On 04/03/2015 10:19 PM, Yinghai Lu wrote:
> On Fri, Apr 3, 2015 at 5:04 PM, Peter Hurley <pe...@hurleysoftware.com> wrote:
>> Restore undocumented behavior of kernel command line parameters of
>> the forms:
>>     console=uart[8250],io|mmio|mmio32,<addr>[,options]
>>     console=uart[8250],<addr>[,options]
>> where 'options' have not been specified; in this case, the hardware
>> is assumed to be initialized.
> 
> 
> Please separated bug fix and other documentation change to different patches.

No. The documentation reflects exactly what the bug fix is for.

> also fix the patch title to make it clear and you need to mention which commit
> cause the regression.

Please bisect and send bisect log so I know which commit broke
your setup.

> This patch fix regression for the hand over.  Thanks.
> 
> Another regression.
> when user have
> console=uart8250,io,0x3f8 console=uart8250,io,0x2f8
> 
> before your patchset:
> port_0x3f8 is early console, and will be console later.
> and port_0x2f8 is ignored, because only ONE early console is allowed.
>        and old console setup, only handle ttyS0.
> 
> after your patchset:
> port_0x3f8 is early console, and will be console later.
> port_0x2f8 will become default console, as new console with match method
>    treat all uart8250 as ttyS0.
> 
> Please fix that too.

That's a new feature, not a regression.

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