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    Subject[v2][PATCH 6/7] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET
    Date
    Book3e is always aligned 1GB to create TLB so we should
    use (KERNELBASE - MEMORY_START) as VIRT_PHYS_OFFSET to
    get __pa/__va properly while boot kdump.

    Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
    ---
    arch/powerpc/include/asm/page.h | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
    index 988c812..5b00081 100644
    --- a/arch/powerpc/include/asm/page.h
    +++ b/arch/powerpc/include/asm/page.h
    @@ -112,6 +112,8 @@ extern long long virt_phys_offset;
    /* See Description below for VIRT_PHYS_OFFSET */
    #ifdef CONFIG_RELOCATABLE_PPC32
    #define VIRT_PHYS_OFFSET virt_phys_offset
    +#elif defined(CONFIG_PPC_BOOK3E_64)
    +#define VIRT_PHYS_OFFSET (KERNELBASE - MEMORY_START)
    #else
    #define VIRT_PHYS_OFFSET (KERNELBASE - PHYSICAL_START)
    #endif
    --
    1.7.9.5


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