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authorDani Liberman <dliberman@habana.ai>2022-10-19 20:24:55 +0300
committerOded Gabbay <ogabbay@kernel.org>2022-11-23 17:13:43 +0300
commit6bcb2d05a59b3534821a194f8642808ae56f2d10 (patch)
tree64762b94dd3697286e40d5951145b128b4324edc /drivers/misc
parent5ad06bb1d2c073c8b071016226fb9ebe2163e660 (diff)
downloadlinux-6bcb2d05a59b3534821a194f8642808ae56f2d10.tar.xz
habanalabs: fix user mappings calculation in case of page fault
As there are 2 types of user mappings, pmmu and hmmu, calculate only the relevant mappings for the requested type. Signed-off-by: Dani Liberman <dliberman@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/habanalabs/common/device.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index 0026fe42b3d2..0e88396744a1 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/drivers/misc/habanalabs/common/device.c
@@ -2305,8 +2305,13 @@ static void hl_capture_user_mappings(struct hl_device *hdev, bool is_pmmu)
}
mutex_lock(&ctx->mem_hash_lock);
- hash_for_each(ctx->mem_hash, i, hnode, node)
- pgf_info->num_of_user_mappings++;
+ hash_for_each(ctx->mem_hash, i, hnode, node) {
+ vm_type = hnode->ptr;
+ if (((*vm_type == VM_TYPE_USERPTR) && is_pmmu) ||
+ ((*vm_type == VM_TYPE_PHYS_PACK) && !is_pmmu))
+ pgf_info->num_of_user_mappings++;
+
+ }
if (!pgf_info->num_of_user_mappings)
goto finish;