From 2ca05cc7282f8c70bcac8ecdeb293ca7045d8b7f Mon Sep 17 00:00:00 2001 From: Oded Gabbay Date: Tue, 9 Feb 2021 14:47:02 +0800 Subject: [PATCH] habanalabs: fix backward compatibility of idle check stable inclusion from stable-5.10.14 commit 90981a2171b9fdb6d20046f7ce3d70f8c460e53e bugzilla: 48051 -------------------------------- [ Upstream commit f8abaf379bfe19600f96ae79a6759eb37039ae05 ] 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 Signed-off-by: Sasha Levin Signed-off-by: Zheng Zengkai Acked-by: Xie XiuQi --- 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 07317ea49129..35401148969f 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; -- GitLab