[PATCH] drm/amd: Check that a system is a NUMA system before looking for SRAT
Mario Limonciello
mario.limonciello at amd.com
Fri Jun 2 12:18:06 UTC 2023
It's pointless on laptops to look for the SRAT table as these are not
NUMA. Check the number of possible nodes is > 1 to decide whether to
look for SRAT.
Suggested-by: Felix Kuehling <Felix.Kuehling at amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index 950af6820153..3dcd8f8bc98e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -2041,7 +2041,8 @@ static int kfd_fill_gpu_direct_io_link_to_cpu(int *avail_size,
sub_type_hdr->proximity_domain_from = proximity_domain;
#ifdef CONFIG_ACPI_NUMA
- if (kdev->adev->pdev->dev.numa_node == NUMA_NO_NODE)
+ if (kdev->adev->pdev->dev.numa_node == NUMA_NO_NODE &&
+ num_possible_nodes() > 1)
kfd_find_numa_node_in_srat(kdev);
#endif
#ifdef CONFIG_NUMA
--
2.34.1
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