Thread (7 messages) 7 messages, 4 authors, 2016-11-07

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

From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2016-11-07 15:42:42
Also in: linux-renesas-soc

Hi Simon,

On Mon, Nov 7, 2016 at 4:40 PM, Simon Horman [off-list ref] wrote:
On Mon, Nov 07, 2016 at 04:20:56PM +0100, Geert Uytterhoeven wrote:
quoted
On Mon, Nov 7, 2016 at 4:14 PM, Simon Horman [off-list ref] wrote:
quoted
From: Takatoshi Akiyama <redacted>

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 <redacted>
Signed-off-by: Takeshi Kihara <redacted>
Signed-off-by: Simon Horman <redacted>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,
Thanks. Will you pass this on to Greg or should I do so?
Feel free to pass to Greg (doesn't he use patchwork on linux-serial?).
Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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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