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Subject[PATCH v4 01/10] acpi/numa: Establish a new drivers/acpi/numa/ directory
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Currently hmat.c lives under an "hmat" directory which does not enhance
the description of the file. The initial motivation for giving hmat.c
its own directory was to delineate it as mm functionality in contrast to
ACPI device driver functionality.

As ACPI continues to play an increasing role in conveying
memory location and performance topology information to the OS take the
opportunity to co-locate these NUMA relevant tables in a combined
directory.

numa.c is renamed to srat.c and moved to drivers/acpi/numa/ along with
hmat.c.

Cc: Len Brown <lenb@kernel.org>
Cc: Keith Busch <keith.busch@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
drivers/acpi/Kconfig | 9 +--------
drivers/acpi/Makefile | 3 +--
drivers/acpi/hmat/Makefile | 2 --
drivers/acpi/numa/Kconfig | 7 ++++++-
drivers/acpi/numa/Makefile | 3 +++
drivers/acpi/numa/hmat.c | 0
drivers/acpi/numa/srat.c | 0
7 files changed, 11 insertions(+), 13 deletions(-)
delete mode 100644 drivers/acpi/hmat/Makefile
rename drivers/acpi/{hmat/Kconfig => numa/Kconfig} (72%)
create mode 100644 drivers/acpi/numa/Makefile
rename drivers/acpi/{hmat/hmat.c => numa/hmat.c} (100%)
rename drivers/acpi/{numa.c => numa/srat.c} (100%)

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 283ee94224c6..82c4a31c8701 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -321,12 +321,6 @@ config ACPI_THERMAL
To compile this driver as a module, choose M here:
the module will be called thermal.

-config ACPI_NUMA
- bool "NUMA support"
- depends on NUMA
- depends on (X86 || IA64 || ARM64)
- default y if IA64_GENERIC || IA64_SGI_SN2 || ARM64
-
config ACPI_CUSTOM_DSDT_FILE
string "Custom DSDT Table file to include"
default ""
@@ -475,8 +469,7 @@ config ACPI_REDUCED_HARDWARE_ONLY
If you are unsure what to do, do not enable this option.

source "drivers/acpi/nfit/Kconfig"
-source "drivers/acpi/hmat/Kconfig"
-
+source "drivers/acpi/numa/Kconfig"
source "drivers/acpi/apei/Kconfig"
source "drivers/acpi/dptf/Kconfig"

diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 5d361e4e3405..f08a661274e8 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -55,7 +55,6 @@ acpi-$(CONFIG_X86) += acpi_cmos_rtc.o
acpi-$(CONFIG_X86) += x86/apple.o
acpi-$(CONFIG_X86) += x86/utils.o
acpi-$(CONFIG_DEBUG_FS) += debugfs.o
-acpi-$(CONFIG_ACPI_NUMA) += numa.o
acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o
acpi-y += acpi_lpat.o
acpi-$(CONFIG_ACPI_LPIT) += acpi_lpit.o
@@ -80,7 +79,7 @@ obj-$(CONFIG_ACPI_PROCESSOR) += processor.o
obj-$(CONFIG_ACPI) += container.o
obj-$(CONFIG_ACPI_THERMAL) += thermal.o
obj-$(CONFIG_ACPI_NFIT) += nfit/
-obj-$(CONFIG_ACPI_HMAT) += hmat/
+obj-$(CONFIG_ACPI_NUMA) += numa/
obj-$(CONFIG_ACPI) += acpi_memhotplug.o
obj-$(CONFIG_ACPI_HOTPLUG_IOAPIC) += ioapic.o
obj-$(CONFIG_ACPI_BATTERY) += battery.o
diff --git a/drivers/acpi/hmat/Makefile b/drivers/acpi/hmat/Makefile
deleted file mode 100644
index 1c20ef36a385..000000000000
--- a/drivers/acpi/hmat/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_ACPI_HMAT) := hmat.o
diff --git a/drivers/acpi/hmat/Kconfig b/drivers/acpi/numa/Kconfig
similarity index 72%
rename from drivers/acpi/hmat/Kconfig
rename to drivers/acpi/numa/Kconfig
index 95a29964dbea..d14582387ed0 100644
--- a/drivers/acpi/hmat/Kconfig
+++ b/drivers/acpi/numa/Kconfig
@@ -1,4 +1,9 @@
-# SPDX-License-Identifier: GPL-2.0
+config ACPI_NUMA
+ bool "NUMA support"
+ depends on NUMA
+ depends on (X86 || IA64 || ARM64)
+ default y if IA64_GENERIC || IA64_SGI_SN2 || ARM64
+
config ACPI_HMAT
bool "ACPI Heterogeneous Memory Attribute Table Support"
depends on ACPI_NUMA
diff --git a/drivers/acpi/numa/Makefile b/drivers/acpi/numa/Makefile
new file mode 100644
index 000000000000..517a6c689a94
--- /dev/null
+++ b/drivers/acpi/numa/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_ACPI_NUMA) += srat.o
+obj-$(CONFIG_ACPI_HMAT) += hmat.o
diff --git a/drivers/acpi/hmat/hmat.c b/drivers/acpi/numa/hmat.c
similarity index 100%
rename from drivers/acpi/hmat/hmat.c
rename to drivers/acpi/numa/hmat.c
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa/srat.c
similarity index 100%
rename from drivers/acpi/numa.c
rename to drivers/acpi/numa/srat.c
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