From: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
To: catalin.marinas@arm.com, will@kernel.org, tglx@linutronix.de,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
x86@kernel.org, hpa@zytor.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: tarumizu.kohei@fujitsu.com
Subject: [PATCH v2 4/8] arm64: Add Kconfig/Makefile to build hardware prefetch control driver
Date: Fri, 11 Mar 2022 19:19:36 +0900 [thread overview]
Message-ID: <20220311101940.3403607-5-tarumizu.kohei@fujitsu.com> (raw)
In-Reply-To: <20220311101940.3403607-1-tarumizu.kohei@fujitsu.com>
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 | 7 +++++++
arch/arm64/kernel/Makefile | 1 +
3 files changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 213537cea2e2..7eb530f5b301 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8455,6 +8455,7 @@ 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 09b885cc4db5..da6bf7e75df6 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
@@ -2027,6 +2028,12 @@ 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
+ help
+ This adds Hardware Prefetch driver control 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
next prev parent reply other threads:[~2022-03-11 10:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-11 10:19 [PATCH v2 0/8] Add hardware prefetch control driver for arm64 and x86 Kohei Tarumizu
2022-03-11 10:19 ` [PATCH v2 1/8] drivers: base: Add hardware prefetch control core driver Kohei Tarumizu
2022-03-11 10:19 ` [PATCH v2 2/8] drivers: base: Add Kconfig/Makefile to build " Kohei Tarumizu
2022-03-11 10:19 ` [PATCH v2 3/8] arm64: Add hardware prefetch control support for ARM64 Kohei Tarumizu
2022-03-30 22:11 ` Rob Herring
2022-04-04 11:56 ` tarumizu.kohei
2022-03-11 10:19 ` Kohei Tarumizu [this message]
2022-03-11 10:19 ` [PATCH v2 5/8] arm64: Create cache sysfs directory without ACPI PPTT for hardware prefetch control Kohei Tarumizu
2022-03-30 22:14 ` Rob Herring
2022-04-04 11:48 ` tarumizu.kohei
2022-03-11 10:19 ` [PATCH v2 6/8] x86: Add hardware prefetch control support for x86 Kohei Tarumizu
2022-03-14 21:05 ` Dave Hansen
2022-03-18 6:41 ` tarumizu.kohei
2022-03-11 10:19 ` [PATCH v2 7/8] x86: Add Kconfig/Makefile to build hardware prefetch control driver Kohei Tarumizu
2022-03-11 10:19 ` [PATCH v2 8/8] docs: ABI: Add sysfs documentation interface of " Kohei Tarumizu
2022-03-14 16:39 ` Jonathan Cameron
2022-03-16 12:56 ` tarumizu.kohei
2022-03-14 19:19 ` [PATCH v2 0/8] Add hardware prefetch control driver for arm64 and x86 Dave Hansen
2022-03-18 6:34 ` tarumizu.kohei
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