Messages in this thread Patch in this message | | | From | Kohei Tarumizu <> | Subject | [PATCH 4/8] arm64: Add Kconfig/Makefile to build hardware prefetch control driver | Date | Tue, 25 Jan 2022 16:14:10 +0900 |
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This adds Kconfig/Makefile to build hardware prefetch control driver for arm64 support. This also adds a MAINTAINERS entry.
Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com> --- MAINTAINERS | 1 + arch/arm64/Kconfig | 8 ++++++++ arch/arm64/kernel/Makefile | 1 + 3 files changed, 10 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS index b474051c41e7..0eaee76438e9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8447,6 +8447,7 @@ K: (devm_)?hwmon_device_(un)?register(|_with_groups|_with_info) HARDWARE PREFETCH CONTROL DRIVERS M: Kohei Tarumizu <tarumizu.kohei@fujitsu.com> S: Maintained +F: arch/arm64/kernel/pfctl.c F: drivers/base/pfctl.c F: include/linux/pfctl.h diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 6978140edfa4..c2256dbb0243 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -36,6 +36,7 @@ config ARM64 select ARCH_HAS_SET_DIRECT_MAP select ARCH_HAS_SET_MEMORY select ARCH_STACKWALK + select ARCH_HAS_HWPF_CONTROL select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_SYNC_DMA_FOR_DEVICE @@ -1941,6 +1942,13 @@ config STACKPROTECTOR_PER_TASK def_bool y depends on STACKPROTECTOR && CC_HAVE_STACKPROTECTOR_SYSREG +config ARM64_HWPF_CONTROL + tristate "ARM64 Hardware Prefetch Control support" + depends on HWPF_CONTROL + default m + help + This adds Hardware Prefetch Control driver support for ARM64. + endmenu menu "Boot options" diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 88b3e2a21408..d5eb1dc6bfa6 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -73,6 +73,7 @@ obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o obj-$(CONFIG_ARM64_MTE) += mte.o obj-y += vdso-wrap.o obj-$(CONFIG_COMPAT_VDSO) += vdso32-wrap.o +obj-$(CONFIG_ARM64_HWPF_CONTROL) += pfctl.o obj-y += probes/ head-y := head.o -- 2.27.0
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