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Message-ID: <20190625155956.00002dc4@huawei.com>
Date: Tue, 25 Jun 2019 15:59:56 +0100
From: Jonathan Cameron <jonathan.cameron@...wei.com>
To: Dan Williams <dan.j.williams@...el.com>
CC: <x86@...nel.org>, Len Brown <lenb@...nel.org>,
Keith Busch <keith.busch@...el.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
"Dave Hansen" <dave.hansen@...ux.intel.com>,
<peterz@...radead.org>, <vishal.l.verma@...el.com>,
<ard.biesheuvel@...aro.org>, <tglx@...utronix.de>,
<linux-acpi@...r.kernel.org>, <linux-nvdimm@...ts.01.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 01/10] acpi/numa: Establish a new drivers/acpi/numa/
directory
On Mon, 24 Jun 2019 11:19:32 -0700
Dan Williams <dan.j.williams@...el.com> wrote:
> 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.
Hi Dan,
srat.c now includes processing for the slit table which is a bit odd.
Now we could split this up in to a top level numa.c and then
srat.c, slit.c and hmat.c....
Does feel rather silly though. Perhaps better to just leave it as
numa.c?
I don't really feel strongly about this though.
Jonathan
>
> Cc: Len Brown <lenb@...nel.org>
> Cc: Keith Busch <keith.busch@...el.com>
> Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
> Reviewed-by: Dave Hansen <dave.hansen@...ux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@...el.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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