linux-kernel - Re: [PATCH] tee: optee: fix build error caused by recent optee tracepoints feature

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Message-ID: <20210330082617.GA971075@jade>
Date:   Tue, 30 Mar 2021 10:26:17 +0200
From:   Jens Wiklander <jens.wiklander@...aro.org>
To:     Jisheng Zhang <Jisheng.Zhang@...aptics.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Heiko Thiery <heiko.thiery@...il.com>,
        op-tee@...ts.trustedfirmware.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tee: optee: fix build error caused by recent optee
 tracepoints feature

On Thu, Mar 25, 2021 at 12:06:01PM +0800, Jisheng Zhang wrote:
> If build kernel without "O=dir", below error will be seen:
> 
> In file included from drivers/tee/optee/optee_trace.h:67,
>                  from drivers/tee/optee/call.c:18:
> ./include/trace/define_trace.h:95:42: fatal error: ./optee_trace.h: No such file or directory
>    95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
>       |                                          ^
> compilation terminated.
> 
> Fix it by adding below line to Makefile:
> CFLAGS_call.o := -I$(src)
> 
> Tested with and without "O=dir", both can build successfully.
> 
> Reported-by: Guenter Roeck <linux@...ck-us.net>
> Suggested-by: Steven Rostedt <rostedt@...dmis.org>
> Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>

I've picked up this.

Thanks,
Jens