linux-kernel - Re: [GIT PULL] tracing: Updates for 5.2

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Message-ID: <CAHk-=wjbVZcZXkq5xOnBk3ibXorEYKdmRG5YFzzV-Rw3Q-VUEA@mail.gmail.com>
Date:   Wed, 15 May 2019 16:31:34 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] tracing: Updates for 5.2

On Wed, May 15, 2019 at 4:29 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> One option is to just rewrite it something like
>
>         const unsigned int offset = offsetof(struct trace_iterator, seq);
>         memset(offset+(void *)&iter, 0, sizeof(iter) - offset);

Side note: make it a well-named helper function, since
"ftrace_dump_buf()" does this too in kernel/trace/trace_kdb.c, and
gets the exact same warning.

              Linus