Re: Multi-platform, and secure-only ARM errata workarounds

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On Tue, Feb 26, 2013 at 10:23:26AM +0000, Arnd Bergmann wrote:
> On Monday 25 February 2013, Stephen Warren wrote:
> > Is there any other alternative I'm not seeing? Having the kernel
> > suddenly become incompatible with any currently extant bootloader when I
> > enable CONFIG_MULTIPLATFORM doesn't seem like a great idea.
> 
> Could we make those errata be run-time enabled only when not booting
> in secure mode?

There is no easy way to detect whether Linux booted in secure mode,
unless we add some information in the DT. But I wouldn't add S vs NS
information, rather which errata need to be enabled by the kernel.

-- 
Catalin
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