================
Signed-off-by: David S. Miller <[email protected]>
|
|
This test covers functionality and stability of the newly added
nftables set implementation supporting concatenation of ranged
fields.
For some selected set expression types, test:
- correctness, by checking that packets match or don't
- concurrency, by attempting races between insertion, deletion, lookup
- timeout feature, checking that packets don't match expired entries
and (roughly) estimate matching rates, comparing to baselines for
simple drop on netdev ingress hook and for hash and rbtrees sets.
In order to send packets, this needs one of sendip, netcat or bash.
To flood with traffic, iperf3, iperf and netperf are supported. For
performance measurements, this relies on the sample pktgen script
pktgen_bench_xmit_mode_netif_receive.sh.
If none of the tools suitable for a given test are available, specific
tests will be skipped.
Signed-off-by: Stefano Brivio <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
|
|
This new set type allows for intervals in concatenated fields,
which are expressed in the usual way, that is, simple byte
concatenation with padding to 32 bits for single fields, and
given as ranges by specifying start and end elements containing,
each, the full concatenation of start and end values for the
single fields.
Ranges are expanded to composing netmasks, for each field: these
are inserted as rules in per-field lookup tables. Bits to be
classified are divided in 4-bit groups, and for each group, the
lookup table contains 4^2 buckets, representing all the possible
values of a bit group. This approach was inspired by the Grouper
algorithm:
http://www.cse.usf.edu/~ligatti/projects/grouper/
Matching is performed by a sequence of AND operations between
bucket values, with buckets selected according to the value of
packet bits, for each group. The result of this sequence tells
us which rules matched for a given field.
In order to concatenate several ranged fields, per-field rules
are mapped using mapping arrays, one per field, that specify
which rules should be considered while matching the next field.
The mapping array for the last field contains a reference to
the element originally inserted.
The notes in nft_set_pipapo.c cover the algorithm in deeper
detail.
A pure hash-based approach is of no use here, as ranges need
to be classified. An implementation based on "proxying" the
existing red-black tree set type, creating a tree for each
field, was considered, but deemed impractical due to the fact
that elements would need to be shared between trees, at least
as long as we want to keep UAPI changes to a minimum.
A stand-alone implementation of this algorithm is available at:
https://pipapo.lameexcu.se
together with notes about possible future optimisations
(in pipapo.c).
This algorithm was designed with data locality in mind, and can
be highly optimised for SIMD instruction sets, as the bulk of
the matching work is done with repetitive, simple bitwise
operations.
At this point, without further optimisations, nft_concat_range.sh
reports, for one AMD Epyc 7351 thread (2.9GHz, 512 KiB L1D$, 8 MiB
L2$):
TEST: performance
net,port [ OK ]
baseline (drop from netdev hook): 10190076pps
baseline hash (non-ranged entries): 6179564pps
baseline rbtree (match on first field only): 2950341pps
set with 1000 full, ranged entries: 2304165pps
port,net [ OK ]
baseline (drop from netdev hook): 10143615pps
baseline hash (non-ranged entries): 6135776pps
baseline rbtree (match on first field only): 4311934pps
set with 100 full, ranged entries: 4131471pps
net6,port [ OK ]
baseline (drop from netdev hook): 9730404pps
baseline hash (non-ranged entries): 4809557pps
baseline rbtree (match on first field only): 1501699pps
set with 1000 full, ranged entries: 1092557pps
port,proto [ OK ]
baseline (drop from netdev hook): 10812426pps
baseline hash (non-ranged entries): 6929353pps
baseline rbtree (match on first field only): 3027105pps
set with 30000 full, ranged entries: 284147pps
net6,port,mac [ OK ]
baseline (drop from netdev hook): 9660114pps
baseline hash (non-ranged entries): 3778877pps
baseline rbtree (match on first field only): 3179379pps
set with 10 full, ranged entries: 2082880pps
