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tools/testing/cxl: Move cxl_test resources to the top of memory

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A recent QEMU upgrade resulted in collisions between QEMU's chosen
location for PCI MMIO and cxl_test's fake address location for emulated
CXL purposes. This was great for testing resource collisions, but not so
great for continuing to test the nominal cases. Move cxl_test to the
top-of-memory where it is less likely to collide with other resources.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/165603886021.551046.12395967874222763381.stgit@dwillia2-xfh
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2022-06-22 18:02:37 -07:00
parent cc2a487870
commit b2f3b74e10
1 changed files with 2 additions and 1 deletions
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3
tools/testing/cxl/test/cxl.c
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@ -619,7 +619,8 @@ static __init int cxl_test_init(void)
goto err_gen_pool_create;
}
rc = gen_pool_add(cxl_mock_pool, SZ_512G, SZ_64G, NUMA_NO_NODE);
rc = gen_pool_add(cxl_mock_pool, iomem_resource.end + 1 - SZ_64G,
SZ_64G, NUMA_NO_NODE);
if (rc)
goto err_gen_pool_add;