Re: [PATCH/RFC] serial: sh-sci: Fix deadlock caused by serial output request

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On Mon, Nov 7, 2016 at 4:14 PM, Simon Horman <horms+renesas@xxxxxxxxxxxx> wrote:
> From: Takatoshi Akiyama <takatoshi.akiyama.kj@xxxxxxxxxxxxxxxxxxxxxxxx>
>
> While spin is already locked, serial output request causes the deadlock,
> because serial output process also tries to lock the spin.
> This patch removes serial output with spin locked.
>
> Signed-off-by: Takatoshi Akiyama <takatoshi.akiyama.kj@xxxxxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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