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Date:   Thu, 01 Jul 2021 12:35:29 -0700
From:   Joe Perches <joe@perches.com>
To:     Steven Rostedt <rostedt@goodmis.org>
Cc:     Paul Burton <paulburton@google.com>,
        Joel Fernandes <joelaf@google.com>,
        linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
        stable@vger.kernel.org
Subject: Re: [PATCH 1/2] tracing: Simplify & fix saved_tgids logic
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On 2021-07-01 11:26, Steven Rostedt wrote:
> [ Added Joe Perches ]
> 
> On Thu, 1 Jul 2021 11:12:54 -0700
> Paul Burton <paulburton@google.com> wrote:
> 
>> > not to mention, we don't
>> > use '//' comments in the kernel, so that would have to be changed.
>> 
>> D'oh! Apparently a year away from the kernel melted my internal style
>> checker. Interestingly though, checkpatch didn't complain about this 
>> as
>> I would have expected...
> 
> Joe, should the above be added to checkpatch?
> 
> I do understand that there are a few cases it's acceptable. Like for
> SPDX headers.

C99 comments are allowed since about 5 years ago.

And if you really want there's a checkpatch option to disable them.

https://lore.kernel.org/patchwork/patch/1031132/