diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/obsolete/sysfs-firmware-acpi | 8 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-firmware-acpi | 10 | ||||
| -rw-r--r-- | Documentation/acpi/linuxized-acpica.txt | 10 |
3 files changed, 13 insertions, 15 deletions
diff --git a/Documentation/ABI/obsolete/sysfs-firmware-acpi b/Documentation/ABI/obsolete/sysfs-firmware-acpi new file mode 100644 index 000000000000..6715a71bec3d --- /dev/null +++ b/Documentation/ABI/obsolete/sysfs-firmware-acpi @@ -0,0 +1,8 @@ +What: /sys/firmware/acpi/hotplug/force_remove +Date: Mar 2017 +Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Description: + Since the force_remove is inherently broken and dangerous to + use for some hotplugable resources like memory (because ignoring + the offline failure might lead to memory corruption and crashes) + enabling this knob is not safe and thus unsupported. diff --git a/Documentation/ABI/testing/sysfs-firmware-acpi b/Documentation/ABI/testing/sysfs-firmware-acpi index c7fc72d4495c..613f42a9d5cd 100644 --- a/Documentation/ABI/testing/sysfs-firmware-acpi +++ b/Documentation/ABI/testing/sysfs-firmware-acpi @@ -44,16 +44,6 @@ Description: or 0 (unset). Attempts to write any other values to it will cause -EINVAL to be returned. -What: /sys/firmware/acpi/hotplug/force_remove -Date: May 2013 -Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com> -Description: - The number in this file (0 or 1) determines whether (1) or not - (0) the ACPI subsystem will allow devices to be hot-removed even - if they cannot be put offline gracefully (from the kernel's - viewpoint). That number can be changed by writing a boolean - value to this file. - What: /sys/firmware/acpi/interrupts/ Date: February 2008 Contact: Len Brown <lenb@kernel.org> diff --git a/Documentation/acpi/linuxized-acpica.txt b/Documentation/acpi/linuxized-acpica.txt index defe2eec5331..3ad7b0dfb083 100644 --- a/Documentation/acpi/linuxized-acpica.txt +++ b/Documentation/acpi/linuxized-acpica.txt @@ -24,7 +24,7 @@ upstream. The homepage of ACPICA project is: www.acpica.org, it is maintained and supported by Intel Corporation. - The following figure depicts the Linux ACPI subystem where the ACPICA + The following figure depicts the Linux ACPI subsystem where the ACPICA adaptation is included: +---------------------------------------------------------+ @@ -110,7 +110,7 @@ upstream. Linux patches. The patches generated by this process are referred to as "linuxized ACPICA patches". The release process is carried out on a local copy the ACPICA git repository. Each commit in the monthly release is - converted into a linuxized ACPICA patch. Together, they form the montly + converted into a linuxized ACPICA patch. Together, they form the monthly ACPICA release patchset for the Linux ACPI community. This process is illustrated in the following figure: @@ -165,7 +165,7 @@ upstream. <http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git>. Before the linuxized ACPICA patches are sent to the Linux ACPI community - for review, there is a quality ensurance build test process to reduce + for review, there is a quality assurance build test process to reduce porting issues. Currently this build process only takes care of the following kernel configuration options: CONFIG_ACPI/CONFIG_ACPI_DEBUG/CONFIG_ACPI_DEBUGGER @@ -195,12 +195,12 @@ upstream. release utilities (please refer to Section 4 below for the details). 3. Linux specific features - Sometimes it's impossible to use the current ACPICA APIs to implement features required by the Linux kernel, - so Linux developers occasionaly have to change ACPICA code directly. + so Linux developers occasionally have to change ACPICA code directly. Those changes may not be acceptable by ACPICA upstream and in such cases they are left as committed ACPICA divergences unless the ACPICA side can implement new mechanisms as replacements for them. 4. ACPICA release fixups - ACPICA only tests commits using a set of the - user space simulation utilies, thus the linuxized ACPICA patches may + user space simulation utilities, thus the linuxized ACPICA patches may break the Linux kernel, leaving us build/boot failures. In order to avoid breaking Linux bisection, fixes are applied directly to the linuxized ACPICA patches during the release process. When the release |