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Date:   Wed, 19 Aug 2020 10:52:09 +0900
From:   Sergey Senozhatsky <>
To:     Petr Mladek <>
Cc:     Andy Shevchenko <>,
        Sergey Senozhatsky <>,
        Greg KH <>,
        Guenter Roeck <>,
        Tony Lindgren <>,
        Kurt Kanzenbach <>,
        Raul Rangel <>,
        Steven Rostedt <>,
        John Ogness <>,
        linux-kernel <>,
Subject: Re: [PATCH] uart:8250: change lock order in serial8250_do_startup()

On (20/08/18 14:52), Petr Mladek wrote:
> > I guess we may add some tags here
> > 
> > Fixes: 768aec0b5bcc ("serial: 8250: fix shared interrupts issues with SMP and RT kernels")
> > Reported-by: Guenter Roeck <>
> > Reported-by: Raul Rangel <>
> > BugLink:
> > Link:
> "Link:" tag should point to the mail that is applied using git am.
> I am not sure if there is a tag for related discussion in another
> mail threads.

Yes, that's a good point. I wonder if we can slightly change that
rule. That link points to a thread where we discussed various
approaches to the problem, what would work, what wouldn't and why;
there is some valuable feedback there. The "8250-fix-locks-v2.patch"
link, on the other hand, points to nothing valuable.

> Sounds reasonable to me.
> Andy proposed many changes. Sergey, could you please send v2?

Sure, I think I sent v2 already.


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