diff options
Diffstat (limited to 'drivers/acpi/Kconfig')
| -rw-r--r-- | drivers/acpi/Kconfig | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 705331e3d87a..ba45541b1f1f 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -520,6 +520,28 @@ config ACPI_CONFIGFS userspace. The configurable ACPI groups will be visible under /config/acpi, assuming configfs is mounted under /config. +config ACPI_PFRUT + tristate "ACPI Platform Firmware Runtime Update and Telemetry" + depends on 64BIT + help + This mechanism allows certain pieces of the platform firmware + to be updated on the fly while the system is running (runtime) + without the need to restart it, which is key in the cases when + the system needs to be available 100% of the time and it cannot + afford the downtime related to restarting it, or when the work + carried out by the system is particularly important, so it cannot + be interrupted, and it is not practical to wait until it is complete. + + The existing firmware code can be modified (driver update) or + extended by adding new code to the firmware (code injection). + + Besides, the telemetry driver allows user space to fetch telemetry + data from the firmware with the help of the Platform Firmware Runtime + Telemetry interface. + + To compile the drivers as modules, choose M here: + the modules will be called pfr_update and pfr_telemetry. + if ARM64 source "drivers/acpi/arm64/Kconfig" |