Re: [PATCH v3 7/8] acpi: PoC of Cache control via ACPI0019 and _DSM
From: Randy Dunlap <hidden>
Date: 2025-08-20 17:07:17
Also in:
linux-acpi, linux-arch, linux-cxl, linux-mm
Hi, On 8/20/25 3:29 AM, Jonathan Cameron wrote:
quoted hunk ↗ jump to hunk
diff --git a/drivers/cache/Kconfig b/drivers/cache/Kconfig index 4551b28e14dd..158d3819004e 100644 --- a/drivers/cache/Kconfig +++ b/drivers/cache/Kconfig@@ -3,6 +3,13 @@ menu "Cache Drivers" if GENERIC_CPU_CACHE_MAINTENANCE +config ACPI_CACHE_CONTROL + tristate "ACPI cache maintenance" + depends on ARM64 && ACPI + help
If there is a v4, please use one tab to indent the 3 lines above.
+ ACPI0019 device ID in DSDT identifies an interface that may be used
and tab + 2 spaces to indent the 1 line above.
+ to carry out certain forms of cache flush operation.
-- ~Randy