Dan Williams 95d714d8ad devdax: Fix soft-reservation memory description ... commit 67feaba413 upstream. The "hmem" platform-devices that are created to represent the platform-advertised "Soft Reserved" memory ranges end up inserting a resource that causes the iomem_resource tree to look like this: 340000000-43fffffff : hmem.0 340000000-43fffffff : Soft Reserved 340000000-43fffffff : dax0.0 This is because insert_resource() reparents ranges when they completely intersect an existing range. This matters because code that uses region_intersects() to scan for a given IORES_DESC will only check that top-level 'hmem.0' resource and not the 'Soft Reserved' descendant. So, to support EINJ (via einj_error_inject()) to inject errors into memory hosted by a dax-device, be sure to describe the memory as IORES_DESC_SOFT_RESERVED. This is a follow-on to: commit b13a3e5fd4 ("ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP") ...that fixed EINJ support for "Soft Reserved" ranges in the first instance. Fixes: 262b45ae3a ("x86/efi: EFI soft reservation to E820 enumeration") Reported-by: Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com> Tested-by: Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com> Cc: <stable@vger.kernel.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Omar Avelar <omar.avelar@intel.com> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Mark Gross <markgross@kernel.org> Link: https://lore.kernel.org/r/166397075670.389916.7435722208896316387.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-09-28 11:11:57 +02:00
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hmem	devdax: Fix soft-reservation memory description	2022-09-28 11:11:57 +02:00
pmem	libnvdimm: Make remove callback return void	2021-02-16 19:35:29 -08:00
bus.c	bus: Make remove callback return void	2021-07-21 11:53:42 +02:00
bus.h	dax-device: Make remove callback return void	2021-02-16 19:45:13 -08:00
dax-private.h	device-dax: add an 'align' attribute	2020-10-13 18:38:28 -07:00
device.c	fs: remove noop_set_page_dirty()	2021-06-29 10:53:48 -07:00
Kconfig	mm: fix phys_to_target_node() and memory_add_physaddr_to_nid() exports	2020-11-22 10:48:22 -08:00
kmem.c	dax/kmem: use a single static memory group for a single probed unit	2021-09-08 11:50:23 -07:00
Makefile	ACPI: HMAT: refactor hmat_register_target_device to hmem_register_device	2020-10-13 18:38:27 -07:00
super.c	dax: make sure inodes are flushed before destroy cache	2022-04-08 14:23:31 +02:00