Re: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET

2013-12-17 Thread Scott Wood
On Tue, 2013-07-09 at 16:03 +0800, Tiejun Chen wrote: > 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. What if MEMORY_START - PHYSICAL_START >= 1 GiB? What about the comment that says we

Re: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET

2013-12-17 Thread Scott Wood
On Tue, 2013-07-09 at 16:03 +0800, Tiejun Chen wrote: 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. What if MEMORY_START - PHYSICAL_START = 1 GiB? What about the comment that says we

Re: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET

2013-07-09 Thread tiejun.chen
-...@lists.ozlabs.org; linux-kernel@vger.kernel.org Subject: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET 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

RE: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET

2013-07-09 Thread Bhushan Bharat-R65777
ernel@vger.kernel.org > Subject: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET > > 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: Tiej

[v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET

2013-07-09 Thread Tiejun Chen
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

RE: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET

2013-07-09 Thread Bhushan Bharat-R65777
: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET 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.c...@windriver.com --- arch/powerpc

Re: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET

2013-07-09 Thread tiejun.chen
-...@lists.ozlabs.org; linux-kernel@vger.kernel.org Subject: [v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET 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.c

[v3][PATCH 7/8] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET

2013-07-09 Thread Tiejun Chen
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.c...@windriver.com --- arch/powerpc/include/asm/page.h |2 ++ 1 file changed, 2 insertions(+) diff --git