Re: [PATCH v2 0/8] serial: Disable DMA and PM on kernel console

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On Fri, Feb 14, 2020 at 01:41:28PM -0800, Tony Lindgren wrote:
> * Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> [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





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