From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Tony Lindgren <tony@atomide.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>,
linux-serial@vger.kernel.org,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: Re: [PATCH v2 0/8] serial: Disable DMA and PM on kernel console
Date: Mon, 17 Feb 2020 12:05:23 +0200 [thread overview]
Message-ID: <20200217100523.GY10400@smile.fi.intel.com> (raw)
In-Reply-To: <20200214214128.GW16391@atomide.com>
On Fri, Feb 14, 2020 at 01:41:28PM -0800, Tony Lindgren wrote:
> * Greg Kroah-Hartman <gregkh@linuxfoundation.org> [200214 20:03]:
> > On Fri, Feb 14, 2020 at 01:43:31PM +0200, Andy Shevchenko wrote:
> > > This is second attempt [1] to get rid of problematic DMA and PM calls
> > > in the serial kernel console code.
> > >
> > > Kernel console is sensitive to any kind of complex work needed to print
> > > out anything on it. One such case is emergency print during Oops.
> > >
> > > Patches 1-3 are preparatory ones.
> >
> > I've applied these first 3, as they are "obvious" :)
> >
> > I'll let others weigh in on the other patches here, as I'd like to see
> > if Tony and others feel it solves their issues or not.
>
> Yes with the pm_runtime_get_sync/pm_runtime_put_sync change for
> patch 5/8 things work nicely for me. But as it looks like there will
> be another revision of the patches so I'll wait for that before
> acking.
I will send a new version soon. Thanks for testing!
I hope to see Tested-by tags as well ;)
--
With Best Regards,
Andy Shevchenko
prev parent reply other threads:[~2020-02-17 10:05 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-14 11:43 [PATCH v2 0/8] serial: Disable DMA and PM on kernel console Andy Shevchenko
2020-02-14 11:43 ` [PATCH v2 1/8] serial: core: Introduce uart_console_enabled() helper Andy Shevchenko
2020-02-14 11:43 ` [PATCH v2 2/8] serial: core: Consolidate spin lock initialization code Andy Shevchenko
2020-02-14 11:43 ` [PATCH v2 3/8] serial: core: use octal permissions on module param Andy Shevchenko
2020-02-14 16:27 ` Greg Kroah-Hartman
2020-02-17 9:15 ` Andy Shevchenko
2020-02-14 11:43 ` [PATCH v2 4/8] serial: core: Allow detach and attach serial device for console Andy Shevchenko
2020-02-14 16:28 ` Greg Kroah-Hartman
2020-02-17 10:23 ` Andy Shevchenko
2020-02-14 11:43 ` [PATCH v2 5/8] serial: 8250_port: Don't use power management for kernel console Andy Shevchenko
2020-02-14 13:39 ` Russell King - ARM Linux admin
2020-02-14 17:13 ` Tony Lindgren
2020-02-14 18:09 ` Andy Shevchenko
2020-02-14 18:42 ` Tony Lindgren
2020-02-14 19:06 ` Tony Lindgren
2020-02-14 18:14 ` Tony Lindgren
2020-02-14 18:56 ` Andy Shevchenko
2020-02-14 19:02 ` Tony Lindgren
2020-02-14 11:43 ` [PATCH v2 6/8] serial: 8250_port: Disable DMA operations " Andy Shevchenko
2020-02-14 16:30 ` Greg Kroah-Hartman
2020-02-17 9:18 ` Andy Shevchenko
2020-02-14 11:43 ` [PATCH v2 7/8] serial: 8250_mtk: Remove duplicating code to disable DMA Andy Shevchenko
2020-02-14 11:43 ` [PATCH v2 8/8] serial: 8250_omap: " Andy Shevchenko
2020-02-14 16:33 ` [PATCH v2 0/8] serial: Disable DMA and PM on kernel console Greg Kroah-Hartman
2020-02-14 21:41 ` Tony Lindgren
2020-02-17 10:05 ` Andy Shevchenko [this message]
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