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From: Dan Williams <dan.j.williams@intel.com>
To: mingo@redhat.com
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>, Keith Busch <kbusch@kernel.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	peterz@infradead.org, ard.biesheuvel@linaro.org, x86@kernel.org,
	linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-nvdimm@lists.01.org, linux-efi@vger.kernel.org
Subject: [PATCH v8 11/12] acpi/numa/hmat: Register HMAT at device_initcall level
Date: Wed, 06 Nov 2019 17:43:49 -0800
Message-ID: <157309102949.1579826.9612009592539745686.stgit@dwillia2-desk3.amr.corp.intel.com> (raw)
In-Reply-To: <157309097008.1579826.12818463304589384434.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 <kbusch@kernel.org>
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 8b0de8a3c647..00e0a270ece3 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);
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  parent reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-07  1:42 [PATCH v8 00/12] EFI Specific Purpose Memory Support Dan Williams
2019-11-07  1:42 ` [PATCH v8 01/12] acpi/numa: Establish a new drivers/acpi/numa/ directory Dan Williams
2019-11-07  1:43 ` [PATCH v8 02/12] efi: Enumerate EFI_MEMORY_SP Dan Williams
2019-11-07  1:43 ` [PATCH v8 03/12] x86/efi: Push EFI_MEMMAP check into leaf routines Dan Williams
2019-11-07  1:43 ` [PATCH v8 04/12] efi: Common enable/disable infrastructure for EFI soft reservation Dan Williams
2019-11-07  1:43 ` [PATCH v8 05/12] x86/efi: EFI soft reservation to E820 enumeration Dan Williams
2019-11-07  1:43 ` [PATCH v8 06/12] arm/efi: EFI soft reservation to memblock Dan Williams
2019-11-07  1:43 ` [PATCH v8 07/12] x86/efi: Add efi_fake_mem support for EFI_MEMORY_SP Dan Williams
2019-11-07  1:43 ` [PATCH v8 08/12] lib: Uplevel the pmem "region" ida to a global allocator Dan Williams
2019-11-07  1:43 ` [PATCH v8 09/12] dax: Fix alloc_dax_region() compile warning Dan Williams
2019-11-07  1:43 ` [PATCH v8 10/12] device-dax: Add a driver for "hmem" devices Dan Williams
2019-11-07  1:43 ` Dan Williams [this message]
2019-11-07  1:43 ` [PATCH v8 12/12] acpi/numa/hmat: Register "soft reserved" memory as an "hmem" device Dan Williams
2019-11-07 12:46 ` [PATCH v8 00/12] EFI Specific Purpose Memory Support Rafael J. Wysocki
2019-11-07 13:48   ` Thomas Gleixner
2019-11-07 14:12     ` Rafael J. Wysocki

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