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Subject[PATCH v4 09/13] arch/x86: Introduce new config parameter AMD_QOS
Introduces the new config parameter AMD_QOS. This parameter will be
used to enable cache and memory bandwidth allocation and monitoring
features on AMD processors. This will enable common config parameter
RESCTRL if selected.

Signed-off-by: Babu Moger <>
arch/x86/Kconfig | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 91a703ebdc04..9cd21e536b65 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -458,9 +458,24 @@ config INTEL_RDT

Say N if unsure.

+config AMD_QOS
+ bool "AMD Quality of Service support"
+ default n
+ depends on CPU_SUP_AMD
+ select KERNFS
+ help
+ Select to enable cache and memory bandwidth enforcement and monitoring
+ features of AMD processors. These features are intended to provide
+ support for the monitoring of the usage of certain system resources
+ by one or more processors and for the separate allocation and
+ enforcement of limits on the use of certain system resources by one or
+ more processors.
+ Say N if unsure.
config RESCTRL
def_bool y
- depends on X86 && INTEL_RDT
+ depends on X86 && (INTEL_RDT || AMD_QOS)

if X86_32
config X86_BIGSMP
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