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From: Dan Williams <dan.j.williams@intel.com>
To: tglx@linutronix.de, rafael.j.wysocki@intel.com
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>, Keith Busch <keith.busch@intel.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	peterz@infradead.org, vishal.l.verma@intel.com,
	ard.biesheuvel@linaro.org, linux-kernel@vger.kernel.org,
	linux-efi@vger.kernel.org, x86@kernel.org
Subject: [PATCH v5 09/10] acpi/numa/hmat: Register HMAT at device_initcall level
Date: Thu, 29 Aug 2019 18:53:05 -0700
Message-ID: <156712998584.1616117.13919866316173530436.stgit@dwillia2-desk3.amr.corp.intel.com> (raw)
In-Reply-To: <156712993795.1616117.3781864460118989466.stgit@dwillia2-desk3.amr.corp.intel.com>

In preparation for registering device-dax instances for accessing EFI
specific-purpose memory, arrange for the HMAT registration to occur
later in the init process. Critically HMAT initialization needs to occur
after e820__reserve_resources_late() which is the point at which the
iomem resource tree is populated with "Application Reserved"
(IORES_DESC_APPLICATION_RESERVED). e820__reserve_resources_late()
happens at subsys_initcall time.

Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Len Brown <lenb@kernel.org>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/acpi/numa/hmat.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index 8f9a28a870b0..4707eb9dd07b 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -748,4 +748,4 @@ static __init int hmat_init(void)
 	acpi_put_table(tbl);
 	return 0;
 }
-subsys_initcall(hmat_init);
+device_initcall(hmat_init);


  parent reply index

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-30  1:52 [PATCH v5 00/10] EFI Specific Purpose Memory Support Dan Williams
2019-08-30  1:52 ` [PATCH v5 01/10] acpi/numa: Establish a new drivers/acpi/numa/ directory Dan Williams
2019-08-30  1:52 ` [PATCH v5 02/10] efi: Enumerate EFI_MEMORY_SP Dan Williams
2019-08-30  1:52 ` [PATCH v5 03/10] x86, efi: Push EFI_MEMMAP check into leaf routines Dan Williams
2019-09-13  9:05   ` Ard Biesheuvel
2019-09-13 12:32     ` Dan Williams
2019-08-30  1:52 ` [PATCH v5 04/10] x86, efi: Reserve UEFI 2.8 Specific Purpose Memory for dax Dan Williams
2019-09-13 12:59   ` Ard Biesheuvel
2019-09-13 16:22     ` Dan Williams
2019-09-13 16:28       ` Ard Biesheuvel
2019-09-13 16:39         ` Dan Williams
2019-09-13 17:39           ` Ard Biesheuvel
2019-09-13 17:54             ` Ard Biesheuvel
2019-08-30  1:52 ` [PATCH v5 05/10] x86, efi: Add efi_fake_mem support for EFI_MEMORY_SP Dan Williams
2019-09-10  6:48   ` Ingo Molnar
2019-09-13 13:02   ` Ard Biesheuvel
2019-09-13 15:02     ` Dan Williams
2019-09-13 19:48   ` Ard Biesheuvel
2019-09-13 20:43     ` Dan Williams
2019-08-30  1:52 ` [PATCH v5 06/10] lib: Uplevel the pmem "region" ida to a global allocator Dan Williams
2019-08-30  1:52 ` [PATCH v5 07/10] dax: Fix alloc_dax_region() compile warning Dan Williams
2019-08-30  1:53 ` [PATCH v5 08/10] device-dax: Add a driver for "hmem" devices Dan Williams
2019-08-30  1:53 ` Dan Williams [this message]
2019-08-30  1:53 ` [PATCH v5 10/10] acpi/numa/hmat: Register "soft reserved" memory as an "hmem" device Dan Williams
2019-09-02 11:09 ` [PATCH v5 00/10] EFI Specific Purpose Memory Support Rafael J. Wysocki
2019-09-04 23:06   ` Dan Williams
2019-09-06 11:37     ` Rafael J. Wysocki
2019-10-03 15:43       ` Jonathan Cameron

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