> -----Original Message----- > From: Tabi Timur-B04825 > Sent: Friday, February 24, 2012 10:46 AM > To: Li Yang-R58472 > Cc: Huang Changming-R66093; ga...@kernel.crashing.org; > b...@kernel.crashing.org; Wood Scott-B07421; linuxppc-...@ozlabs.org > Subject: Re: [PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be > selectable > > Li Yang-R58472 wrote: > > > I agree with Changming that we shouldn't setting PHYS_64BIT by default. > > The default kernel should always be the compatible with as much as > possible. Disabling PHYS_64BIT by default means that the default kernel > will not work with a 36-bit DTS. If you attempt to boot such a kernel > with a 36-bit DTS, there will be no text output. Most people will not > know why it's not working. > > So the safest option is for PHYS_64BIT to be enabled by default. That > way, the kernel will always work.
Even though the user still need to know the addressing mode that u-boot is using. It won't work if the addressing mode of u-boot and device tree are different. - Leo _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev