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Merge tag 'v5.7-rc7' into devel

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Linux 5.7-rc7
This commit is contained in:
Linus Walleij
2020-05-27 16:15:52 +02:00
parent f8af9113b1 9cb1fd0efd
commit ce1d966a30
1633 changed files with 17399 additions and 9121 deletions
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13
Documentation/admin-guide/device-mapper/dm-integrity.rst
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@@ -182,12 +182,15 @@ fix_padding
space-efficient. If this option is not present, large padding is
used - that is for compatibility with older kernels.
allow_discards
Allow block discard requests (a.k.a. TRIM) for the integrity device.
Discards are only allowed to devices using internal hash.
The journal mode (D/J), buffer_sectors, journal_watermark, commit_time can
be changed when reloading the target (load an inactive table and swap the
tables with suspend and resume). The other arguments should not be changed
when reloading the target because the layout of disk data depend on them
and the reloaded target would be non-functional.
The journal mode (D/J), buffer_sectors, journal_watermark, commit_time and
allow_discards can be changed when reloading the target (load an inactive
table and swap the tables with suspend and resume). The other arguments
should not be changed when reloading the target because the layout of disk
data depend on them and the reloaded target would be non-functional.
The layout of the formatted block device:

3
Documentation/admin-guide/kernel-parameters.txt
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@@ -5187,8 +5187,7 @@
usbcore.old_scheme_first=
[USB] Start with the old device initialization
scheme, applies only to low and full-speed devices
(default 0 = off).
scheme (default 0 = off).
usbcore.usbfs_memory_mb=
[USB] Memory limit (in MB) for buffers allocated by

47
Documentation/admin-guide/sysctl/kernel.rst
View File

@@ -390,9 +390,17 @@ When ``kptr_restrict`` is set to 2, kernel pointers printed using
modprobe
========
This gives the full path of the modprobe command which the kernel will
use to load modules. This can be used to debug module loading
requests::
The full path to the usermode helper for autoloading kernel modules,
by default "/sbin/modprobe". This binary is executed when the kernel
requests a module. For example, if userspace passes an unknown
filesystem type to mount(), then the kernel will automatically request
the corresponding filesystem module by executing this usermode helper.
This usermode helper should insert the needed module into the kernel.
This sysctl only affects module autoloading. It has no effect on the
ability to explicitly insert modules.
This sysctl can be used to debug module loading requests::
echo '#! /bin/sh' > /tmp/modprobe
echo 'echo "$@" >> /tmp/modprobe.log' >> /tmp/modprobe
@@ -400,10 +408,15 @@ requests::
chmod a+x /tmp/modprobe
echo /tmp/modprobe > /proc/sys/kernel/modprobe
This only applies when the *kernel* is requesting that the module be
loaded; it won't have any effect if the module is being loaded
explicitly using ``modprobe`` from userspace.
Alternatively, if this sysctl is set to the empty string, then module
autoloading is completely disabled. The kernel will not try to
execute a usermode helper at all, nor will it call the
kernel_module_request LSM hook.
If CONFIG_STATIC_USERMODEHELPER=y is set in the kernel configuration,
then the configured static usermode helper overrides this sysctl,
except that the empty string is still accepted to completely disable
module autoloading as described above.
modules_disabled
================
@@ -446,28 +459,6 @@ Notes:
successful IPC object allocation. If an IPC object allocation syscall
fails, it is undefined if the value remains unmodified or is reset to -1.
modprobe:
=========
The path to the usermode helper for autoloading kernel modules, by
default "/sbin/modprobe". This binary is executed when the kernel
requests a module. For example, if userspace passes an unknown
filesystem type to mount(), then the kernel will automatically request
the corresponding filesystem module by executing this usermode helper.
This usermode helper should insert the needed module into the kernel.
This sysctl only affects module autoloading. It has no effect on the
ability to explicitly insert modules.
If this sysctl is set to the empty string, then module autoloading is
completely disabled. The kernel will not try to execute a usermode
helper at all, nor will it call the kernel_module_request LSM hook.
If CONFIG_STATIC_USERMODEHELPER=y is set in the kernel configuration,
then the configured static usermode helper overrides this sysctl,
except that the empty string is still accepted to completely disable
module autoloading as described above.
nmi_watchdog
============