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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Tue, 12 Jun 2018 15:03:09 -0700
Message-ID: <CA+55aFxCs+-6qNQoRLRx+-xzO_8dYXubK2B6LhuxObi7-ijbbw@mail.gmail.com>
Subject: Re: [PATCH 0/3] sched/swait: Convert to full exclusive mode
To:     Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        =?UTF-8?Q?Andreas_Gr=C3=BCnbacher?= <andreas.gruenbacher@gmail.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Oleg Nesterov <oleg@redhat.com>,
        Paul McKenney <paulmck@linux.vnet.ibm.com>,
        Paolo Bonzini <pbonzini@redhat.com>, quilt-dev@nongnu.org
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On Tue, Jun 12, 2018 at 2:54 PM Sebastian Andrzej Siewior
<bigeasy@linutronix.de> wrote:
>
> mutt sets this and the tip-bot, too. The difference is that quilt also
> sets the filename parameter. Do the mutt or tip-bot mails look flowed?

No, they look fine.

And yes, the difference looks to be that filename. Looking at the
tipbot emails, I see:

  Content-Transfer-Encoding: 8bit
  Content-Type: text/plain; charset=UTF-8
  Content-Disposition: inline

and the email looks perfectly normal.

So it's not Content-Disposition itself that triggers it, it is indeed
that *together* with filename information, so

  Content-Type: text/plain; charset=UTF-8
  Content-Disposition: inline; filename=peterz-swait-1.patch

makes gmail go "Oh, I want to help you download this thing", and makes
that "download attachment" widget, and makes the text itself act
flowed.

Yeah, that's just stupid of gmail.

I've sent feedback, but judging by my last attempt to get something
fixed (making the mobile application have a "Plain text" mode), I
expect to be laughed at by some coked-up QA person who thinks "flowed"
is obviously better.

                   Linus

                  Linus