About LPAE supporting on EXYNOS5440

Arnd Bergmann arnd at arndb.de
Tue Jun 11 05:53:36 EDT 2013


On Tuesday 11 June 2013 17:33:33 Kukjin Kim wrote:
> Hi all,
> 
> The exynos5440 can support LPAE and referece boards, SSDK5440 and SD5v1 have
> over 8GiB memory.
> 
> Current exynos_defconfig selects every EXYNOS SoCs including exynos5440 it
> means supporting LPAE will be selected for other EXYNOS SoCs.
> 
> I'm wondering if seleting LPAE causes some problem for multiplatform. Can we
> support LPAE enabled and disabled platform together with single zImage?

No, that isn't possible. I think we should enable all exynos support in the
regular multi_v7_defconfig and leave LPAE turned off for that, but create
another multi_lpae_defconfig that has all LPAE capable machines turned on.
This is also what I expect the distros to do.

	Arnd



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