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0f890c8d20
The current implementation of CONFIG_RELOCATABLE in BookE is based on mapping the page aligned kernel load address to KERNELBASE. This approach however is not enough for platforms, where the TLB page size is large (e.g, 256M on 44x). So we are renaming the RELOCATABLE used currently in BookE to DYNAMIC_MEMSTART to reflect the actual method. The CONFIG_RELOCATABLE for PPC32(BookE) based on processing of the dynamic relocations will be introduced in the later in the patch series. This change would allow the use of the old method of RELOCATABLE for platforms which can afford to enforce the page alignment (platforms with smaller TLB size). Changes since v3: * Introduced a new config, NONSTATIC_KERNEL, to denote a kernel which is either a RELOCATABLE or DYNAMIC_MEMSTART(Suggested by: Josh Boyer) Suggested-by: Scott Wood <scottwood@freescale.com> Tested-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com> Cc: Scott Wood <scottwood@freescale.com> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: Josh Boyer <jwboyer@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: linux ppc dev <linuxppc-dev@lists.ozlabs.org> Signed-off-by: Josh Boyer <jwboyer@gmail.com> |
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