From patchwork Thu Nov 15 09:39:56 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [6/6] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET Date: Wed, 14 Nov 2012 23:39:56 -0000 From: Tiejun Chen X-Patchwork-Id: 199243 Message-Id: <1352972396-13489-7-git-send-email-tiejun.chen@windriver.com> To: Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org 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 --- 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 f072e97..2cba08a 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