Messages in this thread Patch in this message | | | From | Tiejun Chen <> | Subject | [v4][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET | Date | Mon, 26 Aug 2013 11:00:57 +0800 |
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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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