From: Dave Jiang <dave.jiang@intel.com>
To: Dan Williams <dan.j.williams@intel.com>, linux-cxl@vger.kernel.org
Cc: Fan Ni <fan.ni@samsung.com>,
vishal.l.verma@intel.com, dave.hansen@linux.intel.com,
linux-mm@kvack.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v2 15/20] dax/hmem: Move HMAT and Soft reservation probe initcall level
Date: Fri, 10 Feb 2023 14:57:42 -0700 [thread overview]
Message-ID: <368f047a-b722-504f-41de-41b3f10cdeb8@intel.com> (raw)
In-Reply-To: <448c17f6-cdfa-9422-c35e-cf95e1b99604@intel.com>
On 2/10/23 2:53 PM, Dave Jiang wrote:
>
>
> On 2/10/23 2:06 AM, Dan Williams wrote:
>> 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>
>> Link:
>> https://lore.kernel.org/r/167564542109.847146.10113972881782419363.stgit@dwillia2-xfh.jf.intel.com
>> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
>
>> ---
>> drivers/acpi/numa/hmat.c | 2 +-
>> drivers/dax/hmem/Makefile | 3 ++-
>> drivers/dax/hmem/device.c | 2 +-
>> 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 @@ static __init int hmat_init(void)
>> 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);
>>
next prev parent reply other threads:[~2023-02-10 21:57 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-10 9:05 [PATCH v2 00/20] CXL RAM and the 'Soft Reserved' => 'System RAM' default Dan Williams
2023-02-10 9:05 ` [PATCH v2 01/20] cxl/memdev: Fix endpoint port removal Dan Williams
2023-02-10 17:28 ` Jonathan Cameron
2023-02-10 21:14 ` Dan Williams
2023-02-10 23:17 ` Verma, Vishal L
2023-02-10 9:05 ` [PATCH v2 02/20] cxl/Documentation: Update references to attributes added in v6.0 Dan Williams
2023-02-10 9:05 ` [PATCH v2 03/20] cxl/region: Add a mode attribute for regions Dan Williams
2023-02-10 9:05 ` [PATCH v2 04/20] cxl/region: Support empty uuids for non-pmem regions Dan Williams
2023-02-10 17:30 ` Jonathan Cameron
2023-02-10 23:34 ` Ira Weiny
2023-02-10 9:05 ` [PATCH v2 05/20] cxl/region: Validate region mode vs decoder mode Dan Williams
2023-02-10 9:05 ` [PATCH v2 06/20] cxl/region: Add volatile region creation support Dan Williams
2023-02-10 9:06 ` [PATCH v2 07/20] cxl/region: Refactor attach_target() for autodiscovery Dan Williams
2023-02-10 9:06 ` [PATCH v2 08/20] cxl/region: Cleanup target list on attach error Dan Williams
2023-02-10 17:31 ` Jonathan Cameron
2023-02-10 23:17 ` Verma, Vishal L
2023-02-10 23:46 ` Ira Weiny
2023-02-10 9:06 ` [PATCH v2 09/20] cxl/region: Move region-position validation to a helper Dan Williams
2023-02-10 17:34 ` Jonathan Cameron
2023-02-10 9:06 ` [PATCH v2 10/20] kernel/range: Uplevel the cxl subsystem's range_contains() helper Dan Williams
2023-02-10 9:06 ` [PATCH v2 11/20] cxl/region: Enable CONFIG_CXL_REGION to be toggled Dan Williams
2023-02-10 9:06 ` [PATCH v2 12/20] cxl/port: Split endpoint and switch port probe Dan Williams
2023-02-10 17:41 ` Jonathan Cameron
2023-02-10 23:21 ` Verma, Vishal L
2023-02-10 9:06 ` [PATCH v2 13/20] cxl/region: Add region autodiscovery Dan Williams
2023-02-10 18:09 ` Jonathan Cameron
2023-02-10 21:35 ` Dan Williams
2023-02-14 13:23 ` Jonathan Cameron
2023-02-14 16:43 ` Dan Williams
2023-02-10 21:49 ` Dan Williams
2023-02-11 0:29 ` Verma, Vishal L
2023-02-11 1:03 ` Dan Williams
[not found] ` <CGME20230213192752uscas1p1c49508da4b100c9ba6a1a3aa92ca03e5@uscas1p1.samsung.com>
2023-02-13 19:27 ` Fan Ni
[not found] ` <CGME20230228185348uscas1p1a5314a077383ee81ac228c1b9f1da2f8@uscas1p1.samsung.com>
2023-02-28 18:53 ` Fan Ni
2023-02-10 9:06 ` [PATCH v2 14/20] tools/testing/cxl: Define a fixed volatile configuration to parse Dan Williams
2023-02-10 18:12 ` Jonathan Cameron
2023-02-10 18:36 ` Dave Jiang
2023-02-11 0:39 ` Verma, Vishal L
2023-02-10 9:06 ` [PATCH v2 15/20] dax/hmem: Move HMAT and Soft reservation probe initcall level Dan Williams
2023-02-10 21:53 ` Dave Jiang
2023-02-10 21:57 ` Dave Jiang [this message]
2023-02-11 0:40 ` Verma, Vishal L
2023-02-10 9:06 ` [PATCH v2 16/20] dax/hmem: Drop unnecessary dax_hmem_remove() Dan Williams
2023-02-10 21:59 ` Dave Jiang
2023-02-11 0:41 ` Verma, Vishal L
2023-02-10 9:07 ` [PATCH v2 17/20] dax/hmem: Convey the dax range via memregion_info() Dan Williams
2023-02-10 22:03 ` Dave Jiang
2023-02-11 4:25 ` Verma, Vishal L
2023-02-10 9:07 ` [PATCH v2 18/20] dax/hmem: Move hmem device registration to dax_hmem.ko Dan Williams
2023-02-10 18:25 ` Jonathan Cameron
2023-02-10 22:09 ` Dave Jiang
2023-02-11 4:41 ` Verma, Vishal L
2023-02-10 9:07 ` [PATCH v2 19/20] dax: Assign RAM regions to memory-hotplug by default Dan Williams
2023-02-10 22:19 ` Dave Jiang
2023-02-11 5:57 ` Verma, Vishal L
2023-02-10 9:07 ` [PATCH v2 20/20] cxl/dax: Create dax devices for CXL RAM regions Dan Williams
2023-02-10 18:38 ` Jonathan Cameron
2023-02-10 22:42 ` Dave Jiang
2023-02-10 17:53 ` [PATCH v2 00/20] CXL RAM and the 'Soft Reserved' => 'System RAM' default Dan Williams
2023-02-11 14:04 ` Gregory Price
2023-02-13 18:22 ` Gregory Price
2023-02-13 18:31 ` Gregory Price
[not found] ` <CGME20230222214151uscas1p26d53b2e198f63a1f382fe575c6c25070@uscas1p2.samsung.com>
2023-02-22 21:41 ` Fan Ni
2023-02-22 22:18 ` Dan Williams
2023-02-14 13:35 ` Jonathan Cameron
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