From: James Morse james.morse@arm.com
maillist inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8T2RT
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/log/?h=mpam/...
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Enough MPAM support is present to enable ARCH_HAS_CPU_RESCTRL. Let it rip^Wlink!
Signed-off-by: James Morse james.morse@arm.com Signed-off-by: Zeng Heng zengheng4@huawei.com --- arch/arm64/Kconfig | 3 ++- arch/arm64/include/asm/resctrl.h | 1 + drivers/platform/mpam/Kconfig | 4 +++- 3 files changed, 6 insertions(+), 2 deletions(-) create mode 100644 arch/arm64/include/asm/resctrl.h
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 859af883fa00..2e24594fdc53 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -2059,7 +2059,8 @@ config ARM64_TLB_RANGE config ARM64_MPAM bool "Enable support for MPAM" select ACPI_MPAM if ACPI - select ARM_CPU_RESCTRL + select ARCH_HAS_CPU_RESCTRL + select RESCTRL_FS help Memory Partitioning and Monitoring is an optional extension that allows the CPUs to mark load and store transactions with diff --git a/arch/arm64/include/asm/resctrl.h b/arch/arm64/include/asm/resctrl.h new file mode 100644 index 000000000000..bf33f82f04e2 --- /dev/null +++ b/arch/arm64/include/asm/resctrl.h @@ -0,0 +1 @@ +#include <linux/arm_mpam.h> diff --git a/drivers/platform/mpam/Kconfig b/drivers/platform/mpam/Kconfig index 13bd86fc5e58..75f5b2454fbe 100644 --- a/drivers/platform/mpam/Kconfig +++ b/drivers/platform/mpam/Kconfig @@ -2,5 +2,7 @@ # CPU resources, not containers or cgroups etc. config ARM_CPU_RESCTRL bool - depends on ARM64 + default y + depends on ARM64 && ARCH_HAS_CPU_RESCTRL + depends on MISC_FILESYSTEMS select RESCTRL_RMID_DEPENDS_ON_CLOSID