net6,port,mac,proto [ OK ]
baseline (drop from netdev hook): 9718324pps
baseline hash (non-ranged entries): 3799021pps
baseline rbtree (match on first field only): 1506689pps
set with 1000 full, ranged entries: 783810pps
net,mac [ OK ]
baseline (drop from netdev hook): 10190029pps
baseline hash (non-ranged entries): 5172218pps
baseline rbtree (match on first field only): 2946863pps
set with 1000 full, ranged entries: 1279122pps
v4:
- fix build for 32-bit architectures: 64-bit division needs
div_u64() (kbuild test robot <[email protected]>)
v3:
- rework interface for field length specification,
NFT_SET_SUBKEY disappears and information is stored in
description
- remove scratch area to store closing element of ranges,
as elements now come with an actual attribute to specify
the upper range limit (Pablo Neira Ayuso)
- also remove pointer to 'start' element from mapping table,
closing key is now accessible via extension data
- use bytes right away instead of bits for field lengths,
this way we can also double the inner loop of the lookup
function to take care of upper and lower bits in a single
iteration (minor performance improvement)
- make it clearer that set operations are actually atomic
API-wise, but we can't e.g. implement flush() as one-shot
action
- fix type for 'dup' in nft_pipapo_insert(), check for
duplicates only in the next generation, and in general take
care of differentiating generation mask cases depending on
the operation (Pablo Neira Ayuso)
- report C implementation matching rate in commit message, so
that AVX2 implementation can be compared (Pablo Neira Ayuso)
v2:
- protect access to scratch maps in nft_pipapo_lookup() with
local_bh_disable/enable() (Florian Westphal)
- drop rcu_read_lock/unlock() from nft_pipapo_lookup(), it's
already implied (Florian Westphal)
- explain why partial allocation failures don't need handling
in pipapo_realloc_scratch(), rename 'm' to clone and update
related kerneldoc to make it clear we're not operating on
the live copy (Florian Westphal)
- add expicit check for priv->start_elem in
nft_pipapo_insert() to avoid ending up in nft_pipapo_walk()
with a NULL start element, and also zero it out in every
operation that might make it invalid, so that insertion
doesn't proceed with an invalid element (Florian Westphal)
Signed-off-by: Stefano Brivio <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
|
|
The new bitmap function bitmap_cut() copies bits from source to
destination by removing the region specified by parameters first
and cut, and remapping the bits above the cut region by right
shifting them.
Signed-off-by: Stefano Brivio <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
|
|
Introduce a new nested netlink attribute, NFTA_SET_DESC_CONCAT, used
to specify the length of each field in a set concatenation.
This allows set implementations to support concatenation of multiple
ranged items, as they can divide the input key into matching data for
every single field. Such set implementations would be selected as
they specify support for NFT_SET_INTERVAL and allow desc->field_count
to be greater than one. Explicitly disallow this for nft_set_rbtree.
In order to specify the interval for a set entry, userspace would
include in NFTA_SET_DESC_CONCAT attributes field lengths, and pass
range endpoints as two separate keys, represented by attributes
NFTA_SET_ELEM_KEY and NFTA_SET_ELEM_KEY_END.
While at it, export the number of 32-bit registers available for
packet matching, as nftables will need this to know the maximum
number of field lengths that can be specified.
For example, "packets with an IPv4 address between 192.0.2.0 and
192.0.2.42, with destination port between 22 and 25", can be
expressed as two concatenated elements:
NFTA_SET_ELEM_KEY: 192.0.2.0 . 22
NFTA_SET_ELEM_KEY_END: 192.0.2.42 . 25
and NFTA_SET_DESC_CONCAT attribute would contain:
NFTA_LIST_ELEM
NFTA_SET_FIELD_LEN: 4
NFTA_LIST_ELEM
NFTA_SET_FIELD_LEN: 2
v4: No changes
v3: Complete rework, NFTA_SET_DESC_CONCAT instead of NFTA_SET_SUBKEY
v2: No changes
Signed-off-by: Stefano Brivio <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
|
|
Add NFTA_SET_ELEM_KEY_END attribute to convey the closing element of the
interval between kernel and userspace.
