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Huang Ying authored
Patch series "resource: Fix region_intersects() vs add_memory_driver_managed()", v3. The patchset fixes a bug of region_intersects() for systems with CXL memory. The details of the bug can be found in [1/3]. To avoid similar bugs in the future. A kunit test case for region_intersects() is added in [3/3]. [2/3] is a preparation patch for [3/3]. This patch (of 3): region_intersects() is important because it's used for /dev/mem permission checking. To avoid possible bug of region_intersects() in the future, a kunit test case for region_intersects() is added. Link: https://lkml.kernel.org/r/20240906030713.204292-1-ying.huang@intel.com Link: https://lkml.kernel.org/r/20240906030713.204292-4-ying.huang@intel.comSigned-off-by: "Huang, Ying" <ying.huang@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Alison Schofield <alison.schofield@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Baoquan He <bhe@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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