summaryrefslogtreecommitdiffstats
path: root/drivers/misc
diff options
context:
space:
mode:
authorOded Gabbay <oded.gabbay@gmail.com>2020-09-23 22:51:03 +0200
committerOded Gabbay <oded.gabbay@gmail.com>2020-09-25 13:44:20 +0200
commit3c3aa5dbd65915abaa87d91330f4463c99d0df44 (patch)
tree3920ca16f0666c35dc14466c4439e37007cd6f80 /drivers/misc
parenthabanalabs: release kernel context after hw_fini (diff)
downloadlinux-3c3aa5dbd65915abaa87d91330f4463c99d0df44.tar.xz
linux-3c3aa5dbd65915abaa87d91330f4463c99d0df44.zip
habanalabs: add debug messages for opening/closing context
During debugging of error we sometimes need to know whether the error happened when a user context was open. Add debug prints when opening and closing user contexts. Reviewed-by: Tomer Tayar <ttayar@habana.ai> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/habanalabs/common/context.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/context.c b/drivers/misc/habanalabs/common/context.c
index df8171a2226c..bd03ef074eed 100644
--- a/drivers/misc/habanalabs/common/context.c
+++ b/drivers/misc/habanalabs/common/context.c
@@ -28,6 +28,8 @@ static void hl_ctx_fini(struct hl_ctx *ctx)
kfree(ctx->cs_pending);
if (ctx->asid != HL_KERNEL_ASID_ID) {
+ dev_dbg(hdev->dev, "closing user context %d\n", ctx->asid);
+
/* The engines are stopped as there is no executing CS, but the
* Coresight might be still working by accessing addresses
* related to the stopped engines. Hence stop it explicitly.
@@ -41,6 +43,7 @@ static void hl_ctx_fini(struct hl_ctx *ctx)
hl_vm_ctx_fini(ctx);
hl_asid_free(hdev, ctx->asid);
} else {
+ dev_dbg(hdev->dev, "closing kernel context\n");
hl_mmu_ctx_fini(ctx);
}
}
@@ -168,6 +171,8 @@ int hl_ctx_init(struct hl_device *hdev, struct hl_ctx *ctx, bool is_kernel_ctx)
dev_err(hdev->dev, "ctx_init failed\n");
goto err_cb_va_pool_fini;
}
+
+ dev_dbg(hdev->dev, "create user context %d\n", ctx->asid);
}
return 0;