From b2f3b74e1072ab7c03833f265bdb26dafa92e078 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Wed, 22 Jun 2022 18:02:37 -0700 Subject: [PATCH] tools/testing/cxl: Move cxl_test resources to the top of memory 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 Link: https://lore.kernel.org/r/165603886021.551046.12395967874222763381.stgit@dwillia2-xfh Signed-off-by: Dan Williams --- tools/testing/cxl/test/cxl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c index 7a08b025f2dec..27dba24b5c99e 100644 --- a/tools/testing/cxl/test/cxl.c +++ b/tools/testing/cxl/test/cxl.c @@ -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; -- 2.30.2