Re: [PATCH] RDMA/hns: fix trace TRACE_INCLUDE_PATH

[Junxian Huang <huangjunxian6@hisilicon.com>]

On 2025/5/7 11:04, Huiwen He wrote:
> TRACE_INCLUDE_PATH should be a path relative to define_trace.h, not the
> file including it. (See the comment in include/trace/define_trace.h.)
> 
> Fixes build error found with CONFIG_INFINIBAND_HNS_HIP08=m:
>   CC [M]  drivers/infiniband/hw/hns/hns_roce_hw_v2.o
> In file included from drivers/infiniband/hw/hns/hns_roce_trace.h:213,
>                  from drivers/infiniband/hw/hns/hns_roce_hw_v2.c:53:
> ./include/trace/define_trace.h:110:42: fatal error: ./hns_roce_trace.h: No such file or directory
>   110 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
> 
> Signed-off-by: Huiwen He <hehuiwen@kylinos.cn>
> ---
>  drivers/infiniband/hw/hns/hns_roce_trace.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/infiniband/hw/hns/hns_roce_trace.h b/drivers/infiniband/hw/hns/hns_roce_trace.h
> index 23cbdbaeffaa..19bd3c0eec47 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_trace.h
> +++ b/drivers/infiniband/hw/hns/hns_roce_trace.h
> @@ -209,5 +209,5 @@ DEFINE_EVENT(cmdq, hns_cmdq_resp,
>  #undef TRACE_INCLUDE_FILE
>  #define TRACE_INCLUDE_FILE hns_roce_trace
>  #undef TRACE_INCLUDE_PATH
> -#define TRACE_INCLUDE_PATH .
> +#define TRACE_INCLUDE_PATH ../../drivers/infiniband/hw/hns
>  #include <trace/define_trace.h>

We've found this bug and decided to fix it by modifying Makefile, please see:
https://lore.kernel.org/linux-next/b7dd4dda-37d8-47e4-8d78-b6585be21cfd@paulmck-laptop/T/#t

Thanks anyway!

Junxian