• Huang Ying's avatar
    resource, kunit: add test case for region_intersects() · 99185c10
    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: default avatar"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: default avatarAndrew Morton <akpm@linux-foundation.org>
    99185c10
resource_kunit.c 9.94 KB