This patch also adds the NFT_SET_EXT_KEY_END extension to store the
closing element value in this interval.
v4: No changes
v3: New patch
[sbrivio: refactor error paths and labels; add corresponding
nft_set_ext_type for new key; rebase]
Signed-off-by: Pablo Neira Ayuso <[email protected]>
|
|
Add helper function to parse the set element key netlink attribute.
v4: No changes
v3: New patch
[sbrivio: refactor error paths and labels; use NFT_DATA_VALUE_MAXLEN
instead of sizeof(*key) in helper, value can be longer than that;
rebase]
Signed-off-by: Pablo Neira Ayuso <[email protected]>
|
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The task which created the MID may be gone by the time cifsd attempts to
call the callbacks on MIDs from cifs_reconnect().
This leads to a use-after-free of the task struct in cifs_wake_up_task:
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x31a0/0x3270
Read of size 8 at addr ffff8880103e3a68 by task cifsd/630
CPU: 0 PID: 630 Comm: cifsd Not tainted 5.5.0-rc6+ #119
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
Call Trace:
dump_stack+0x8e/0xcb
print_address_description.constprop.5+0x1d3/0x3c0
? __lock_acquire+0x31a0/0x3270
__kasan_report+0x152/0x1aa
? __lock_acquire+0x31a0/0x3270
? __lock_acquire+0x31a0/0x3270
kasan_report+0xe/0x20
__lock_acquire+0x31a0/0x3270
? __wake_up_common+0x1dc/0x630
? _raw_spin_unlock_irqrestore+0x4c/0x60
? mark_held_locks+0xf0/0xf0
? _raw_spin_unlock_irqrestore+0x39/0x60
? __wake_up_common_lock+0xd5/0x130
? __wake_up_common+0x630/0x630
lock_acquire+0x13f/0x330
? try_to_wake_up+0xa3/0x19e0
_raw_spin_lock_irqsave+0x38/0x50
? try_to_wake_up+0xa3/0x19e0
try_to_wake_up+0xa3/0x19e0
? cifs_compound_callback+0x178/0x210
? set_cpus_allowed_ptr+0x10/0x10
cifs_reconnect+0xa1c/0x15d0
? generic_ip_connect+0x1860/0x1860
? rwlock_bug.part.0+0x90/0x90
cifs_readv_from_socket+0x479/0x690
cifs_read_from_socket+0x9d/0xe0
? cifs_readv_from_socket+0x690/0x690
? mempool_resize+0x690/0x690
? rwlock_bug.part.0+0x90/0x90
? memset+0x1f/0x40
? allocate_buffers+0xff/0x340
cifs_demultiplex_thread+0x388/0x2a50
? cifs_handle_standard+0x610/0x610
? rcu_read_lock_held_common+0x120/0x120
? mark_lock+0x11b/0xc00
? __lock_acquire+0x14ed/0x3270
? __kthread_parkme+0x78/0x100
? lockdep_hardirqs_on+0x3e8/0x560
? lock_downgrade+0x6a0/0x6a0
? lockdep_hardirqs_on+0x3e8/0x560
? _raw_spin_unlock_irqrestore+0x39/0x60
? cifs_handle_standard+0x610/0x610
kthread+0x2bb/0x3a0
? kthread_create_worker_on_cpu+0xc0/0xc0
ret_from_fork+0x3a/0x50
Allocated by task 649:
save_stack+0x19/0x70
__kasan_kmalloc.constprop.5+0xa6/0xf0
kmem_cache_alloc+0x107/0x320
copy_process+0x17bc/0x5370
_do_fork+0x103/0xbf0
__x64_sys_clone+0x168/0x1e0
do_syscall_64+0x9b/0xec0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 0:
save_stack+0x19/0x70
__kasan_slab_free+0x11d/0x160
kmem_cache_free+0xb5/0x3d0
rcu_core+0x52f/0x1230
__do_softirq+0x24d/0x962
The buggy address belongs to the object at ffff8880103e32c0
which belongs to the cache task_struct of size 6016
The buggy address is located 1960 bytes inside of
6016-byte region [ffff8880103e32c0, ffff8880103e4a40)
The buggy address belongs to the page:
page:ffffea000040f800 refcount:1 mapcount:0 mapping:ffff8880108da5c0
index:0xffff8880103e4c00 compound_mapcount: 0
raw: 4000000000010200 ffffea00001f2208 ffffea00001e3408 ffff8880108da5c0
raw: ffff8880103e4c00 0000000000050003 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8880103e3900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880103e3980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8880103e3a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880103e3a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880103e3b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
