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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 2/8] drivers: base: Add Kconfig/Makefile to build hardware prefetch control core driver
Date: Fri, 11 Mar 2022 19:19:34 +0900	[thread overview]
Message-ID: <20220311101940.3403607-3-tarumizu.kohei@fujitsu.com> (raw)
In-Reply-To: <20220311101940.3403607-1-tarumizu.kohei@fujitsu.com>

This adds Kconfig/Makefile to build hardware prefetch control core
driver. This also adds a MAINTAINERS entry.

Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
---
 MAINTAINERS           |  6 ++++++
 drivers/base/Kconfig  | 13 +++++++++++++
 drivers/base/Makefile |  1 +
 3 files changed, 20 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 05fd080b82f3..213537cea2e2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8452,6 +8452,12 @@ F:	include/linux/hwmon*.h
 F:	include/trace/events/hwmon*.h
 K:	(devm_)?hwmon_device_(un)?register(|_with_groups|_with_info)
 
+HARDWARE PREFETCH CONTROL DRIVERS
+M:	Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
+S:	Maintained
+F:	drivers/base/pfctl.c
+F:	include/linux/pfctl.h
+
 HARDWARE RANDOM NUMBER GENERATOR CORE
 M:	Matt Mackall <mpm@selenic.com>
 M:	Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 6f04b831a5c0..d146604b5b3a 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -230,4 +230,17 @@ config GENERIC_ARCH_NUMA
 	  Enable support for generic NUMA implementation. Currently, RISC-V
 	  and ARM64 use it.
 
+config ARCH_HAS_HWPF_CONTROL
+	bool
+
+config HWPF_CONTROL
+	bool "Hardware Prefetch Control driver"
+	depends on ARCH_HAS_HWPF_CONTROL && SYSFS
+	help
+	  This driver allows user to control CPU's Hardware Prefetch behavior.
+	  If the machine supports this behavior, it provides a sysfs interface.
+
+	  See Documentation/ABI/testing/sysfs-devices-system-cpu for more
+	  information.
+
 endmenu
diff --git a/drivers/base/Makefile b/drivers/base/Makefile
index 02f7f1358e86..13f3a0ddf3d1 100644
--- a/drivers/base/Makefile
+++ b/drivers/base/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_DEV_COREDUMP) += devcoredump.o
 obj-$(CONFIG_GENERIC_MSI_IRQ_DOMAIN) += platform-msi.o
 obj-$(CONFIG_GENERIC_ARCH_TOPOLOGY) += arch_topology.o
 obj-$(CONFIG_GENERIC_ARCH_NUMA) += arch_numa.o
+obj-$(CONFIG_HWPF_CONTROL)	+= pfctl.o
 
 obj-y			+= test/
 
-- 
2.27.0


  parent reply	other threads:[~2022-03-11 10:22 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 ` Kohei Tarumizu [this message]
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 ` [PATCH v2 4/8] arm64: Add Kconfig/Makefile to build hardware prefetch control driver Kohei Tarumizu
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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