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authorDan Williams <dan.j.williams@intel.com>2023-02-10 01:06:51 -0800
committerDan Williams <dan.j.williams@intel.com>2023-02-10 17:33:18 -0800
commitdf2798bc778acadcd87d7ff98a4db47197defc5f (patch)
tree6bd639c7a2f2d8d05529a3111458f7ad4bc49117
parent3d8f7ccaa611a743ae3a1e6f605346993d37c513 (diff)
dax/hmem: Move HMAT and Soft reservation probe initcall level
In preparation for moving more filtering of "hmem" ranges into the dax_hmem.ko module, update the initcall levels. HMAT range registration moves to subsys_initcall() to be done before Soft Reservation probing, and Soft Reservation probing is moved to device_initcall() to be done before dax_hmem.ko initialization if it is built-in. Tested-by: Fan Ni <fan.ni@samsung.com> Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/167602001107.1924368.11562316181038595611.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
-rw-r--r--drivers/acpi/numa/hmat.c2
-rw-r--r--drivers/dax/hmem/Makefile3
-rw-r--r--drivers/dax/hmem/device.c2
3 files changed, 4 insertions, 3 deletions
diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index 605a0c7053be..ff24282301ab 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -869,4 +869,4 @@ out_put:
acpi_put_table(tbl);
return 0;
}
-device_initcall(hmat_init);
+subsys_initcall(hmat_init);
diff --git a/drivers/dax/hmem/Makefile b/drivers/dax/hmem/Makefile
index 57377b4c3d47..d4c4cd6bccd7 100644
--- a/drivers/dax/hmem/Makefile
+++ b/drivers/dax/hmem/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_DEV_DAX_HMEM) += dax_hmem.o
+# device_hmem.o deliberately precedes dax_hmem.o for initcall ordering
obj-$(CONFIG_DEV_DAX_HMEM_DEVICES) += device_hmem.o
+obj-$(CONFIG_DEV_DAX_HMEM) += dax_hmem.o
device_hmem-y := device.o
dax_hmem-y := hmem.o
diff --git a/drivers/dax/hmem/device.c b/drivers/dax/hmem/device.c
index 903325aac991..20749c7fab81 100644
--- a/drivers/dax/hmem/device.c
+++ b/drivers/dax/hmem/device.c
@@ -104,4 +104,4 @@ static __init int hmem_init(void)
* As this is a fallback for address ranges unclaimed by the ACPI HMAT
* parsing it must be at an initcall level greater than hmat_init().
*/
-late_initcall(hmem_init);
+device_initcall(hmem_init);