Re: [PATCH v5 3/9] x86/head: Move early exception panic code into early_fixup_exception

[Peter Zijlstra]

On Mon, Apr 04, 2016 at 08:32:21AM -0700, Andy Lutomirski wrote:

> Adding locking would be easy enough, wouldn't it?

See patch in this thread..

> But do any platforms really boot a second CPU before switching to real
> printk? 

I _only_ use early_printk() as printk() is a quagmire of fail :-)