This can be reliably reproduced by adding the below delay to
cifs_reconnect(), running find(1) on the mount, restarting the samba
server while find is running, and killing find during the delay:
spin_unlock(&GlobalMid_Lock);
mutex_unlock(&server->srv_mutex);
+ msleep(10000);
+
cifs_dbg(FYI, "%s: issuing mid callbacks\n", __func__);
list_for_each_safe(tmp, tmp2, &retry_list) {
mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
Fix this by holding a reference to the task struct until the MID is
freed.
Signed-off-by: Vincent Whitchurch <[email protected]>
Signed-off-by: Steve French <[email protected]>
CC: Stable <[email protected]>
Reviewed-by: Paulo Alcantara (SUSE) <[email protected]>
Reviewed-by: Pavel Shilovsky <[email protected]>
|
|
PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR, just use
PTR_ERR_OR_ZERO directly.
Signed-off-by: Chen Zhou <[email protected]>
Signed-off-by: Steve French <[email protected]>
Reviewed-by: Paulo Alcantara (SUSE) <[email protected]>
|
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RHBZ 1336264
When we extend a file we must also force the size to be updated.
This fixes an issue with holetest in xfs-tests which performs the following
sequence :
1, create a new file
2, use fallocate mode==0 to populate the file
3, mmap the file
4, touch each page by reading the mmapped region.
Signed-off-by: Ronnie Sahlberg <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
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RHBZ: 1760879
Fix an oops in match_prepath() by making sure that the prepath string is not
NULL before we pass it into strcmp().
This is similar to other checks we make for example in cifs_root_iget()
Signed-off-by: Ronnie Sahlberg <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
When mounting with "modefromsid" mount parm most servers will require
that some default permissions are given to users in the ACL on newly
created files, files created with the new 'sd context' - when passing in
an sd context on create, permissions are not inherited from the parent
directory, so in addition to the ACE with the special SID which contains
the mode, we also must pass in an ACE allowing users to access the file
(GENERIC_ALL for authenticated users seemed like a reasonable default,
although later we could allow a mount option or config switch to make
it GENERIC_ALL for EVERYONE special sid).
CC: Stable <[email protected]>
Signed-off-by: Steve French <[email protected]>
Reviewed-By: Ronnie Sahlberg <[email protected]>
Reviewed-by: Pavel Shilovsky <[email protected]>
|
|
This is needed for backup/restore scenarios among others.
Add extended attribute "system.cifs_ntsd" (and alias "system.smb3_ntsd")
to allow for setting owner and DACL in the security descriptor. This is in
addition to the existing "system.cifs_acl" and "system.smb3_acl" attributes
that allow for setting DACL only. Add support for setting creation time and
dos attributes using set_file_info() calls to complement the existing
support for getting these attributes via query_path_info() calls.
Signed-off-by: Boris Protopopov <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
fs/cifs/smb2pdu.c: In function 'SMB2_query_directory':
fs/cifs/smb2pdu.c:4444:26: warning:
variable 'server' set but not used [-Wunused-but-set-variable]
struct TCP_Server_Info *server;
It is not used, so remove it.
