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From: David Hildenbrand <david@redhat.com>
To: Dan Williams <dan.j.williams@intel.com>, akpm@linux-foundation.org
Cc: Vishal Verma <vishal.l.verma@intel.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Pavel Tatashin <pasha.tatashin@soleen.com>,
	Brice Goglin <Brice.Goglin@inria.fr>,
	Dave Jiang <dave.jiang@intel.com>,
	Ira Weiny <ira.weiny@intel.com>, Jia He <justin.he@arm.com>,
	Joao Martins <joao.m.martins@oracle.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linux-nvdimm@lists.01.org
Subject: Re: [PATCH v6 03/11] device-dax/kmem: move resource tracking to drvdata
Date: Tue, 6 Oct 2020 10:14:07 +0200	[thread overview]
Message-ID: <82beb6ec-b6c0-47ff-d02d-b823436ba08a@redhat.com> (raw)
In-Reply-To: <160196730203.2166475.10332959995680506711.stgit@dwillia2-desk3.amr.corp.intel.com>

On 06.10.20 08:55, Dan Williams wrote:
> Towards removing the mode specific @dax_kmem_res attribute from the
> generic 'struct dev_dax', and preparing for multi-range support, move
> resource tracking to driver data.  The memory for the resource name
> needs to have its own lifetime separate from the device bind lifetime
> for cases where the driver is unbound, but the kmem range could not be
> unplugged from the page allocator.
> 
> The resource reservation also needs to be released manually via
> release_resource() given the awkward manipulation of the
> IORESOURCE_BUSY flag.
> 
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Vishal Verma <vishal.l.verma@intel.com>
> Cc: Dave Hansen <dave.hansen@linux.intel.com>
> Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
> Cc: Brice Goglin <Brice.Goglin@inria.fr>
> Cc: Dave Jiang <dave.jiang@intel.com>
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Ira Weiny <ira.weiny@intel.com>
> Cc: Jia He <justin.he@arm.com>
> Cc: Joao Martins <joao.m.martins@oracle.com>
> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Reviewed-by: David Hildenbrand <david@redhat.com>

Thanks!


-- 
Thanks,

David / dhildenb



  reply	other threads:[~2020-10-06  8:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-06  6:54 [PATCH v6 00/11] device-dax: support sub-dividing soft-reserved ranges Dan Williams
2020-10-06  6:54 ` [PATCH v6 01/11] device-dax: make pgmap optional for instance creation Dan Williams
2020-10-06  6:54 ` [PATCH v6 02/11] device-dax/kmem: introduce dax_kmem_range() Dan Williams
2020-10-06  6:55 ` [PATCH v6 03/11] device-dax/kmem: move resource tracking to drvdata Dan Williams
2020-10-06  8:14   ` David Hildenbrand [this message]
2020-10-06  6:55 ` [PATCH v6 04/11] device-dax: add an allocation interface for device-dax instances Dan Williams
2020-10-06  6:55 ` [PATCH v6 05/11] device-dax: introduce 'struct dev_dax' typed-driver operations Dan Williams
2020-10-06  6:55 ` [PATCH v6 06/11] device-dax: introduce 'seed' devices Dan Williams
2020-10-06  6:55 ` [PATCH v6 07/11] drivers/base: make device_find_child_by_name() compatible with sysfs inputs Dan Williams
2020-10-06  6:55 ` [PATCH v6 08/11] device-dax: add resize support Dan Williams
2020-10-06  6:55 ` [PATCH v6 09/11] mm/memremap_pages: convert to 'struct range' Dan Williams
2020-10-08 19:52   ` boris.ostrovsky
2020-10-06  6:55 ` [PATCH v6 10/11] mm/memremap_pages: support multiple ranges per invocation Dan Williams
2020-10-06  6:55 ` [PATCH v6 11/11] device-dax: add dis-contiguous resource support Dan Williams

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