[PATCH 16/20] powerpc: Add PACA fields specific to 64-bit Book3E processors

This adds various fields in the PACA that are for use specifically by Book3E processors, such as exception save areas, current pgd pointer, special exceptions kernel stacks etc... Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/paca.h | 23 --- arch/po

[PATCH 16/20] powerpc: Add PACA fields specific to 64-bit Book3E processors

This adds various fields in the PACA that are for use specifically by Book3E processors, such as exception save areas, current pgd pointer, special exceptions kernel stacks etc... Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/paca.h | 23 --- arch/po