linux-kernel - Re: [PATCH] tee: optee: add invoke

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Date:   Tue, 23 Feb 2021 09:19:36 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Jens Wiklander <jens.wiklander@...aro.org>
Cc:     Jisheng Zhang <Jisheng.Zhang@...aptics.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        op-tee@...ts.trustedfirmware.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] tee: optee: add invoke_fn tracepoints

On Tue, 23 Feb 2021 14:11:24 +0100
Jens Wiklander <jens.wiklander@...aro.org> wrote:

> I used the -strict option.
> 
> ./scripts/checkpatch.pl -strict 0001-tee-optee-add-invoke_fn-tracepoints.patch
> WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
> #44: 
> new file mode 100644

The above is just asking for someone to take maintainership of the new file.

> 
> CHECK: Alignment should match open parenthesis
> #68: FILE: drivers/tee/optee/optee_trace.h:20:
> +TRACE_EVENT(optee_invoke_fn_begin,
> +	TP_PROTO(struct optee_rpc_param *param),
> 
> CHECK: Lines should not end with a '('
> #71: FILE: drivers/tee/optee/optee_trace.h:23:
> +	TP_STRUCT__entry(
> 
> CHECK: Lines should not end with a '('
> #76: FILE: drivers/tee/optee/optee_trace.h:28:
> +	TP_fast_assign(
> 
> CHECK: Alignment should match open parenthesis
> #89: FILE: drivers/tee/optee/optee_trace.h:41:
> +TRACE_EVENT(optee_invoke_fn_end,
> +	TP_PROTO(struct optee_rpc_param *param, struct arm_smccc_res *res),
> 
> CHECK: Lines should not end with a '('
> #92: FILE: drivers/tee/optee/optee_trace.h:44:
> +	TP_STRUCT__entry(
> 
> CHECK: Lines should not end with a '('
> #97: FILE: drivers/tee/optee/optee_trace.h:49:
> +	TP_fast_assign(

The TRACE_EVENT() macro is "special", and checkpatch notoriously stumbles
over it. I usually recommend that people ignore the checkpatch warnings on
TRACE_EVENT() macros.

-- Steve


> 
> total: 0 errors, 1 warnings, 6 checks, 86 lines checked