Messages in this thread Patch in this message | | | From | Oded Gabbay <> | Subject | [PATCH 2/3] habanalabs: fix backward compatibility of idle check | Date | Mon, 18 Jan 2021 20:52:16 +0200 |
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Need to take the lower 32 bits of the driver's 64-bit idle mask and put it in the legacy 32-bit variable that the userspace reads to know the idle mask.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org> --- drivers/misc/habanalabs/common/habanalabs_ioctl.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c index 12efbd9d2e3a..d25892d61ec9 100644 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c @@ -133,6 +133,8 @@ static int hw_idle(struct hl_device *hdev, struct hl_info_args *args) hw_idle.is_idle = hdev->asic_funcs->is_device_idle(hdev, &hw_idle.busy_engines_mask_ext, NULL); + hw_idle.busy_engines_mask = + lower_32_bits(hw_idle.busy_engines_mask_ext); return copy_to_user(out, &hw_idle, min((size_t) max_size, sizeof(hw_idle))) ? -EFAULT : 0; -- 2.25.1
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