Messages in this thread |  | | Date | Tue, 2 Jun 2015 23:07:39 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH v5 2/2] arch/x86: remove pci uart early console from early_prink.c |
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On Tue, 2 Jun 2015, Bin Gao wrote: > On Tue, Jun 02, 2015 at 01:54:33PM +0200, Ingo Molnar wrote: > > > > * Bin Gao <bin.gao@linux.intel.com> wrote: > > > > > The arch independent uart8250 early console driver has good support for memory > > > mapped and io port based 8250 uarts. Since pci is arch independent so it's > > > natural to extend uart8250 to support mem, io and pci. Hence pci uart early > > > console in arch/x86/kernel_printk.c by the following commit: 'commit > > > 5140fda16051 ("Specify PCI based UART for earlyprintk")' is removed. And its > > > equivalent function will be available from uart8250 early console driver. > > > > In what way have you tested this change, does serial-earlyprintk still work on x86 > > after the change? > > > > Thanks, > > > > Ingo > > Yes, this patch was tested with earlyprintk=serial,0x3f8 on my x86 box and > the early console worked fine.
What about the memory mapped uarts which have been source of trouble in the past?
Thanks,
tglx
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