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
__smb2_handle_cancelled_cmd() is called under a spin lock held in
cifs_mid_q_entry_release(), so make its memory allocation GFP_ATOMIC.
This issue was observed when running xfstests generic/028:
[ 1722.589204] CIFS VFS: \\192.168.30.26 Cancelling wait for mid 72064 cmd: 5
[ 1722.590687] CIFS VFS: \\192.168.30.26 Cancelling wait for mid 72065 cmd: 17
[ 1722.593529] CIFS VFS: \\192.168.30.26 Cancelling wait for mid 72066 cmd: 6
[ 1723.039014] BUG: sleeping function called from invalid context at mm/slab.h:565
[ 1723.040710] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 30877, name: cifsd
[ 1723.045098] CPU: 3 PID: 30877 Comm: cifsd Not tainted 5.5.0-rc4+ #313
[ 1723.046256] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba527-rebuilt.opensuse.org 04/01/2014
[ 1723.048221] Call Trace:
[ 1723.048689] dump_stack+0x97/0xe0
[ 1723.049268] ___might_sleep.cold+0xd1/0xe1
[ 1723.050069] kmem_cache_alloc_trace+0x204/0x2b0
[ 1723.051051] __smb2_handle_cancelled_cmd+0x40/0x140 [cifs]
[ 1723.052137] smb2_handle_cancelled_mid+0xf6/0x120 [cifs]
[ 1723.053247] cifs_mid_q_entry_release+0x44d/0x630 [cifs]
[ 1723.054351] ? cifs_reconnect+0x26a/0x1620 [cifs]
[ 1723.055325] cifs_demultiplex_thread+0xad4/0x14a0 [cifs]
[ 1723.056458] ? cifs_handle_standard+0x2c0/0x2c0 [cifs]
[ 1723.057365] ? kvm_sched_clock_read+0x14/0x30
[ 1723.058197] ? sched_clock+0x5/0x10
[ 1723.058838] ? sched_clock_cpu+0x18/0x110
[ 1723.059629] ? lockdep_hardirqs_on+0x17d/0x250
[ 1723.060456] kthread+0x1ab/0x200
[ 1723.061149] ? cifs_handle_standard+0x2c0/0x2c0 [cifs]
[ 1723.062078] ? kthread_create_on_node+0xd0/0xd0
[ 1723.062897] ret_from_fork+0x3a/0x50
Signed-off-by: Paulo Alcantara (SUSE) <[email protected]>
Fixes: 9150c3adbf24 ("CIFS: Close open handle after interrupted close")
Cc: Stable <[email protected]>
Signed-off-by: Steve French <[email protected]>
Reviewed-by: Pavel Shilovsky <[email protected]>
|
|
Starting from 4a367dc04435, we must set the mount options based on the
DFS full path rather than the resolved target, that is, cifs_mount()
will be responsible for resolving the DFS link (cached) as well as
performing failover to any other targets in the referral.
Signed-off-by: Paulo Alcantara (SUSE) <[email protected]>
Reported-by: Martijn de Gouw <[email protected]>
Fixes: 4a367dc04435 ("cifs: Add support for failover in cifs_mount()")
Link: https://lore.kernel.org/linux-cifs/[email protected]
Tested-by: Martijn de Gouw <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
patch
static analysis with Coverity detected an issue with the following
commit:
Author: Paulo Alcantara (SUSE) <[email protected]>
Date: Wed Dec 4 17:38:03 2019 -0300
cifs: Avoid doing network I/O while holding cache lock
Addresses-Coverity: ("Uninitialized pointer read")
Reported-by: Colin Ian King <[email protected]>
Signed-off-by: Paulo Alcantara (SUSE) <[email protected]>
Signed-off-by: Steve French <[email protected]>
|